Medium severity · published Oct 27, 2023
CVE-2023-46246
Vim is an improved version of the good old UNIX editor Vi
5.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VI
Vim · Vim
before 9.0.2068 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-46246
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-46246
Patch
https://github.com/vim/vim/commit/9198c1f2b1ddecde22af918541e0de2a32f0f45a
Exploit
https://github.com/vim/vim/security/advisories/GHSA-q22m-h7m2-9mgm
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DNMFS3IH74KEMMESOA3EOB6MZ56TWGFF/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IVA7K73WHQH4KVFDJQ7ELIUD2WK5ZT5E/
security.netapp.com
https://security.netapp.com/advisory/ntap-20231208-0006/
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