SB2024021636 - Multiple vulnerabilities in nginx and NGINX Plus



SB2024021636 - Multiple vulnerabilities in nginx and NGINX Plus

Published: February 16, 2024

Security Bulletin ID SB2024021636
CSH 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 vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2024-24989)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to a NULL pointer dereference error within the HTTP/3 QUIC experimental module. A remote attacker can send specially crafted requests to the web server and perform a denial of service (DoS) attack.


2) Use-after-free (CVE-ID: CVE-2024-24990)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to a use-after-free error within the HTTP/3 QUIC experimental module. A remote attacker can send specially crafted requests to the web server and preform a denial of service (DoS) attack.



Remediation

Install update from vendor's website.