#VU63491 NULL pointer dereference in Vim - CVE-2022-1674

Vulnerability identifier: #VU63491

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-2022-1674

CWE-ID: CWE-476

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 (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trick the victim to open a specially crafted file and perform a denial of service attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Vim: 8.2.0 - 8.2.4937

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External links
https://huntr.dev/bounties/a74ba4a4-7a39-4a22-bde3-d2f8ee07b385
https://github.com/vim/vim/commit/a59f2dfd0cf9ee1a584d3de5b7c2d47648e79060
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ODXVYZC5Z4XRRZK7CK6B6IURYVYHA25U/

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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.