Incorrect Check of Function Return Value in envoy - CVE-2024-32475
Published: April 19, 2024
Vulnerability identifier: #VU88855
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2024-32475
CWE-ID: CWE-253
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect check of function return value when using auto_sni with :authority header longer than 255 characters. A remote attacker can perform a denial of service (DoS) attack.
Affected software
envoy
Amazon Linux AMI
Consul
OpenShift Service Mesh
Amazon Linux AMI
Consul
OpenShift Service Mesh
How to mitigate CVE-2024-32475
Install updates from vendor's website.
envoy - addressed in versions 1.27.5, 1.28.3, 1.29.4, 1.30.1
Consul - update to 1.18.2
OpenShift Service Mesh - addressed in versions 2.4.11, 2.5.5
Consul - update to 1.18.2
OpenShift Service Mesh - addressed in versions 2.4.11, 2.5.5