Integer Overflow or Wraparound Affecting vim-filesystem package, versions <2:9.0.2081-1.amzn2.0.1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN2-VIMFILESYSTEM-6062245
  • published16 Nov 2023
  • disclosed27 Oct 2023

Introduced: 27 Oct 2023

CVE-2023-46246  (opens in a new tab)
CWE-190  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 vim-filesystem to version 2:9.0.2081-1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2023-2338.

NVD Description

Note: Versions mentioned in the description apply only to the upstream vim-filesystem package and not the vim-filesystem package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

Vim is an improved version of the good old UNIX editor Vi. Heap-use-after-free in memory allocated in the function ga_grow_inner in in the file src/alloc.c at line 748, which is freed in the file src/ex_docmd.c in the function do_cmdline at line 1010 and then used again in src/cmdhist.c at line 759. When using the :history command, it's possible that the provided argument overflows the accepted value. Causing an Integer Overflow and potentially later an use-after-free. This vulnerability has been patched in version 9.0.2068.

CVSS Scores

version 3.1