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Directory Traversal The advisory has been revoked - it doesn't affect any version of package commons-io  (opens in a new tab)

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EPSS
10.55% (96th percentile)

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  • Snyk IDSNYK-UBUNTU1604-COMMONSIO-1245164
  • published13 Apr 2021
  • disclosed13 Apr 2021
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Introduced: 13 Apr 2021

CVE-2021-29425  (opens in a new tab)
CWE-22  (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:16.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream commons-io package and not the commons-io package as distributed by Ubuntu.

In Apache Commons IO before 2.7, When invoking the method FileNameUtils.normalize with an improper input string, like "//../foo", or "\..\foo", the result would be the same value, thus possibly providing access to files in the parent directory, but not further above (thus "limited" path traversal), if the calling code would use the result to construct a path value.

References