PT-2022-7601 · Vim+6 · Vim+6

Brammool · Published 2022-10-12 · Updated 2023-10-09 · CVE-2022-3491

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Vim versions prior to 9.0.0742

Description The issue is related to a heap-based buffer overflow in the Vim text editor, specifically in the skipwhite function in charset.c, which can lead to a denial of service when exploited.

Recommendations For versions prior to 9.0.0742, update to version 9.0.0742 or later to resolve the issue. As a temporary workaround, consider restricting the use of the skipwhite function in charset.c until a patch is applied.

Exploit

Fix

Memory Corruption

Heap Based Buffer Overflow

Weakness Enumeration

CWE-787

CWE-122

Related Identifiers

ALT-PU-2022-2847

ALT-PU-2022-2911

ALT-PU-2022-2914

ALT-PU-2022-3192

BDU:2024-07361

CVE-2022-3491

OESA-2022-2135

OPENSUSE-SU-2022_4631-1

SUSE-SU-2022:4631-1

SUSE-SU-2022_4631-1

SUSE-SU-2023:0209-1

SUSE-SU-2023_0209-1

USN-6420-1

Affected Products

Alt Linux

Astra Linux

Debian

Linuxmint

Suse

Ubuntu

Vim

References · 63

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/3xxx/CVE-2022-3491.json · Exploit
• 🔥 https://huntr.dev/bounties/6e6e05c2-2cf7-4aa5-a817-a62007bf92cb · Exploit
• https://github.com/vim/vim/commit/3558afe9e9e904cabb8475392d859f2d2fc21041 · Patch
• https://ubuntu.com/security/CVE-2022-3705 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-2135 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-3491 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-3491 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-3491 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-07361 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-3520 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-3591 · Security Note
• https://ubuntu.com/security/CVE-2022-3297 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6420-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-3520 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-3256 · Vendor Advisory