SB2024121913 - Istio update for Envoy



SB2024121913 - Istio update for Envoy

Published: December 19, 2024

Security Bulletin ID SB2024121913
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 67% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2024-53269)

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

The vulnerability exists due to insufficient validation of user-supplied input when handling additional IP addresses within the Happy Eyeballs sorting algorithm implementation. A remote user can pass a string that is not an IP address and crash the server.


2) NULL pointer dereference (CVE-ID: CVE-2024-53270)

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

The vulnerability exists due to a NULL pointer dereference error during the H/2 upstream reset. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


3) Resource management error (CVE-ID: CVE-2024-53271)

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

The vulnerability exists due to improper management of internal resources within the application when handling HTTP/1.1 non-101 1xx responses. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.