#VU65394 Use-after-free in Vim - CVE-2022-2345

Vulnerability identifier: #VU65394

Vulnerability risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-2345

CWE-ID: CWE-416

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 compromise vulnerable system.

The vulnerability exists due to a use-after-free error in function skipwhite at charset.c:1428. A remote attacker can trick the victim to open a specially crafted file and compromise vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vim: before 9.0.0046, 9.0.0046

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External links
https://huntr.dev/bounties/1eed7009-db6d-487b-bc41-8f2fd260483f
https://github.com/vim/vim/commit/32acf1f1a72ebb9d8942b9c9d80023bf1bb668ea

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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.