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GHSA-2qrg-x229-3v8q

Deserialization of Untrusted Data in Log4j

Source: GitHub Advisory Database (reviewed) Critical CVE-2019-17571

Packages

EcosystemPackageAffectedFixed in
Maven log4j:log4j >= 1.2, <= 1.2.17 no fix listed
Maven org.zenframework.z8.dependencies.commons:log4j-1.2.17 2.0 no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

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 1.2 up to 1.2.17. Users are advised to migrate to `org.apache.logging.log4j:log4j-core`.

References

External links from the advisory. They lead to third-party sites.