SB2024021205 - Multiple vulnerabilities in Envoy

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Main Vulnerability Database SB2024021205

SB2024021205 - Multiple vulnerabilities in Envoy

Published: February 12, 2024

Security Bulletin ID SB2024021205
Severity
High
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

High 20% Medium 60% Low 20%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2024-23322)

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

The vulnerability exists due to a use-after-free error when idle and request per try timeout occur within the backoff interval. A remote attacker can cause a denial of service condition on the target system.


2) NULL pointer dereference (CVE-ID: CVE-2024-23327)

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

The vulnerability exists due to a NULL pointer dereference error in proxy protocol when command type of LOCAL. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


3) Uncaught Exception (CVE-ID: CVE-2024-23325)

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

The vulnerability exists due to uncaught exception in proxy protocol when using an address type that is not supported by the OS. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


4) Improper Authentication (CVE-ID: CVE-2024-23324)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an authentication bypass when proxy protocol filter sets invalid UTF-8 metadata. A remote attacker can bypass external authentication by downstream connections that use PROXY protocol.


5) Inefficient CPU Computation (CVE-ID: CVE-2024-23323)

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

The vulnerability exists due to the excessive CPU usage when URI template matcher is configured using regex. A remote attacker can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References