Out-of-bounds Write Affecting libtpms-devel package, versions <0.8.2-150300.3.6.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.32% (25th percentile)

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  • Snyk IDSNYK-SLES153-LIBTPMSDEVEL-3168357
  • published14 Dec 2022
  • disclosed13 Dec 2022

Introduced: 13 Dec 2022

CVE-2021-3623  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 libtpms-devel to version 0.8.2-150300.3.6.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libtpms-devel package and not the libtpms-devel package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

A flaw was found in libtpms. The flaw can be triggered by specially-crafted TPM 2 command packets containing illegal values and may lead to an out-of-bounds access when the volatile state of the TPM 2 is marshalled/written or unmarshalled/read. The highest threat from this vulnerability is to system availability.

CVSS Base Scores

version 3.1