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CVE-2023-46246

4.0 · MEDIUM

Vim is an improved version of the good old UNIX editor Vi.

Published Oct 27, 2023CWE-190EPSS 0.37%

Overview

CVE-2023-46246 is a medium-severity vulnerability. It was published on October 27, 2023 and has a CVSS 3.1 base score of 4.0 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.0, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/vim/vim/commit/9198c1f2b1ddecde22af918541e0de2a32f0f45aGitHubgithub.com/vim/vim/security/advisories/GHSA-q22m-h7m2-9mgmReflists.fedoraproject.org/archives/list/[email protected]/message/DNMFS3IH74KEMMESOA3EOB6MZ56TWGFF/Reflists.fedoraproject.org/archives/list/[email protected]/message/IVA7K73WHQH4KVFDJQ7ELIUD2WK5ZT5E/Refsecurity.netapp.com/advisory/ntap-20231208-0006/GitHubgithub.com/vim/vim/commit/9198c1f2b1ddecde22af918541e0de2a32f0f45aGitHubgithub.com/vim/vim/security/advisories/GHSA-q22m-h7m2-9mgmReflists.fedoraproject.org/archives/list/[email protected]/message/DNMFS3IH74KEMMESOA3EOB6MZ56TWGFF/Reflists.fedoraproject.org/archives/list/[email protected]/message/IVA7K73WHQH4KVFDJQ7ELIUD2WK5ZT5E/Refsecurity.netapp.com/advisory/ntap-20231208-0006/

How CyberStrike helps

Frequently asked questions

What is CVE-2023-46246?

CVE-2023-46246 is a medium-severity vulnerability. It was published on October 27, 2023 and has a CVSS 3.1 base score of 4.0 (MEDIUM).

How severe is CVE-2023-46246?

This vulnerability has a CVSS 3.1 base score of 4.0, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-46246?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-46246?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-46246 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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