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Arbitrary File Overwrite Affecting mercurial package, versions [,4.9)

0.0
high

Snyk CVSS

    Attack Complexity Low
    Integrity High

    Threat Intelligence

    EPSS 0.23% (61st percentile)
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NVD
5.9 medium
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Red Hat
5.1 medium
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SUSE
5 medium

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  • Snyk ID SNYK-PYTHON-MERCURIAL-174511
  • published 24 Apr 2019
  • disclosed 22 Apr 2019
  • credit Unknown
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Introduced: 22 Apr 2019

CVE-2019-3902 Open this link in a new tab
CWE-59 Open this link in a new tab

How to fix?

Upgrade mercurial to version 4.9 or higher.

Overview

mercurial is a distributed SCM tool written in Python.

Affected versions of this package are vulnerable to Arbitrary File Overwrite. It is possible to use symlinks and subrepositories to defeat Mercurial's path-checking logic and write files outside of a repository.