Improper Encoding or Escaping of Output Affecting expat package, versions <2.4.5-r0
Threat Intelligence
EPSS
0.82% (83rd
percentile)
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Test your applications- Snyk ID SNYK-ALPINE318-EXPAT-5512166
- published 21 Feb 2022
- disclosed 16 Feb 2022
Introduced: 16 Feb 2022
CVE-2022-25235 Open this link in a new tabHow to fix?
Upgrade Alpine:3.18 expat to version 2.4.5-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Alpine.
See How to fix? for Alpine:3.18 relevant fixed versions and status.
xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.
References
- 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/
- 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/562
- https://lists.debian.org/debian-lts-announce/2022/03/msg00007.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/
- 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
CVSS Scores
version 3.1