Vulnerability Monitor

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CVE-2023-46246

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.0, requiring local system access to exploit with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and limited availability for affected systems. Impacting 1 product from vim organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2023, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2023-10-27T19:15:41.417

Last Modified

2025-02-13T18:15:34.523

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.0 (MEDIUM)

Weaknesses

Type: Secondary
CWE-190
CWE-416
Type: Primary
CWE-190
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	vim	vim	< 9.0.2068	Yes

References

https://github.com/vim/vim/commit/9198c1f2b1ddecde22af918541e0de2a32f0f45a Patch ([email protected])
https://github.com/vim/vim/security/advisories/GHSA-q22m-h7m2-9mgm Exploit, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/[email protected]/message/DNMFS3IH74KEMMESOA3EOB6MZ56TWGFF/ ([email protected])
https://lists.fedoraproject.org/archives/list/[email protected]/message/IVA7K73WHQH4KVFDJQ7ELIUD2WK5ZT5E/ ([email protected])
https://security.netapp.com/advisory/ntap-20231208-0006/ ([email protected])
https://github.com/vim/vim/commit/9198c1f2b1ddecde22af918541e0de2a32f0f45a Patch (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/vim/vim/security/advisories/GHSA-q22m-h7m2-9mgm Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/[email protected]/message/DNMFS3IH74KEMMESOA3EOB6MZ56TWGFF/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/[email protected]/message/IVA7K73WHQH4KVFDJQ7ELIUD2WK5ZT5E/ (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20231208-0006/ (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For vim's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.