#VU94852 Inconsistent interpretation of HTTP requests in Twisted Web - CVE-2024-41671

Vulnerability identifier: #VU94852

Vulnerability risk: High

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2024-41671

CWE-ID: CWE-444

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Twisted Web
Server applications / Web servers

Vendor: Twisted Matrix Labs

Description

The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests in twisted.web. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Twisted Web: 24.3.0

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External links
https://github.com/twisted/twisted/security/advisories/GHSA-c8m8-j448-xjx7
https://github.com/twisted/twisted/commit/046a164f89a0f08d3239ecebd750360f8914df33
https://github.com/twisted/twisted/commit/4a930de12fb67e88fefcb8822104152f42b27abc

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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. However, proof of concept for this vulnerability is available.