NULL pointer dereference in envoy - CVE-2024-53270
Published: December 19, 2024 / Updated: December 23, 2024
Vulnerability identifier: #VU101847
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-2024-53270
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 during the H/2 upstream reset. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Affected software
envoy
Istio
OpenShift Service Mesh
Istio
OpenShift Service Mesh
How to mitigate CVE-2024-53270
Install updates from vendor's website.
envoy - addressed in versions 1.29.12, 1.30.9, 1.31.5, 1.32.3
Istio - addressed in versions 1.22.7, 1.23.4, 1.24.2
OpenShift Service Mesh - update to 2.6.5
Istio - addressed in versions 1.22.7, 1.23.4, 1.24.2
OpenShift Service Mesh - update to 2.6.5
External References
- https://github.com/envoyproxy/envoy/pull/37743/commits/6cf8afda956ba67c9afad185b962325a5242ef02
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-q9qv-8j52-77p3
- https://github.com/envoyproxy/envoy/releases/tag/v1.29.12
- https://github.com/envoyproxy/envoy/releases/tag/v1.30.9
- https://github.com/envoyproxy/envoy/releases/tag/v1.31.5