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Mercurial Directory traversal vulnerability

Moderate severity GitHub Reviewed Published May 1, 2022 to the GitHub Advisory Database • Updated Sep 22, 2023

Package

pip mercurial (pip)

Affected versions

< 1.0.2

Patched versions

1.0.2

Description

Directory traversal vulnerability in patch.py in Mercurial before 1.0.2 allows user-assisted attackers to modify arbitrary files via ".." (dot dot) sequences in a patch file.

References

Published by the National Vulnerability Database Jun 30, 2008
Published to the GitHub Advisory Database May 1, 2022
Last updated Sep 22, 2023
Reviewed Sep 22, 2023

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(68th percentile)

Weaknesses

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Learn more on MITRE.

CVE ID

CVE-2008-2942

GHSA ID

GHSA-v2gw-x5jf-pgwv

Source code

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