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Vulnerability IntelligenceCVE-2022-25235

CVE-2022-25235

CRITICAL9.8

xmltok_impl

Published Feb 16, 2022

Modified 10 months ago

Details

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

WEB

http://www.openwall.com/lists/oss-security/2022/02/19/1

WEB

https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf

WEB

https://github.com/libexpat/libexpat/pull/562

WEB

https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html

ADVISORY

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/

ADVISORY

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/

ADVISORY

https://security.gentoo.org/glsa/202209-24

WEB

https://security.netapp.com/advisory/ntap-20220303-0008/

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2022-25235

ADVISORY

https://www.debian.org/security/2022/dsa-5085

WEB

https://www.oracle.com/security-alerts/cpuapr2022.html

CVSS Analysis

CVSS v3.1

9.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

9.8/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Ecosystems

Timeline

PublishedFeb 16, 2022

ModifiedMay 5, 2025

CVE-2022-25235 | Mondoo Vulnerability Intelligence