SB2023053070 - Denial of service in Vim
Published: May 30, 2023
Security Bulletin ID
SB2023053070
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use of Out-of-range Pointer Offset (CVE-ID: CVE-2023-2426)
The vulnerability allows a remote attacker to crash the application.
The vulnerability exists due to an out-of-range pointer offset within the mb_charlen() function in mbyte.c. A remote attacker can trick the victim to open a specially crafted file and crash the application.
Remediation
Install update from vendor's website.
References
- https://huntr.dev/bounties/3451be4c-91c8-4d08-926b-cbff7396f425
- https://github.com/vim/vim/commit/caf642c25de526229264cab9425e7c9979f3509b
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LOJP6M7ZTKZQYOGVOOAY6TIE6ACBJL55/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PCLJN4QINITA3ZASKLEJ64C5TFNKELMO/