Vulnerability identifier: #VU99613

Vulnerability risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-49768

CWE-ID: CWE-444

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
waitress
Other software / Other software solutions

Vendor: Pylons Project

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

waitress: 2.0.0 - 3.0.0

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External links
http://github.com/Pylons/waitress/security/advisories/GHSA-9298-4cf8-g4wj
http://github.com/Pylons/waitress/commit/e4359018537af376cf24bd13616d861e2fb76f65

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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.