What versions of Apache are vulnerable to Log4j
Technical Details. The CVE-2021-44228 RCE vulnerability—affecting Apache's Log4j library, versions 2.0-beta9 to 2.14. 1—exists in the action the Java Naming and Directory Interface (JNDI) takes to resolve variables.
What versions of Log4j are impacted
What happened to log4j recently
| Name | Vulnerability type | Affected log4j versions |
|---|---|---|
| CVE-2021-44228 | RCE | 2.0 through 2.14.1 |
| CVE-2021-45046 | Denial of Service (DoS) and RCE | 2.0 through 2.15.0 |
| CVE-2021-4104 | RCE | 1.2* |
| CVE-2021-45105 | Denial of Service (DoS) | 2.0-beta9 to 2.16.0 |
What Apache software uses Log4j
Apache Solr
Apache Solr.
Log4j is in Apache Solr by default, putting users of the search technology at potential risk until they update for the latest patched version.
Is Apache 2.4 6 vulnerable to Log4j
Apache Httpd Server or Web Server is not affected by log4j vulnerability. Here is a list of Apache Projects that were affected by the log4j vulnerability. This entry is where we will collect links to statements provided by ASF projects on if they are affected by CVE-2021-44228, the security issue in Log4j2.
Is Apache 2.4 41 vulnerable to Log4j
Apache's HTTPd (web server) isn't vulnerable – it's not written in Java, and thus it can't use Log4j. However, Log4j is incredibly popular with Java applications. Every grown-up application needs formalized logging, and Log4j provides it very well.
Is Apache Log4j 1.2 17 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.
Is log4j 2.16 still vulnerable
December 20, 2021
Log4j 2.17 has been released to address a Denial of Service (DoS) vulnerability found in v2. 16 and earlier. 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 2.17 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.
Do all Apache servers use Log4j
Apache Foundation, not Apache web server
Apache's HTTPd (web server) isn't vulnerable – it's not written in Java, and thus it can't use Log4j. However, Log4j is incredibly popular with Java applications.
How to find Apache Log4j version
Check the log4j jar file: You can also check the version of log4j by looking at the log4j jar file that is included in your application's classpath. The version information should be included in the file name, such as log4j-1.2. 17. jar, indicating that you are using Log4j version 1.2.
Is Log4j 2.16 still vulnerable
December 20, 2021
Log4j 2.17 has been released to address a Denial of Service (DoS) vulnerability found in v2. 16 and earlier. 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 2.17 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.
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.
Is Log4j 2.17 1 safe
1 can probably wait. A number of security professionals say that the latest vulnerability in Apache Log4j, disclosed on Tuesday, does not pose an increased security risk for the majority of organizations. As a result, for many organizations that have already patched to version 2.17.
Is Log4j 2.7 vulnerable
log4j:log4j-core is a logging library for Java. Affected versions of this package are vulnerable to Remote Code Execution (RCE). Apache Log4j2 JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints.
How to check if Apache has log4j
Try this Commands:dpkg -l | grep liblog4j.dpkg -l | grep log4.find / -name log4j-core-*. jar.locate log4j | grep -v log4js.
How to find Apache log4j version
Check the log4j jar file: You can also check the version of log4j by looking at the log4j jar file that is included in your application's classpath. The version information should be included in the file name, such as log4j-1.2. 17. jar, indicating that you are using Log4j version 1.2.
What version of java has log4j
Log4j (2.4 – 2.12. 2) require Java 7 or above. Log4j 2.12. 2 was released as an emergency release (to fix CVE-2021-45046 and CVE-2021-44228) and is the last 2.
How do I know if I am vulnerable to log4j
We also use a log inspection rule to detect the vulnerability. The log inspection rule 1011241 – Apache Log4j Remote Code Execution Vulnerability (CVE-2021-44228) looks for JNDI payloads in the access logs, with the default path being /var/log/*/access. log.
Is Apache Log4j version 1 vulnerable
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.
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.
How do I know if I have Log4j vulnerability
We also use a log inspection rule to detect the vulnerability. The log inspection rule 1011241 – Apache Log4j Remote Code Execution Vulnerability (CVE-2021-44228) looks for JNDI payloads in the access logs, with the default path being /var/log/*/access.
Is Java 11 vulnerable to log4j
“We believe it's likely only a matter of time before all Java versions, even current Java 11 versions, are impacted when running a vulnerable version of log4j,” researchers from LunaSec said in a mitigation guide.
Is log4j in Java 8
0 Log4j 2 requires Java 8 or greater at runtime. This release contains new features and fixes which are explained further in release notes. Log4j 2.20. 0 maintains binary compatibility with previous releases.
How do I know which version of Log4j is being used
Check the log4j library version in your project's dependencies: If you are using a build tool such as Maven or Gradle, you can check the version of the log4j library in your project's dependencies. The version should be specified in the build file (pom. xml for Maven and build. gradle for Gradle) for the project.
