Vulnerability identifier: #VU65416

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-2231

CWE-ID: CWE-476

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 perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in skipwhite() function at charset.c:1428. A remote attacker can trick the victim into opening a specially crafted file to perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Vim:

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External links
http://huntr.dev/bounties/8dae6ab4-7a7a-4716-a65c-9b090fa057b5
http://github.com/vim/vim/commit/79481367a457951aabd9501b510fd7e3eb29c3d8
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GFD2A4YLBR7OIRHTL7CK6YNMEIQ264CN/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U743FMJGFQ35GBPCQ6OWMVZEJPDFVEWM/

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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.