Denial of service in Pylons Waitress



Published: 2022-06-07
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-31015
CWE-ID CWE-248
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 one medium risk vulnerability.

1) Uncaught Exception

EUVDB-ID: #VU64016

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31015

CWE-ID: CWE-248 - Uncaught Exception

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to uncaught exception. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

waitress: 2.1.0 - 2.1.1

External links

http://github.com/Pylons/waitress/pull/377
http://github.com/Pylons/waitress/issues/374
http://github.com/Pylons/waitress/security/advisories/GHSA-f5x9-8jwc-25rw
http://github.com/Pylons/waitress/commit/4f6789b035610e0552738cdc4b35ca809a592d48


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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