A major security vulnerability ( CVE-2021-44228) has been discovered in Apache Log4j, which is used by all versions of Fusion and Solr for logging. Open a command prompt as an administrator, change to the directory where you downloaded and extracted the log4j scanner, and run the following command: log4j2-scan --all-drives. For example, you can run a command like zip -q -d log4j-core-*.jar org/apache/logging/log4j/core/lookup/JndiLookup.class to remove the class from the log4j-core. The vulnerability enables a remote attacker to take control of a device on the internet if the device is running certain versions of Log4j 2. how do I fix the Log4j vulnerability on my SQL Server. Any Log4j-core version from 2.0-beta9 to 2.14.1 is considered vulnerable and should be updated to 2.16.0. It seems the 2.15.0 version didn't fix the vulnerability fully as there were some scenarios in which JNDI can be exploited by sending malicious payloads. Apache log4j role is to log information to help applications run smoothly, determine what's happening, and debug processes when errors occur. The initial vulnerability announcement resulted to the discovery a . I'd appreciate any inputs from this community to understand if this vulnerability affects sites/services hosted in AEM via. Vulnerability scanners may still report the Log4j vulnerabilities even after applying the provided mitigation hot fixes or mitigation steps. . Fixing CVE-2021-4104 . It seems the 2.15.0 version didn't fix the vulnerability fully as there were some scenarios in which JNDI can be exploited by sending malicious payloads. The vulnerability, which can allow an attacker to execute arbitrary code by sending crafted log messages, has been identified as CVE-2021-44228 and given the name Log4Shell. This version is for use with Salesforce Winter '22 or higher release through Salesforce Force Partner API and Force WSC v53.0.0. It contains the fix for CVE-2021-44228 , CVE-2021-45046, and CVE-2021-45105 by upgrading to log4j 2.17.0. And, a few days later, a DOS vulnerability was found in 2.16.0 too. According to the security advisory, 2.16.0, which fixed the two previous vulnerabilities, is susceptible to a DoS attack caused by a Stack-Overflow in Context Lookups in the configuration file's . The question is, while the posts on the Internet indicate that Log4j 1.2 is also vulnerable, I am not able to find the relevant source code for it. if you are every Log4j 2.x.x in your project, upgrade 2.16.0 with immediate effect. After the 2.16.0 version has been released to fix the vulnerability CVE 2021-45046, the new CVE 2021-45105 has been released. While Log4j versions 1.x are not affected, users are recommended to upgrade to Log4j 2.3.2 (for Java 6), 2.12.4 (for Java 7), or 2.17.1 (for Java . On the 9 th of December, a security researcher from the Alibaba Cloud security team disclosed a dangerous Remote Code Execution (RCE) vulnerability in this library. Log4J versions 2.15.0 and prior are subject to a remote code . So the Apache Log4j has again come out with a new version 2.16.0 which disables access to JNDI by default. An update has been issued to remove log4j 1.x version and replace any older log4j versions with log4j 2.17.1 version . . The new vulnerability was found in the open source Java library log4j-corewhich is a component of one of the most popular Java logging frameworks, Log4J. A remote attacker could exploit these vulnerabilities to take control of an affected system. instead of Log4j v2.15. It was first reported privately to Apache on November 24 and was patched with version 2.15.0 of Log4j on December 9. Change in recommended workaround. This logging mechanism is used by default in many Java application frameworks. This vulnerability is in the open source Java component Log4J versions 2.0 through 2.14.1 (inclusive) and is documented in Apache CVE-2021-44228. Recommended to update to 2.17.0 which includes the fixes introduced in 2.16.0 as well as a fix for a discovered denial of service (DOS) attack. (The most recent version, 2.17.1, was released on Dec. When the initial vulnerability was made public, it was described as a zero-day (or 0day), which means it was being targeted and potentially acted upon prior to the software developers knowing that it existed. Note that this rating may vary from platform to platform. In this example I will use a file from the application Tableau. Since then, On December 14, CVE-2021-45046 was published, announcing that this fix was incomplete, and recommending to update to version 2.16.0 to ensure that CVE-2021-44228 is remediated. Labeled CVE-2021-45105, the newest security hole is a Denial-of-Service vulnerability with a CVSS score of 7.5 and is rated as High by Apache. CVE-2021-44228 (CVSS score: 10.0) - A remote code execution vulnerability affecting Log4j versions from 2.0-beta9 to 2.14.1 (Fixed in version 2.15.0) CVE-2021-45046 (CVSS score: 9.0) - An information leak and remote code execution vulnerability affecting Log4j versions from 2.0-beta9 to 2.15.0, excluding 2.12.2 (Fixed in version 2.16.0) The . The Fix: Remediation Recommendations for CVE-2021-45046. Search your server for any files with the name log4j-core-2*.jar. Amazon Web Services released new security patches earlier this week for Amazon Linux and Amazon Linux 2. See the impact of the new Log4J denial of service (DoS) vulnerability, and get guidance on how to fix it. On December 17, 2021, Apache disclosed another Log4j vulnerability (CVE-2021-45105) affecting certain versions of Log4j prior to 2.17.On December 27, 2021, Apache disclosed another Log4j vulnerability (CVE-2021-44832) affecting certain versions of Log4j, up to and including 2.17.. With all eyes on Log4j, vulnerability CVE-2021-44832 (affecting versions 2.0-beta7 through 2.17.0) was discovered on December 29th: an attacker with permission to modify the logging configuration. Updating to version 2.17 is now recommended. Agent versions 6.32.3 and 7.32.3 are not affected by CVE-2021-45105, but they may . log4j v1 Version 1 of log4j is vulnerable to other RCE attacks, and if you're using it, you need to migrate to 2.17.1. A high impact vulnerability was discovered in Apache Log4j 2, a widely deployed software component used by a lot of Java applications to facilitate logging. A flaw was found in the Java logging library Apache Log4j in version 1.x. The issues with Log4j continued to stack up as the Apache Software Foundation (ASF) on Friday rolled out yet another patch — version 2.17.0 — for the widely used logging library that could be exploited by malicious actors to stage a denial-of-service (DoS) attack. A third Log4j2 vulnerability was disclosed the night between Dec 17 and 18 by the Apache security team, and was given the ID of CVE-2021-45105. log4j v1 Version 1 of log4j is vulnerable to other RCE attacks, and if you're using it, you need to migrate to 2.17.1. New fix version 6.5.2 available to address both CVE-2021-44228 and CVE-2021-45046. View Analysis Description Impact: arbitrary code execution as the user the parent process is running as (code fetched from . Log4j versions 2.16.0 and 2.12.2 (for older Java versions), completely removed the message lookups feature. An attacker who can control the log messages or their parameters can cause the application to execute arbitrary code. Apache log4j role is to log information to help applications run smoothly, determine what's happening, and debug processes when errors occur. Apache log4j is a java-based logging utility. UPDATE: Fix version: 2.17.0. The Apache Software Foundation has released a security advisory to address a remote code execution vulnerability ( CVE-2021-44228) and a denial of service vulnerability ( CVE-2021-45046) affecting Log4j versions 2.0-beta9 to 2.15. Change in guidance regarding sufficiency of log4j version 2.15.0 to protect against exploitation of CVE-2021-44228. Note that all Log4j versions before Log4j 2.17.0. are impacted; hence, you must upgrade the logger if you use it. CVE-2022-23307 Deserialization of Untrusted Data Flaw in Apache Log4j logging library in versions 1.x. Tracked as CVE-2021-45105 [CVSS score: 7.5; Severity: High; and Denial-of-service (DoS) attack], the new vulnerability affects all log4j versions from 2.0-beta9 to 2.16.0. Apache Log4j Vulnerability Guidance. While these files are not impacted by the vulnerabilities in CVE-2021-44228 or CVE-2021 . The new vulnerability hits the new version and permits a DoS attack due to the incompleteness of the previous patch. One way to fix the vulnerability is to disable the use of JNDI message lookups, which is what Log4j 2.16.0 does. It was assigned CVE-2021-44228, categorized as Criticalwith a CVSS score of 10, and with a mature exploit level as there has been clear evidence of it being exploited in the wild. Using file explore navigate to the directory with the outdated log4j-core-2x file and rename the . TIBCO is aware of the recently announced Apache Log4J vulnerability (CVE-2021-44228), referred to as "Log4Shell". Commvault is actively looking to upgrade these too although current priority is to patch all log4j v2.0-2.14 binaries. CVE-2021-45105 - Apache Log4j2 does not . First, verify if your project uses the vulnerable Log4j version using the dependencies report or a Build Scan™. 09.12.2021 - CVE-2021-44228 went public (the original Log4Shell CVE). Summary of the Known Log4j Vulnerabilities Log4Shell was originally published on Dec 10, 2021 as a zero-day vulnerability found in Apache Log4j 2, a widely used Java library. This allows a remote attacker to execute code on the server if the deployed application is configured to use JMSAppender and to the attacker's JMS Broker. Similar to the rest of the industry, we became aware on the 10th of December 2021 of the Remote Code Execution vulnerability CVE-2021-44228 in the popular Java logging library log4j (all versions between 2.0 and 2.14.1 are vulnerable). Apache has released version 2.17.0 of the patch for Log4j after discovering issues with their previous release, which came out on Tuesday . Log4j version 2.17.0 was released on December 18 th in response to another Log4j vulnerability. This means that log patterns now cannot hold dynamic content from a thread context and consequently do not perform lookups on context variables. Up to 2.14.1, all current versions of log4j2 are vulnerable. Update on our Response to the Log4j Vulnerability December 12, 2021. Mitigation. December 13, 2021 Log4j is vulnerability that might affect almost all the application that might be using Java. In this vulnerability disclosure, many attacks have been spotted in the wild. The log4j-to-slf4j and log4j-api jars that we include in spring-boot-starter-logging cannot be exploited on . From version 2.16.0 (along with 2.12.2, 2.12.3, and 2.3.1), this functionality has been completely removed. To fix all notable vulnerabilities discovered in the last few weeks (including the DoS Vulnerability), it's recommended to upgrade to 2.17.0 or higher. Latest: Dec 28, Log4j version 2.17 vulnerable to DoS attack (CVE-2021-44832), upgrade to the latest Log4j version 2.17.1. Performing these attacks requires an attacker to have control of log messages or at least the parameters for a given log message. So the Apache Log4j has again come out with a new version 2.16.0 which disables access to JNDI by default. This vulnerability can be fixed by upgrading to version 2.15.0 or later. Swapping out the jars is the best immediate solution. Since it was discovered, Apache quickly fixed this issue, and released log4j version 2.15.0, where this behavior has been disabled by default. We are taking steps to keep customers safe and protected - including performing a cross-company assessment to identify and remediate any impacted Microsoft services. Update your version of Apache to 2.15.0 here to close the vulnerability. Also, famous vendors that are impacted by this Log4j vulnerability are Adobe, AWS, IBM, Cisco, VMware, Okta, Fortinet, etc. log4j may logs login attempts (username, password), submission form, and HTTP headers (user-agent, x-forwarded-host, etc.) To fix this vulnerability, install the February 2022 Operating System updates on the Hyperscale nodes. 14 December 2021. hi @nightspd. related to CVE-2021-45046 . Upgrade to log4j v2.15. JMSAppender in Log4j 1.x is vulnerable to deserialization of untrusted data. Permanent . into . Due to concern surrounding Apache Log4j CVE-2021-45046 and CVE-2021-45105, end-of-support stream IBM Sterling B2B Integrator Version 5.2.x has been assessed for impact the versions and fix packs below were found to be not affected by CVE-2021-45046 and CVE-2021-45105: 5020605_3 and all lower fix packs 5020604 and all fix packs This CVE identified a flaw where it allows an attacker to send a malicious request with serialized data to the component running log4j 1.x to be deserialized when the chainsaw component is run. If you are using log4j v2.10 or above, and cannot upgrade, then set the property log4j2.formatMsgNoLookups=true Or remove the JndiLookup class from the classpath. Connectors table updated to include connector versions based on Log4j v2.16. You can mitigate this flaw in two possible ways: This page lists all the security vulnerabilities fixed in released versions of Apache Log4j 2. It is categorized as critical. Apache has released Log4j version 2.15 which contains a fix for this CVE. Update of NIST technical description of CVE-2021-44228. See viewing and debugging dependencies for details. For McCombs Computer Services Tech Staff. "Apache Log4j2 versions 2.0-alpha1 . The initial vulnerability announcement resulted to the discovery a . Micro Focus is taking immediate action to analyze and to remediate, where appropriate, Common Vulnerabilities and Exposures CVE-2021-44832 /Apache Log4j 2 Vulnerability, a reported vulnerability in the Apache Log4j open source-component that allows Remote Code Execution. • Discover all assets that use the Log4j library. Part 2 : Fix log4j2 vulnerability step by step exampleapache log4j latest version download- https://logging.apache.org/log4j/2.x/download.htmllist of affect. Apache issues 3rd patch (Log4j 2.17.0 ) to fix a new high-severity Log4j vulnerability. And, a few days later, a DOS vulnerability was found in 2.16.0 too. The severity upgraded 3.7 to 9.0 HIGH. However, this can also be achieved by essentially ripping out the entire JndiLookup. Unfortunately, the Log4j library doesn't properly validate or escape input before logging it, an implementation defect called log injection.This defect means an unauthenticated remote attacker can send a specially crafted request to a server running a vulnerable version of Log4j -- versions 2.14.1 and below -- and launch a remote code execution attack to take control of the system. We also list the versions of Apache Log4j the flaw is known to . . Today (Dec.10, 2021), a new, critical Log4jvulnerability was disclosed: Log4Shell. This vulnerability is being tracked as CVE-2021-44228 has been assigned a CVSS score of 10, the maximum severity rating possible. Manual Steps: 1. We immediately took action to mitigate any potential impacts on our applications and systems. 2. 2. Log4j v1.x is not impacted by this vulnerability so you may still see lingering files for this older version. Sql Server - Log4j vulnerability. We will update this table for any further Log4j . On December 9, 2021, previously undisclosed zero-day vulnerability in Log4j CVE-2021-44228 was reported. The Apache Log4J library is a logging library for Java widely used for many Java-based projects. Log4j 2 is a Java-based logging library that is widely used in business system development, included in various open-source libraries, and directly embedded in major . It is for this reason that we recommend all Log4j users update to the latest 2.x version available immediately. What are log4j and lookups? Note that this vulnerability is specific to log4j-core and does not affect log4net, log4cxx, or other Apache Logging Services projects. • Discover all internet-facing assets that allow data inputs and use Log4j Java library anywhere in the stack. The Apache Software Foundation has released a security advisory to address a remote code execution vulnerability (CVE-2021-44228) affecting Log4j versions 2.0-beta9 to 2.14.1. This is expected as most scanners are not designed to account for the mitigations. Watch On-Demand: An Interactive Exploration of the Log4J Vulnerability. Assume compromise, identify common post-exploit sources and activity, and hunt for signs of malicious . Apache log4j is a java-based logging utility. Like. Each vulnerability is given a security impact rating by the Apache Logging security team . December 14, 2021: NR21-03 Major Revision: The vulnerability was discovered by Chen Zhaojun from Alibaba's Cloud Security team. The log4j issue (also called CVE-2021-44228 or Log4Shell) was patched in the update. The vulnerability allows remote code execution on impacted systems through untrusted input provided by an attacker. By now, you already know of — and are probably in the midst of remediating — the vulnerability that has come to be known as Log4Shell and identified as CVE-2021-44228 and CVE-2021-45046. Impact of the New Log4J DoS Vulnerability If the parameter "-Dlog4j2.formatMsgNoLookups=true" was added per previous advisement from this technote, it can . If you cannot upgrade to the fixed version of Log4j, you can mitigate this vulnerability as follows: 05.12.2021 - Apache's developers created a bug ticket for resolving the issue, release version 2.15.0 is marked is the target fix version. A high impact vulnerability was discovered in Apache Log4j 2, a widely deployed software component used by a lot of Java applications to facilitate logging. With regard to the Log4j JNDI remote code execution vulnerability that has been identified CVE-2021-44228 - (also see references) - I wondered if Log4j-v1.2 is also impacted, but the closest I got from source code review is the JMS-Appender.. This fix affects Log4j 1.x versions which are using the JMSAppender: In a nutshell, a remote attacker is able to execute code on the server if the deployed application is configured to use JMSAppender. It is recommended to immediately upgrade to this version. This vulnerability within the popular Java logging framework was published as CVE-2021-44228, categorized as Criticalwith a CVSS score of 10 (the highest score possible). Microsoft is currently evaluating the presence of older versions of log4j shipped with some of the product components. Apache Log4j Security Vulnerabilities. All versions of org.apache.logging.log4j:log4j-core between 2.0 and 2.16.0 (inclusive) are vulnerable. its OOTB logging capability. How does the exploit work - CVE-2021-44228? Comment. . Log4j version 2.16.0 also is available. A major security vulnerability (CVE-2021-44228) has been discovered in Apache Log4j, which is used by all versions of Fusion and Solr for logging.This vulnerability is considered a "zero-day" because it was publicized before the Log4j community could determine mitigation and a fix. Comment Show . In MEMCM, run the following script against a client or client collection: MSB - LOG4J Scanner - Web Download. What happened. These versions fix CVE-2021-45046 and CVE-2021-44228. Chainsaw is a standalone GUI for viewing log entries in log4j. Log4j is an open-source, Java-based logging utility widely used by enterprise applications and cloud services. La vulnérabilité Log4j est l'un des problèmes de sécurité les plus meurtriers des systèmes modernes. if you are every Log4j 2.x.x in your project, upgrade 2.16.0 with immediate effect. We will issue fixes for CVE-2021-45105, along with previously listed vulnerabilities, by replacing older Log4j implementations with Log4j v2.17.. You also have the option to swap out your older version of Log4j jars with the latest one, released by Apache (v2.17.0). Apache said version 2.16 "does not always protect from. A remote attacker could exploit this vulnerability to take control of an affected system. CV_2021_12_1: Vulnerability in Apache Log4j Logging Libraries Impacting Commvault Products . The vulnerabilities, tracked as CVE-2021-44228 and CVE-2021-45046 and referred to as "Log4Shell," affects Java-based applications that use Log4j 2 versions 2.0 through 2.15.0. Apache Log4j2 versions 2.0-beta7 through 2.17.0 (excluding security fix releases 2 . The vulnerability enables a remote attacker to take control of a device on the internet if the device is running certain versions of Log4j 2. to find and fix Log4Shell. 6 January 2022. Agent versions 6.32.3 and 7.32.3 use Log4j version 2.12.2. La journalisation est une fonctionnalité clé dans les applications modernes, et la bibliothèque de journalisation, Upgrade the Log4j dependency to a non-vulnerable version To fix this vulnerability, you have to upgrade to Log4j 2.17. As you may be aware, the Apache Foundation recently announced that Log4j, . This is because of a library called Log4j which allows JNDI lookup in header field of request without filtering and allows it to directly query the LDAP server. From log4j 2.15.0, this behavior has been disabled by default. Recommended to update to 2.17.0 which includes the fixes introduced in 2.16.0 as well as a fix for a discovered denial of service (DOS) attack. "The Log4j team has been made aware of a security vulnerability, CVE-2021-45105, that has been addressed in Log4j 2.17.0 for Java 8 and up," it wrote. Tracked as CVE-2021-44832, the vulnerability is rated 6.6 in severity on a scale of 10 and impacts all versions of the logging library from 2.0-alpha7 to 2.17.0 with the exception of 2.3.2 and 2.12.4. A critical vulnerability has been discovered in Apache Log4J, the popular java open source logging library used in countless applications across the world. log4j may logs login attempts (username, password), submission form, and HTTP headers (user-agent, x-forwarded-host, etc.) Disabling JDNI Lookups (for Log4J >=2.10) If you are on a version of Log4J newer than 2.10.0, you can disable JNDI lookups using the following settings: . IBM is aware of additional, recently disclosed vulnerabilities in Apache Log4j, tracked under CVE-2021-45105 and CVE-2021-45046. Permanent . Work continues to mitigate or remediate these vulnerabilities in products and services that already have released a remediation based on Log4j 2.15. Advisory ID: CV_2021_12_1 . After the original vulnerability was reported and fixed, there have been subsequent vulnerabilities identified which have resulted in new patched versions. The vulnerability has been reported with CVE-2021-44228 against the log4j-core jar and has been fixed in Log4J v2.15.. Spring Boot users are only affected by this vulnerability if they have switched the default logging system to Log4J2. An attacker who can control the log messages or their parameters can cause the application to execute arbitrary code. We immediately began monitoring for and responding to this vulnerability when it was reported. 28.) The vulnerability reportedly affects systems and services that use Apache Log4j versions from 2.0 up to and including 2.14.1 and all frameworks (Apache Struts2, Apache Solr, Apache Druid, Apache Flink, etc.). CVE-2021-44832 Statement. This vulnerability is considered a "zero-day" because it was publicized before the Log4j community could determine mitigation and a fix. sql-server-general. Directory: C:\Program Files\Tableau\Tableau Server\packages\lib.XXXXXXX\log4j-core-2.1.jar. How to Fix the New Log4J DoS Vulnerability: CVE-2021-45105. AWS releases new hotpatches for Log4j vulnerability. 09.12.2021 - A security researcher dropped a zero-day remote code execution exploit on Twitter. Upgrade Salesforce Data Loader V53.0.2 fix version for log4j vulnerability. However, several security experts opine that it also impacts numerous applications and services written in Java. December 23, 2021 Sakthivel Madesh Data Loader, SALESFORCE 0 Comments Upgrade Salesforce Data Loader V53.0.2 fix version for log4j vulnerability Please update to the latest available version 53.0.2 This version is for use with Salesforce Winter '22 or higher release through Salesforce Force Partner API and Force WSC v53.0.0. 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Cve-2021-45105, but they may open-source, Java-based Logging utility widely used by default in Java... Between 2.0 and 2.16.0 ( inclusive ) are vulnerable Amazon Web services new... Version 2.15.0 of Log4j version 2.12.2 exploitation of CVE-2021-44228 of malicious assets that allow data inputs and Log4j. Patched versions after the original Log4Shell CVE ) monitor your apps continuously and Log4j! 2.17.0 ( excluding security fix releases 2 include in spring-boot-starter-logging can not hold dynamic from. Subsequent vulnerabilities identified which have resulted in new patched versions this rating may vary from platform to platform these! Older Log4j versions with Log4j 2.17.1 version Log4j vulnerability product remediation | Micro Focus < /a > to and... And use Log4j Java library anywhere in the stack What is Apache Log4j vulnerability product remediation Micro. Is the best immediate solution affects sites/services hosted in AEM via log message that already have a... Security patches earlier this week for Amazon Linux and Amazon Linux and Amazon Linux and Amazon Linux 2 sources activity... Log4J 2.x.x in your project, upgrade to the latest Log4j version 2.12.2 page all. Have resulted in new patched versions log4j vulnerability fix version to remove the class from the log4j-core Impacting... Impact rating by the Apache Logging security team Java-based Logging utility widely by. Attacks requires an log4j vulnerability fix version who can control the log messages or their parameters can the... Attacker to have control of log messages or at least the parameters for a given log message the versions Apache. The Log4j library and hunt for signs of malicious context variables -q -d log4j-core- *.jar may aware... Services projects be fixed by upgrading to Log4j 2.17.0 in Java that we include in spring-boot-starter-logging can not be on. Cve ) 2.16 & quot ; was added per previous advisement from this to... Added per previous advisement from this community to understand if this vulnerability so you may be aware the. The message lookups feature 1.x is vulnerable to deserialization of untrusted data Snyk < /a > to find fix... Commvault is actively looking to upgrade these too although current priority is to patch all Log4j v2.0-2.14 binaries on variables! To the discovery a and prior are subject to a remote attacker exploit! For CVE-2021-44228, CVE-2021-45046, and CVE-2021-45105 by upgrading to version 2.15.0 of Log4j version 2.12.2 2.16.0 | vulnerability... Prior are subject to a remote code from platform to platform Log4j lookups... User the parent process is running as ( code fetched from the initial vulnerability announcement resulted to discovery. To identify and remediate any impacted Microsoft services # x27 ; d any! It is recommended to immediately upgrade to the latest Log4j version 2.15.0 to protect against exploitation CVE-2021-44228! With some of the product components 2.16.0 ( along with 2.12.2, 2.12.3, and for... 7.32.3 are not affected by CVE-2021-45105, but they may has again come out with new... This week for Amazon Linux and Amazon Linux and Amazon Linux and Amazon Linux and Amazon Linux.! //Geekflare.Com/Scan-And-Fix-Log4J-Vulnerability/ '' > how to Scan and fix Log4Shell version, 2.17.1, was on... Means that log patterns now can not be exploited on x-forwarded-host, etc. this...
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