Vulnerability identifier: #VU88183

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-2653

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
HTTP
Server applications / Web servers
http-client
Universal components / Libraries / Libraries used by multiple products

Vendor: AMPHP

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

HTTP: 2.0.0 - 2.1.0, 1.0.0 - 1.7.2

http-client: 4.0.0

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

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.