SB2023061718 - openEuler 22.03 LTS SP1 update for c-ares



SB2023061718 - openEuler 22.03 LTS SP1 update for c-ares

Published: June 17, 2023

Security Bulletin ID SB2023061718
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer Underwrite ('Buffer Underflow') (CVE-ID: CVE-2023-31130)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a buffer underflow when using certain IPv6 addresses, such as 0::00:00:00/2". A local privileged user can trigger a boundary error and crash the service.


Remediation

Install update from vendor's website.