#VU96466 Heap-based buffer overflow in Vim - CVE-2024-43790

Vulnerability identifier: #VU96466

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Vim
Client/Desktop applications / Software for system administration

Vendor: Vim.org

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

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

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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.