CVE-2022-25313

medium

Description

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

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/[email protected]/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/

https://lists.fedoraproject.org/archives/list/[email protected]/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/

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

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

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

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

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

Details

Source: MITRE

Published: 2022-02-18

Updated: 2022-09-29

Type: CWE-400

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 6.5

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

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM