CVE-2020-29362

low-risk
Published 2020-12-16

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.

Do I need to act?

-
0.07% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

P11-Kit

Affected Vendors

P11-Kit Project

References (8)

Release Notes https://github.com/p11-glue/p11-kit/releases
Third Party Advisory https://github.com/p11-glue/p11-kit/security/advisories/GHSA-5wpq-43j2-6qwc
Mailing List https://lists.debian.org/debian-lts-announce/2021/01/msg00002.html
Third Party Advisory https://www.debian.org/security/2021/dsa-4822
Release Notes https://github.com/p11-glue/p11-kit/releases
Third Party Advisory https://github.com/p11-glue/p11-kit/security/advisories/GHSA-5wpq-43j2-6qwc
Mailing List https://lists.debian.org/debian-lts-announce/2021/01/msg00002.html
Third Party Advisory https://www.debian.org/security/2021/dsa-4822
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal