Out-of-bounds Read Affecting shim package, versions <15.8-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.03% (6th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-SHIM-6190482
  • published25 Jan 2024
  • disclosed29 Jan 2024

Introduced: 25 Jan 2024

CVE-2023-40550  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Debian:unstable shim to version 15.8-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream shim package and not the shim package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase.

CVSS Base Scores

version 3.1