SB2024021507 - Multiple vulnerabilities in HashiCorp Consul

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2024021507

SB2024021507 - Multiple vulnerabilities in HashiCorp Consul

Published: February 15, 2024 Updated: December 6, 2024

Security Bulletin ID SB2024021507
Severity
High
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

High 33% Medium 50% Low 17%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 secuirty vulnerabilities.


1) 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.


2) 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.


3) 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.


4) 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.


5) 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.


6) Resource exhaustion (CVE-ID: CVE-2023-44487)

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

The vulnerability exists due to improperly control of consumption for internal resources when handling HTTP/2 requests with compressed HEADERS frames. A remote attacker can send a sequence of compressed HEADERS frames followed by RST_STREAM frames and perform a denial of service (DoS) attack, a.k.a. "Rapid Reset".

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install update from vendor's website.

References