#VU65416 NULL pointer dereference in Vim - CVE-2022-2231
Published: July 19, 2022
Vulnerability identifier: #VU65416
Vulnerability risk: Low
CVSSv4.0: 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-2022-2231
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Vim
Vim
Software vendor:
Vim.org
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 in skipwhite() function at charset.c:1428. A remote attacker can trick the victim into opening a specially crafted file to perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://huntr.dev/bounties/8dae6ab4-7a7a-4716-a65c-9b090fa057b5
- https://github.com/vim/vim/commit/79481367a457951aabd9501b510fd7e3eb29c3d8
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GFD2A4YLBR7OIRHTL7CK6YNMEIQ264CN/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U743FMJGFQ35GBPCQ6OWMVZEJPDFVEWM/