Out-of-bounds Write Affecting libtpms package, versions <0.9.1-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.03% (6th percentile)

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  • Snyk IDSNYK-DEBIAN13-LIBTPMS-5685661
  • published29 Jun 2021
  • disclosed2 Mar 2022

Introduced: 29 Jun 2021

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

How to fix?

Upgrade Debian:13 libtpms to version 0.9.1-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libtpms package and not the libtpms package as distributed by Debian. See How to fix? for Debian:13 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