Out-of-bounds Read Affecting p11-kit package, versions <0:0.23.22-1.el8


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.13% (50th percentile)

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  • Snyk IDSNYK-RHEL8-P11KIT-4005382
  • published26 Jul 2021
  • disclosed12 Dec 2020

Introduced: 12 Dec 2020

CVE-2020-29362  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade RHEL:8 p11-kit to version 0:0.23.22-1.el8 or higher.
This issue was patched in RHSA-2021:1609.

NVD Description

Note: Versions mentioned in the description apply only to the upstream p11-kit package and not the p11-kit package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

CVSS Scores

version 3.1