CVE-2023-46246

Summary

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.

Affected Software

Weaknesses

• CWE-416: CWE-416: Use After Free
• CWE-190: CWE-190: Integer Overflow or Wraparound

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/vim/vim/security/advisories/GHSA-q22m-h7m2-9mgm
• https://github.com/vim/vim/commit/9198c1f2b1ddecde22af918541e0de2a32f0f45a
• https://security.netapp.com/advisory/ntap-20231208-0006/
• 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/

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/vim/vim/security/advisories/GHSA-q22m-h7m2-9mgm
• https://github.com/vim/vim/commit/9198c1f2b1ddecde22af918541e0de2a32f0f45a
• https://security.netapp.com/advisory/ntap-20231208-0006/
• 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/

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