Multiple vulnerabilities in Waitress

Published: 2024-11-01

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-49768 CVE-2024-49769
CWE-ID	CWE-444 CWE-400
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	waitress Other software / Other software solutions
Vendor	Pylons Project

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU99613

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 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: No

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

CPE2.3

External links

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

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.

2) Resource exhaustion

EUVDB-ID: #VU99623

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-2024-49769

CWE-ID: CWE-400 - Resource exhaustion