Vulnerability identifier: #VU63044

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-2022-1420

CWE-ID: CWE-823

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 cause a denial of service on the target application.

The vulnerability exists due to a boundary error. A remote attacker can trick the victim to open a specially crafted file, trigger a use of out-of-range pointer offset and crash the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vim: 8.2.0 - 8.2.4773

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External links
http://github.com/vim/vim/commit/8b91e71441069b1dde9ac9ff9d9a829b1b4aecca
http://huntr.dev/bounties/a4323ef8-90ea-4e1c-90e9-c778f0ecf326
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X6E457NYOIRWBJHKB7ON44UY5AVTG4HU/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KVPZVE2CIE2NGCHZDMEHPBWN3LK2UQAA/

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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.