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Advisories

Dulwich 0.22.5 before 1.2.8 Path Traversal via Stash Pop Symlinks

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Severity
high
Date
Affecting

  • dulwich >= 0.22.5, < 1.2.8

CWE
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSS
7.3
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
manus-use, jelmer
Description
Dulwich from 0.22.5 before 1.2.8 contains a path traversal vulnerability in stash.py pop() that allows attackers to write arbitrary files outside the worktree through intermediate directory symlinks. Attackers can craft a malicious repository whose popped stash writes a payload into .git/hooks/post-checkout, achieving code execution on the next checkout.

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