Denial of service in Vim

1) Heap-based buffer overflow

EUVDB-ID: #VU96466

Risk: Low

CVSSv4.0: 0.2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-43790

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to boundary error within the do_search() function when performing a search and displaying the search-count message is disabled. A remote attacker can trick the victim to open a specially crafted file and use a specially crafted payload to search information, trigger a heap-based buffer overflow and crash the editor.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Vim: 9.1.0 - 9.1.0688

CPE2.3

• cpe:2.3:a:vim_org:vim:9.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.1.0000:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.1.0001:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.1.0002:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.1.0003:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.1.0004:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.1.0005:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.1.0006:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.1.0007:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.1.0008:*:*:*:*:*:*:*

External links

https://github.com/vim/vim/security/advisories/GHSA-v2x2-cjcg-f9jm

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.