Vulnerability Details : CVE-2022-25235
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.
Products affected by CVE-2022-25235
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-25235
12.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 93 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-25235
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2022-25235
-
The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-25235
-
https://github.com/libexpat/libexpat/pull/562
[CVE-2022-25235] lib: Protect against malformed encoding (e.g. malformed UTF-8) by hartwork · Pull Request #562 · libexpat/libexpat · GitHubPatch;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2022/02/19/1
oss-security - Expat 2.4.5 released, includes 5 security fixesMailing List;Third Party Advisory
-
https://www.oracle.com/security-alerts/cpuapr2022.html
Oracle Critical Patch Update Advisory - April 2022Patch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
[SECURITY] [DLA 2935-1] expat security updateMailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202209-24
Expat: Multiple Vulnerabilities (GLSA 202209-24) — Gentoo securityThird Party Advisory
-
https://www.debian.org/security/2022/dsa-5085
Debian -- Security Information -- DSA-5085-1 expatThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/
[SECURITY] Fedora 35 Update: mingw-expat-2.4.6-1.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/
[SECURITY] Fedora 34 Update: mingw-expat-2.4.6-1.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20220303-0008/
February 2022 Expat Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
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