Integer Overflow or Wraparound Affecting mokutil package, versions <0:15.8-1.0.3.el7


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.07% (32nd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ORACLE7-MOKUTIL-6807772
  • published4 May 2024
  • disclosed29 Jan 2024

Introduced: 29 Jan 2024

CVE-2023-40548  (opens in a new tab)
CWE-190  (opens in a new tab)
CWE-787  (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.

A buffer overflow was found in Shim in the 32-bit system. The overflow happens due to an addition operation involving a user-controlled value parsed from the PE binary being used by Shim. This value is further used for memory allocation operations, leading to a heap-based buffer overflow. This flaw causes memory corruption and can lead to a crash or data integrity issues during the boot phase.

CVSS Base Scores

version 3.1