module

UnRAR Path Traversal (CVE-2022-30333)

Disclosed
2022-06-28

Description

This module creates a RAR file that exploits CVE-2022-30333, which is a
path-traversal vulnerability in unRAR that can extract an arbitrary file
to an arbitrary location on a Linux system. UnRAR fixed this
vulnerability in version 6.12 (open source version 6.1.7).

The core issue is that when a symbolic link is unRAR'ed, Windows
symbolic links are not properly validated on Linux systems and can
therefore write a symbolic link that points anywhere on the filesystem.
If a second file in the archive has the same name, it will be written
to the symbolic link path.
Title
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