Out-of-bounds Write Affecting grub2-snapper-plugin package, versions <2.04-150300.22.52.3


Severity

Recommended
high

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

Exploit Maturity
Not Defined

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  • Snyk IDSNYK-SLES153-GRUB2SNAPPERPLUGIN-8743828
  • published22 Feb 2025
  • disclosed20 Feb 2025

Introduced: 20 Feb 2025

NewCVE-2025-0690  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 grub2-snapper-plugin to version 2.04-150300.22.52.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grub2-snapper-plugin package and not the grub2-snapper-plugin package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

The read command is used to read the keyboard input from the user, while reads it keeps the input length in a 32-bit integer value which is further used to reallocate the line buffer to accept the next character. During this process, with a line big enough it's possible to make this variable to overflow leading to a out-of-bounds write in the heap based buffer. This flaw may be leveraged to corrupt grub's internal critical data and secure boot bypass is not discarded as consequence.

CVSS Scores

version 3.1