Out-of-bounds write in Vim - CVE-2022-1897

 

Out-of-bounds write in Vim - CVE-2022-1897

Published: June 20, 2022


Vulnerability identifier: #VU64506
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-1897
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Vim.org
Affected software:
Vim

Detailed vulnerability description

The vulnerability allows a local attacker to execute arbitrary code on the system.

The vulnerability exists due to Illegal memory access and leads to an out-of-bounds write vulnerability in the vim_regsub_both() function. A local attacker can trick the victim into opening a specially crafted file, leading to a system crash or code execution.


How to mitigate CVE-2022-1897

Install updates from vendor's website.

Sources