CVE-2022-25313

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/libexpat/libexpat/pull/558
• http://www.openwall.com/lists/oss-security/2022/02/19/1
• https://www.debian.org/security/2022/dsa-5085
• 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://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
• https://www.oracle.com/security-alerts/cpuapr2022.html
• https://security.netapp.com/advisory/ntap-20220303-0008/
• https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
• https://security.gentoo.org/glsa/202209-24

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/libexpat/libexpat/pull/558
• http://www.openwall.com/lists/oss-security/2022/02/19/1
• https://www.debian.org/security/2022/dsa-5085
• 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://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
• https://www.oracle.com/security-alerts/cpuapr2022.html
• https://security.netapp.com/advisory/ntap-20220303-0008/
• https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
• https://security.gentoo.org/glsa/202209-24

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