Out-of-bounds Read Affecting mokutil package, versions <0:15.8-1.0.3.el7


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-ORACLE7-MOKUTIL-6807755
  • published4 May 2024
  • disclosed29 Jan 2024

Introduced: 29 Jan 2024

CVE-2023-40549  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Oracle:7 mokutil to version 0:15.8-1.0.3.el7 or higher.
This issue was patched in ELSA-2024-1959.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mokutil package and not the mokutil package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the load of a PE binary. This flaw allows an attacker to load a crafted PE binary, triggering the issue and crashing Shim, resulting in a denial of service.

CVSS Base Scores

version 3.1