NULL pointer dereference in envoy - CVE-2024-45809
Published: September 20, 2024
Vulnerability identifier: #VU97624
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-2024-45809
CWE-ID: CWE-476
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 a NULL pointer dereference error in JWT filter. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Affected software
envoy
Istio
Istio
How to mitigate CVE-2024-45809
Install updates from vendor's website.
envoy - addressed in versions 1.29.9, 1.30.6, 1.31.2
Istio - addressed in versions 1.22.5, 1.23.2
Istio - addressed in versions 1.22.5, 1.23.2