Heap-based buffer overflow in Vim

1) Heap-based buffer overflow

EUVDB-ID: #VU62026

Risk: High

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:Amber]

CVE-ID: CVE-2022-0943

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker can trick the victim to open a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Vim: 8.2.0 - 8.2.4562

CPE2.3

• cpe:2.3:a:vim_org:vim:8.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:8.2.0000:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:8.2.0001:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:8.2.0002:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:8.2.0003:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:8.2.0004:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:8.2.0005:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:8.2.0006:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:8.2.0007:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:8.2.0008:*:*:*:*:*:*:*

External links

https://github.com/vim/vim/commit/5c68617d395f9d7b824f68475b24ce3e38d653a3
https://huntr.dev/bounties/9e4de32f-ad5f-4830-b3ae-9467b5ab90a1
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C3R36VSLO4TRX72SWB6IDJOD24BQXPX2/

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.