Resource exhaustion in HTTP and http-client - CVE-2024-2653

Vulnerability identifier: #VU88183

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-2024-2653

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.

HTTP
http-client

Install updates from vendor's website.

HTTP - addressed in versions 1.7.3, 2.1.1
http-client - update to 4.1.0

• https://github.com/amphp/http/security/advisories/GHSA-qjfw-cvjf-f4fm
• https://github.com/amphp/http-client/security/advisories/GHSA-w8gf-g2vq-j2f4

• Denial of service in AMPHP HTTP server and client