Denial of service in Vim

1) NULL pointer dereference

EUVDB-ID: #VU67160

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-2022-3153

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

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 vim_regcomp() function in regexp.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 - 9.0.0403

CPE2.3

• cpe:2.3:a:vim_org:vim:9.0.0000:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.0.0001:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.0.0002:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.0.0003:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.0.0004:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.0.0005:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.0.0006:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.0.0007:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.0.0008:*:*:*:*:*:*:*
• cpe:2.3:a:vim_org:vim:9.0.0009:*:*:*:*:*:*:*

External links

https://huntr.dev/bounties/68331124-620d-48bc-a8fa-cd947b26270a
https://github.com/vim/vim/commit/1540d334a04d874c2aa9d26b82dbbcd4bc5a78de

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.