CVE-2022-23219

CriticalCVSS 9.8/10Last modified Oct 14, 2026

Description

The deprecated compatibility function clnt_create in the sunrpc module of the GNU C Library (aka glibc) through 2.34 copies its hostname argument on the stack without validating its length, which may result in a buffer overflow, potentially resulting in a denial of service or (if an application is not built with a stack protector enabled) arbitrary code execution.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-120

Affected software

Vendor	Product	Versions
n/a	n/a	n/a
Siemens	SIMATIC S7-1500 CPU 1518-4 PN/DP MFP	>= V3.1.0, < V3.1.5
Siemens	SIMATIC S7-1500 CPU 1518-4 PN/DP MFP	>= V3.1.0, < V3.1.5
Siemens	SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP	>= V3.1.0, < V3.1.5
Siemens	SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP	>= V3.1.0, < V3.1.5
Siemens	SIPLUS S7-1500 CPU 1518-4 PN/DP MFP	>= V3.1.0, < V3.1.5

References

https://lists.debian.org/debian-lts-announce/2022/10/msg00021.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/202208-24Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=22542Exploit, Issue Tracking, Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00021.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/202208-24Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=22542Exploit, Issue Tracking, Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
https://cert-portal.siemens.com/productcert/html/ssa-099606.html
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://cert-portal.siemens.com/productcert/html/ssa-831302.html

Timeline

Published: Jan 14, 2022
Last modified: Oct 14, 2026
NVD status: Modified

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