SB2024072676 - openEuler 20.03 LTS SP4 update for dnsmasq



SB2024072676 - openEuler 20.03 LTS SP4 update for dnsmasq

Published: July 26, 2024

Security Bulletin ID SB2024072676
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Integer overflow (CVE-ID: CVE-2023-49441)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow within the sha256_transform() function in hash-questions.c when comparing hashes. A remote attacker can send specially crafted data to the server, trigger an integer overflow and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.