Directory Traversal Affecting commons-vfs package, versions *
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- published24 Mar 2025
- disclosed23 Mar 2025
Introduced: 23 Mar 2025
NewCVE-2025-27553 (opens in a new tab)How to fix?
There is no fixed version for Debian:unstable commons-vfs.
NVD Description
Note: Versions mentioned in the description apply only to the upstream commons-vfs package and not the commons-vfs package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
Relative Path Traversal vulnerability in Apache Commons VFS before 2.10.0.
The FileObject API in Commons VFS has a 'resolveFile' method that takes a 'scope' parameter. Specifying 'NameScope.DESCENDENT' promises that "an exception is thrown if the resolved file is not a descendent of the base file". However, when the path contains encoded ".." characters (for example, "%2E%2E/bar.txt"), it might return file objects that are not a descendent of the base file, without throwing an exception. This issue affects Apache Commons VFS: before 2.10.0.
Users are recommended to upgrade to version 2.10.0, which fixes the issue.