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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2024-49769 Detail

Description

Waitress is a Web Server Gateway Interface server for Python 2 and 3. When a remote client closes the connection before waitress has had the opportunity to call getpeername() waitress won't correctly clean up the connection leading to the main thread attempting to write to a socket that no longer exists, but not removing it from the list of sockets to attempt to process. This leads to a busy-loop calling the write function. A remote attacker could run waitress out of available sockets with very little resources required. Waitress 3.0.1 contains fixes that remove the race condition.


Metrics

 
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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/Pylons/waitress/commit/1ae4e894c9f76543bee06584001583fc6fa8c95c Patch 
https://github.com/Pylons/waitress/issues/418 Issue Tracking 
https://github.com/Pylons/waitress/pull/435 Patch 
https://github.com/Pylons/waitress/security/advisories/GHSA-3f84-rpwh-47g6 Vendor Advisory 
https://lists.debian.org/debian-lts-announce/2024/11/msg00012.html

Weakness Enumeration

CWE-ID CWE Name Source
CWE-772 Missing Release of Resource after Effective Lifetime GitHub, Inc.  

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-49769
NVD Published Date:
10/29/2024
NVD Last Modified:
11/21/2024
Source:
GitHub, Inc.