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CVE-2023-46246

Public on 2023-10-27
Modified on 2024-01-12
Description

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.

Severity
Medium
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CVSS v3 Base Score
4.0
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 vim 2023-11-29 23:18 ALAS-2023-1893
Amazon Linux 2 - Core vim 2023-11-09 19:19 ALAS2-2023-2338
Amazon Linux 2023 vim 2023-11-09 21:29 ALAS2023-2023-431

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD CVSSv3 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L