Remote code execution in Vim



Published: 2022-09-18
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-3234
CWE-ID CWE-122
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Vim
Client/Desktop applications / Office applications

Vendor

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Heap-based buffer overflow

EUVDB-ID: #VU67435

Risk: High

CVSSv3.1:

CVE-ID: CVE-2022-3234

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 within the utfc_ptr2len() function at mbyte.c. A remote attacker can trick the victim to open a specially crafted fule, 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: before 9.0.0483

CPE2.3 External links

http://github.com/vim/vim/commit/c249913edc35c0e666d783bfc21595cf9f7d9e0d
http://huntr.dev/bounties/90fdf374-bf04-4386-8a23-38c83b88f0da

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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