#VU62077 Inconsistent interpretation of HTTP requests in Twisted Web - CVE-2022-24801

Vulnerability identifier: #VU62077

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-24801

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 preform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests within the twisted.web.http module. 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: 8.0.0 - 22.2.0

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External links
https://github.com/twisted/twisted/commit/592217e951363d60e9cd99c5bbfd23d4615043ac
https://github.com/twisted/twisted/releases/tag/twisted-22.4.0rc1
https://github.com/twisted/twisted/security/advisories/GHSA-c2jg-hw38-jrqq

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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.