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Out-of-Bounds Affecting libxml2 package, versions <0:2.9.1-6.amzn2.3.2

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required

    Threat Intelligence

    EPSS 0.62% (79th percentile)
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NVD
6.3 medium
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Red Hat
4.3 medium

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  • Snyk ID SNYK-AMZN2-LIBXML2-1670923
  • published 27 Sep 2021
  • disclosed 18 Nov 2015
Report a new vulnerability Found a mistake?

Introduced: 18 Nov 2015

CVE-2015-7942 Open this link in a new tab
CWE-119 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2 libxml2 to version 0:2.9.1-6.amzn2.3.2 or higher.
This issue was patched in ALAS2-2019-1220.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2 package and not the libxml2 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

The xmlParseConditionalSections function in parser.c in libxml2 does not properly skip intermediary entities when it stops parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via crafted XML data, a different vulnerability than CVE-2015-7941.

References