Out-of-bounds read in Vim - CVE-2022-1851

 

Out-of-bounds read in Vim - CVE-2022-1851

Published: June 20, 2022


Vulnerability identifier: #VU64505
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-1851
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Vim.org
Affected software:
Vim

Detailed vulnerability description

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

The vulnerability exists due to illegal memory access and leads to an out-of-bounds read vulnerability in the gchar_cursor() 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-2022-1851

Install updates from vendor's website.

Sources