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Improper Input Validation Affecting mercurial package, versions [,4.3)

0.0
high

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.39% (73rd percentile)
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NVD
9.8 critical
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Red Hat
6.3 medium

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  • Snyk ID SNYK-PYTHON-MERCURIAL-1570174
  • published 27 Aug 2021
  • disclosed 5 Oct 2017
  • credit Unknown
Report a new vulnerability Found a mistake?

Introduced: 5 Oct 2017

CVE-2017-1000116 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade mercurial to version 4.3 or higher.

Overview

mercurial is a distributed SCM tool written in Python.

Affected versions of this package are vulnerable to Improper Input Validation. Mercurial was not sanitizing hostnames passed to ssh, allowing shell injection attacks on clients by specifying a hostname starting with -oProxyCommand.