#VU63488 Stack-based buffer overflow in Vim - CVE-2022-1771

Vulnerability identifier: #VU63488

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-1771

CWE-ID: CWE-121

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 perform a denial of service attack.

The vulnerability exists due to a boundary error when providing certain input. A remote attacker can trigger stack-based buffer overflow and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vim: 8.2.0 - 8.2.4974

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External links
http://huntr.dev/bounties/faa74175-5317-4b71-a363-dfc39094ecbb
http://github.com/vim/vim/commit/51f0bfb88a3554ca2dde777d78a59880d1ee37a8

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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.