CVE-2021-3737

 

Published at: - 04-03-2022 08:15

Last modified: - 25-07-2022 08:16

Total changes: - 8

Description

A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming CPU time. The highest threat from this vulnerability is to system availability.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

 

Verification logic

 

Reference

• https://github.com/python/cpython/pull/25916
• https://bugzilla.redhat.com/show_bug.cgi?id=1995162
• https://ubuntu.com/security/CVE-2021-3737
• https://github.com/python/cpython/pull/26503
• https://bugs.python.org/issue44022
• https://python-security.readthedocs.io/vuln/urllib-100-continue-loop.html
• https://security.netapp.com/advisory/ntap-20220407-0009/
• N/A-

 

Keywords

NVD

 

CVE-2021-3737

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures