Resource Management Errors Affecting expat-debuginfo package, versions <0:2.0.1-11.9.amzn1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.63% (80th percentile)

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  • Snyk IDSNYK-AMZN201803-EXPATDEBUGINFO-1664630
  • published27 Sept 2021
  • disclosed3 Jul 2012

Introduced: 3 Jul 2012

CVE-2012-0876  (opens in a new tab)
CWE-399  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 expat-debuginfo to version 0:2.0.1-11.9.amzn1 or higher.
This issue was patched in ALAS-2012-89.

NVD Description

Note: Versions mentioned in the description apply only to the upstream expat-debuginfo package and not the expat-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

The XML parser (xmlparse.c) in expat before 2.1.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via an XML file with many identifiers with the same value.

CVSS Scores

version 3.1