CVE-2023-46246
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.
Does this matter?
Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.37% probability · 30th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190, CWE-416
- Affected
- vim/vim
- Source
- security-advisories@github.com
References
- https://github.com/vim/vim/commit/9198c1f2b1ddecde22af918541e0de2a32f0f45aPatch
- https://github.com/vim/vim/security/advisories/GHSA-q22m-h7m2-9mgmExploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DNMFS3IH74KEMMESOA3EOB6MZ56TWGFF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IVA7K73WHQH4KVFDJQ7ELIUD2WK5ZT5E/
- https://security.netapp.com/advisory/ntap-20231208-0006/
- https://github.com/vim/vim/commit/9198c1f2b1ddecde22af918541e0de2a32f0f45aPatch
- https://github.com/vim/vim/security/advisories/GHSA-q22m-h7m2-9mgmExploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DNMFS3IH74KEMMESOA3EOB6MZ56TWGFF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IVA7K73WHQH4KVFDJQ7ELIUD2WK5ZT5E/
- https://security.netapp.com/advisory/ntap-20231208-0006/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.