CVE-2022-25235critical
Description
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://github.com/libexpat/libexpat/pull/562
http://www.openwall.com/lists/oss-security/2022/02/19/1
https://www.debian.org/security/2022/dsa-5085
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
Details
Source: MITRE
Published: 2022-02-16
Updated: 2022-10-07
Type: CWE-116
Risk Information
CVSS v2
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
CVSS v3
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL