CVE-2020-29362 Information

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 PKCS11 function call the receiving entity may allow the reading of up to 4 bytes of memory past the heap allocation.

CVSS Vector

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

Reference

https://github.com/p11-glue/p11-kit/security/advisories/GHSA-5wpq-43j2-6qwc https://github.com/p11-glue/p11-kit/releases https://www.debian.org/security/2021/dsa-4822 https://lists.debian.org/debian-lts-announce/2021/01/msg00002.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

5.3