CVE-2018-11762: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

October 17, 2018 (updated September 21, 2021)

In Apache Tika 0.9 to 1.18, in a rare edge case where a user does not specify an extract directory on the commandline (–extract-dir=) and the input file has an embedded file with an absolute path, such as “C:/evil.bat”, tika-app would overwrite that file.

References

www.securityfocus.com/bid/105515
github.com/advisories/GHSA-w6g3-v46q-5p28
lists.apache.org/thread.html/ab2e1af38975f5fc462ba89b517971ef892ec3d06bee12ea2258895b@%3Cdev.tika.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2018-11762

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