CVE-2019-0191: Path Traversal

March 21, 2019 (updated May 6, 2019)

Apache Karaf kar deployer reads .kar archives and extracts the paths from the repository/ and resources/ entries in the zip file. It then writes out the content of these paths to the Karaf repo and resources directories. However, it does not do any validation on the paths in the zip file. This means that a malicious user could craft a .kar file with .. directory names and break out of the directories to write arbitrary content to the filesystem.

References

www.securityfocus.com/bid/107462
nvd.nist.gov/vuln/detail/CVE-2019-0191

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