SB2023111547 - Ubuntu update for quagga



SB2023111547 - Ubuntu update for quagga

Published: November 15, 2023

Security Bulletin ID SB2023111547
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
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 2 secuirty vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2022-37032)

The vulnerability allows a remote attacker to gain access to potentially sensitive information or perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition when processing BGP messages. A remote attacker can send specially crafted BGP messages to the system, trigger an out-of-bounds read error and read contents of memory on the system or crash the BGP daemon.


2) Input validation error (CVE-ID: CVE-2023-46753)

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

The vulnerability exists due to insufficient validation of user-supplied input when processing BGP UPDATE message without mandatory attributes. A remote attacker can send specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.