Resource exhaustion in envoy - CVE-2024-30255

Vulnerability identifier: #VU88181

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-2024-30255

CWE-ID: CWE-400

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to insufficient limitations placed on the amount of CONTINUATION frames that can be sent within a single HTTP/2 stream. A remote attacker can send specially crafted HTTP/2 requests to the server and perform a denial of service (DoS) attack.

envoy
FortiSandbox
FortiSwitch
OpenShift Service Mesh
Watson CP4D Data Stores

Install update from vendor's website.

envoy - addressed in versions 1.26.8, 1.27.4, 1.28.2, 1.29.3
FortiSandbox - update to 4.4.6
FortiSwitch - update to 7.4.4
OpenShift Service Mesh - update to 2.5.5
Watson CP4D Data Stores - update to 5.0.3

• https://github.com/envoyproxy/envoy/security/advisories/GHSA-j654-3ccm-vfmm

• Denial of service in Envoy
• IBM Watson CP4D Data Stores update for Envoy Proxy Envoy
• Multiple vulnerabilities in OpenShift Service Mesh 2.5
• Multiple HTTP/2 CONTINUATION frames vulnerabilities in FortiSandbox
• Multiple HTTP/2 CONTINUATION frames vulnerabilities in FortiSwitch