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Link Following Affecting mercurial package, versions <3.1.2-2+deb8u7

0.0
medium

Snyk CVSS

    Attack Complexity High
    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-DEBIAN8-MERCURIAL-344204
  • published 20 Apr 2019
  • disclosed 22 Apr 2019
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Introduced: 20 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 Debian:8 mercurial to version 3.1.2-2+deb8u7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mercurial package and not the mercurial package as distributed by Debian. See How to fix? for Debian:8 relevant fixed versions and status.

A flaw was found in Mercurial before 4.9. It was possible to use symlinks and subrepositories to defeat Mercurial's path-checking logic and write files outside a repository.