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

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.04% (6th percentile)
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NVD
5.5 medium
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Red Hat
4 medium
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SUSE
4 medium

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  • Snyk ID SNYK-AMZN2-VIMDATA-6062292
  • published 16 Nov 2023
  • disclosed 27 Oct 2023
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Introduced: 27 Oct 2023

CVE-2023-46246 Open this link in a new tab
CWE-190 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2 vim-data 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-data package and not the vim-data 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.