Vulnerability identifier: #VU62026

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0943

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Vim
Client/Desktop applications / Office applications

Vendor: Vim.org

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker can trick the victim to open a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vim: 8.2.0 - 8.2.4562

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External links
http://github.com/vim/vim/commit/5c68617d395f9d7b824f68475b24ce3e38d653a3
http://huntr.dev/bounties/9e4de32f-ad5f-4830-b3ae-9467b5ab90a1
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C3R36VSLO4TRX72SWB6IDJOD24BQXPX2/

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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.