SB2024013067 - Red Hat Enterprise Linux 8.8 Extended Update Support update for c-ares



SB2024013067 - Red Hat Enterprise Linux 8.8 Extended Update Support update for c-ares

Published: January 30, 2024

Security Bulletin ID SB2024013067
CSH 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 vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2020-22217)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to a boundary condition within the ares_parse_soa_reply() function in ares_parse_soa_reply.c. A remote attacker can trigger an out-of-bounds read error and crash the application.


Remediation

Install update from vendor's website.