Vulnerability identifier: #VU65327

Vulnerability risk: Medium

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31081

CWE-ID: CWE-444

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
HTTP-Daemon
Web applications / Modules and components for CMS

Vendor: Olaf Alders

Description

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

The vulnerability exists due to improper validation of HTTP requests. 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

HTTP-Daemon: 6.00 - 6.14

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External links
http://github.com/libwww-perl/HTTP-Daemon/commit/e84475de51d6fd7b29354a997413472a99db70b2
http://github.com/libwww-perl/HTTP-Daemon/commit/8dc5269d59e2d5d9eb1647d82c449ccd880f7fd0
http://portswigger.net/research/http-desync-attacks-request-smuggling-reborn
http://datatracker.ietf.org/doc/html/rfc7230#section-9.5
http://github.com/libwww-perl/HTTP-Daemon/security/advisories/GHSA-cg8c-pxmv-w7cf
http://metacpan.org/release/HTTP-Daemon/
http://cwe.mitre.org/data/definitions/444.html

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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.