Vulnerability · Published May 9, 2022 · Assigned by @huntrdev

CVE-2022-1621Heap buffer overflow in vim_strncpy find_word in vim/vim

High 7.3

In plain English

A high-severity heap buffer overflow in vim/vim from vim. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.4% (higher than 84% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.0)7.3High
Exploit odds (30 days)2.4%top 16.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Heap buffer overflow in vim_strncpy find_word in GitHub repository vim/vim prior to 8.2.4919. This vulnerability is capable of crashing software, Bypass Protection Mechanism, Modify Memory, and possible remote execution

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8vim-X112:8.0.1763-19.el8_6.2ALSA-2022:5319
AlmaLinux:9vim-X112:8.2.2637-16.el9_0.2ALSA-2022:5242
AlmaLinux:8vim-common2:8.0.1763-19.el8_6.2ALSA-2022:5319
AlmaLinux:9vim-common2:8.2.2637-16.el9_0.2ALSA-2022:5242
AlmaLinux:8vim-enhanced2:8.0.1763-19.el8_6.2ALSA-2022:5319
AlmaLinux:9vim-enhanced2:8.2.2637-16.el9_0.2ALSA-2022:5242
AlmaLinux:8vim-filesystem2:8.0.1763-19.el8_6.2ALSA-2022:5319
AlmaLinux:9vim-filesystem2:8.2.2637-16.el9_0.2ALSA-2022:5242
AlmaLinux:8vim-minimal2:8.0.1763-19.el8_6.2ALSA-2022:5319
AlmaLinux:9vim-minimal2:8.2.2637-16.el9_0.2ALSA-2022:5242
Alpine:v3.20vim8.2.4969-r0ALPINE-CVE-2022-1621
Alpine:v3.21vim8.2.4969-r0ALPINE-CVE-2022-1621
Alpine:v3.22vim8.2.4969-r0ALPINE-CVE-2022-1621
Alpine:v3.23vim8.2.4969-r0ALPINE-CVE-2022-1621
Alpine:v3.24vim8.2.4969-r0ALPINE-CVE-2022-1621
Debian:12vim2:9.0.0135-1DEBIAN-CVE-2022-1621
Debian:13vim2:9.0.0135-1DEBIAN-CVE-2022-1621
Debian:14vim2:9.0.0135-1DEBIAN-CVE-2022-1621
Rocky Linux:8vim2:8.0.1763-19.el8_6.2RLSA-2022:5319
Ubuntu:22.04:LTSvim2:8.2.3995-1ubuntu2.1USN-5613-1
Ubuntu:22.04:LTSvim2:8.2.3995-1ubuntu2.1UBUNTU-CVE-2022-1621

Affected products (as reported)

VendorProductVersions
vim vim/vim unspecified – before 8.2.4919

Weakness: CWE-122 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H

References