Use After Free Affecting vim-small package, versions <9.1.0111-150000.5.60.1


Severity

Recommended
0.0
low
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-SLES153-VIMSMALL-6436425
  • published14 Mar 2024
  • disclosed13 Mar 2024

Introduced: 13 Mar 2024

CVE-2023-48706  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 vim-small to version 9.1.0111-150000.5.60.1 or higher.

NVD Description

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

Vim is a UNIX editor that, prior to version 9.0.2121, has a heap-use-after-free vulnerability. When executing a :s command for the very first time and using a sub-replace-special atom inside the substitution part, it is possible that the recursive :s call causes free-ing of memory which may later then be accessed by the initial :s command. The user must intentionally execute the payload and the whole process is a bit tricky to do since it seems to work only reliably for the very first :s command. It may also cause a crash of Vim. Version 9.0.2121 contains a fix for this issue.

CVSS Scores

version 3.1