SB2023090566 - Denial of service in Vim
Published: September 5, 2023 Updated: October 4, 2023
Security Bulletin ID
SB2023090566
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2023-4781)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: 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
The vulnerability allows a remote attacker to crash the application.
The vulnerability exists due to a boundary error within the vim_regsub_both() function. A remote attacker can trick the victim to open a specially crafted file, trigger a heap-based buffer overflow and crash the application.
Remediation
Install update from vendor's website.