Is Log4j 1.2 17 Secure?

Is Log4j 1.2 17 vulnerable or not

Included in Log4j 1.2 is a SocketServer class that is vulnerable to deserialization of untrusted data which can be exploited to remotely execute arbitrary code when combined with a deserialization gadget when listening to untrusted network traffic for log data.

Which version of Log4j is secure

x, the best advice us to use the most recent version. At the time of writing this (2021-03-14), https://logging.apache.org/log4j/2.x/security.html says that log4j 2.3. 2 is safe if you are running the code on a Java 6 JVM. But if you intend to run on a more recent JVM, the latest security patch is advisable.

Is Log4j 1.2 end of life

Apache Log4j 1.2 reached end of life in August 2015. Users should upgrade to Log4j 2 as it addresses numerous other issues from the previous versions. CSM version 6.3.

Does Log4j 1.2 14 have vulnerability

Affected versions of this package are vulnerable to Deserialization of Untrusted Data. JMSSink in all versions of Log4j 1. x is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration or if the configuration references an LDAP service the attacker has access to.

What is the version Log4j 1.2 17

Apache Log4j » 1.2. 17

License Apache 2.0
Files pom (21 KB) bundle (478 KB) View All
Repositories CentralApache PublicApache ReleasesApache StagingBeDataDrivenHortonworksMulesoftOrekitRedhat GASonatypeSpring Plugins
Ranking #16 in MvnRepository (See Top Artifacts) #3 in Logging Frameworks
Used By 18,289 artifacts

What is the replacement for Log4j 1.2 17

Initiated by Ceki Gülcü, the original author of Apache log4j 1. x, the reload4j project is a fork of Apache log4j version 1.2. 17 with the goal of fixing pressing security issues. Reload4j is a binary compatible, drop-in replacement for log4j version 1.2.

What is the vulnerability of Log4j 1.2 12

Affected versions of this package are vulnerable to Man-in-the-Middle (MitM). Improper validation of certificate with host mismatch in Apache Log4j SMTP appender. This could allow an SMTPS connection to be intercepted by a man-in-the-middle attack which could leak any log messages sent through that appender.

Is Log4j version 1 safe

Applications using Log4j 1. x are only vulnerable to this attack when they use JNDI in their configuration. A separate CVE (CVE-2021-4104) has been filed for this vulnerability. To mitigate: Audit your logging configuration to ensure it has no JMSAppender configured.

What is the release date of Log4j 1.2 17

Release History

Version Date Description
1.2.17 2012-05-06 Maintenance release
1.2.16 2010-04-06 Maintenance release
1.2.15 2007-08-24 SyslogAppender enhancements, NTEventLogAppender and Maven build.
1.2.14 2006-09-18 AsyncAppender rewrite, Syslog and SMTPAppender enhancements.

Is Log4j 2.17 0 vulnerable

3 or 2.17. 0: from these versions onwards, only the JAVA protocol is supported in JNDI connections. Note that only the log4j-core JAR file is impacted by this vulnerability. Applications using only the log4j-api JAR file without the log4j-core JAR file are not impacted by this vulnerability.

What replaces Log4j 1.2 17 jar

By drop-in, we mean that you can replace log4j. jar with reload4j. jar in your build with no source code changes, no recompilation, nor rebuild being necessary. The reload4j project offers a clear and easy migration path for the thousands of users who have an urgent need to fix vulnerabilities in log4j 1.2.

When was Log4j 1.2 17 released

Release History

Version Date Description
1.2.17 2012-05-06 Maintenance release
1.2.16 2010-04-06 Maintenance release
1.2.15 2007-08-24 SyslogAppender enhancements, NTEventLogAppender and Maven build.
1.2.14 2006-09-18 AsyncAppender rewrite, Syslog and SMTPAppender enhancements.

What is the release date of log4j 1.2 17

Release History

Version Date Description
1.2.17 2012-05-06 Maintenance release
1.2.16 2010-04-06 Maintenance release
1.2.15 2007-08-24 SyslogAppender enhancements, NTEventLogAppender and Maven build.
1.2.14 2006-09-18 AsyncAppender rewrite, Syslog and SMTPAppender enhancements.

What versions of log4j are supported

Apache Log4j

Release Released Supported
2 9 years ago (12 Jul 2014) Yes
2.12 4 years ago (26 Jun 2019) Ended 1 year and 7 months ago (14 Dec 2021)
2.3 8 years ago (10 May 2015) Ended 7 years and 10 months ago (20 Sep 2015)
1 22 years ago (08 Jan 2001) Ended 7 years ago (15 Oct 2015)

14 thg 6, 2023

Is 1.18 1 safe from Log4j

Is My Server Safe All servers running 1.18. 1 and above are completely safe.

Is Log4j 1 still supported

Log4j 1. x has reached End of Life in 2015 and is no longer supported.

Is Log4j 2.16 0 vulnerable

Vulnerability Details

DESCRIPTION: Apache Log4j is vulnerable to a denial of service, caused by the failure to protect from uncontrolled recursion from self-referential lookups.

What version of Log4j is not vulnerable

Log4j 1.

Log4j 1.

x does not have Lookups so the risk is lower. Applications using Log4j 1. x are only vulnerable to this attack when they use JNDI in their configuration. A separate CVE (CVE-2021-4104) has been filed for this vulnerability.

What versions of Log4j 1 are vulnerable

Included in Log4j 1.2 is a SocketServer class that is vulnerable to deserialization of untrusted data which can be exploited to remotely execute arbitrary code when combined with a deserialization gadget when listening to untrusted network traffic for log data. This affects Log4j versions up to 1.2 up to 1.2. 17.

What is the version log4j 1.2 17

Apache Log4j » 1.2. 17

License Apache 2.0
Files pom (21 KB) bundle (478 KB) View All
Repositories CentralApache PublicApache ReleasesApache StagingBeDataDrivenHortonworksMulesoftOrekitRedhat GASonatypeSpring Plugins
Ranking #16 in MvnRepository (See Top Artifacts) #3 in Logging Frameworks
Used By 18,289 artifacts

Is log4j 1.2 8 jar vulnerable

Details of CVE-2021-4104

JMSAppender, in log4j 1.2 version, is vulnerable to deserialization of untrusted data if the attacker has the 'write' permissions to the log4j configuration.

Is Log4j 2.16 safe

Log4j 2.16 and earlier does not always protect from infinite recursion in lookup evaluation, which can lead to DoS attacks. This is considered a High (7.5) vulnerability on the CVSS scale.

Is Log4j 1 version vulnerable

x. JMSSink in Log4j 1. x is vulnerable to deserialization of untrusted data. This flaw allows a remote attacker to execute code on the server if the deployed application is configured to use JMSSink and to the attacker's JNDI LDAP endpoint.

What are the differences between Log4j 1 and 2

Community support: Log4j 1. x is not actively maintained, whereas Log4j 2 has an active community where questions are answered, features are added and bugs are fixed. Automatically reload its configuration upon modification without losing log events while reconfiguring.

What is the vulnerability of log4j 1.2 8

Affected versions of this package are vulnerable to Man-in-the-Middle (MitM). Improper validation of certificate with host mismatch in Apache Log4j SMTP appender. This could allow an SMTPS connection to be intercepted by a man-in-the-middle attack which could leak any log messages sent through that appender.