SB20231107126 - Multiple vulnerabilities in FRRouting

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Main Vulnerability Database SB20231107126

SB20231107126 - Multiple vulnerabilities in FRRouting

Published: November 7, 2023

Security Bulletin ID SB20231107126
Severity
Medium
Patch available
YES
Number of vulnerabilities 4
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 4 secuirty vulnerabilities.


1) 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.


2) Input validation error (CVE-ID: CVE-2023-46752)

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 MP_REACH_NLRI data. A remote attacker can send specially crafted input to the application and perform a denial of service (DoS) attack.


3) Input validation error (CVE-ID: CVE-2023-47235)

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 a malformed BGP UPDATE message with an EOR is processed. A remote attacker can send specially crafted input to the application and perform a denial of service (DoS) attack.


4) Input validation error (CVE-ID: CVE-2023-47234)

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 a crafted BGP UPDATE message with a MP_UNREACH_NLRI attribute and additional NLRI data (that lacks mandatory path attributes). A remote attacker can send specially crafted messages to the daemon and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References