CVE-2020-29362

MediumCVSS 5.3/10Last modified Oct 14, 2026

Description

An issue was discovered in p11-kit 0.21.1 through 0.23.21. A heap-based buffer over-read has been discovered in the RPC protocol used by thep11-kit server/remote commands and the client library. When the remote entity supplies a byte array through a serialized PKCS#11 function call, the receiving entity may allow the reading of up to 4 bytes of memory past the heap allocation.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-125

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://github.com/p11-glue/p11-kit/releasesRelease Notes, Third Party Advisory
https://github.com/p11-glue/p11-kit/security/advisories/GHSA-5wpq-43j2-6qwcThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00002.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2021/dsa-4822Third Party Advisory
https://github.com/p11-glue/p11-kit/releasesRelease Notes, Third Party Advisory
https://github.com/p11-glue/p11-kit/security/advisories/GHSA-5wpq-43j2-6qwcThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00002.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2021/dsa-4822Third Party Advisory
https://cert-portal.siemens.com/productcert/html/ssa-398330.html

Timeline

Published: Dec 16, 2020
Last modified: Oct 14, 2026
NVD status: Modified

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