#VU66786 NULL pointer dereference in Vim - CVE-2022-2980

Vulnerability identifier: #VU66786

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-2022-2980

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 within the do_mouse() function in mouse.c. A remote attacker can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Vim: 9.0.0000 - 9.0.0258

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External links
https://github.com/vim/vim/commit/80525751c5ce9ed82c41d83faf9ef38667bf61b1
https://huntr.dev/bounties/6e7b12a5-242c-453d-b39e-9625d563b0ea

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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.