Resource Exhaustion Affecting expat package, versions <0:2.1.0-15.amzn2.0.3
Threat Intelligence
EPSS
1.08% (85th
percentile)
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Test your applications- Snyk ID SNYK-AMZN2-EXPAT-5936124
- published 6 Oct 2023
- disclosed 18 Feb 2022
How to fix?
Upgrade Amazon-Linux:2 expat to version 0:2.1.0-15.amzn2.0.3 or higher.
This issue was patched in ALAS2-2023-2280.
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-25313
- http://www.openwall.com/lists/oss-security/2022/02/19/1
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
- https://github.com/libexpat/libexpat/pull/558
- https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/
- https://security.gentoo.org/glsa/202209-24
- https://security.netapp.com/advisory/ntap-20220303-0008/
- https://www.debian.org/security/2022/dsa-5085
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/
CVSS Scores
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