Apache Software Foundation Apache Log4J 1.X vulnerabilities

CVE-2022-23305 [CRITICAL] CWE-89 CVE-2022-23305: By design, the JDBCAppender in Log4j 1.2.x accepts an SQL statement as a configuration parameter whe By design, the JDBCAppender in Log4j 1.2.x accepts an SQL statement as a configuration parameter where the values to be inserted are converters from PatternLayout. The message converter, %m, is likely to always be included. This allows attackers to manipulate the SQL by entering crafted strings into input fields or headers of an application that ar

CVE-2022-23307 [CRITICAL] CWE-502 A deserialization flaw in the Chainsaw component of Log4j 1 can lead to malicious code execution. A deserialization flaw in the Chainsaw component of Log4j 1 can lead to malicious code execution. CVE-2020-9493 identified a deserialization issue that was present in Apache Chainsaw. Prior to Chainsaw V2.0 Chainsaw was a component of Apache Log4j 1.2.x where the same issue exists.

CVE-2022-23302 [HIGH] CWE-502 Deserialization of untrusted data in JMSSink in Apache Log4j 1.x Deserialization of untrusted data in JMSSink in Apache Log4j 1.x 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. The attacker can provide a TopicConnectionFactoryBindingName configuration causing JMSSink to perform JNDI req

CVE-2021-4104 [HIGH] CWE-502 CVE-2021-4104: JMSAppender in Log4j 1.2 is vulnerable to deserialization of untrusted data when the attacker has wr JMSAppender in Log4j 1.2 is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration. The attacker can provide TopicBindingName and TopicConnectionFactoryBindingName configurations causing JMSAppender to perform JNDI requests that result in remote code execution in a similar fashion to CVE-2021-44228.

CVE-2020-9493 [CRITICAL] CWE-502 CVE-2020-9493: A deserialization flaw was found in Apache Chainsaw versions prior to 2.1.0 which could lead to mali A deserialization flaw was found in Apache Chainsaw versions prior to 2.1.0 which could lead to malicious code execution.