SB2023112839 - Red Hat Enterprise Linux 8.8 Extended Update Support update for c-ares

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Main Vulnerability Database SB2023112839

SB2023112839 - Red Hat Enterprise Linux 8.8 Extended Update Support update for c-ares

Published: November 28, 2023

Security Bulletin ID SB2023112839
Severity
Low
Patch available
YES
Number of vulnerabilities 2
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 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2022-4904)

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

The vulnerability exists due to a boundary error within the config_sortlist() function. A local user can trigger memory corruption and perform a denial of service (DoS) attack.


2) 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.

References