CVE-2020-26137

 

Published at: - 30-09-2020 08:15

Last modified: - 25-07-2022 08:15

Total changes: - 5

Description

urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of putrequest(). NOTE: this is similar to CVE-2020-26116.

Common Vulnerability Scoring System (CVSS)

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

 

Verification logic

 

Reference

• https://bugs.python.org/issue39603
• https://github.com/urllib3/urllib3/commit/1dd69c5c5982fae7c87a620d487c2ebf7a6b436b
• https://github.com/urllib3/urllib3/pull/1800
• USN-4570-1-Third Party Advisory
• [debian-lts-announce] 20210615 [SECURITY] [DLA 2686-1] python-urllib3 security update-Mailing List, Third Party Advisory
• https://www.oracle.com/security-alerts/cpuoct2021.html
• N/A-

 

Keywords

NVD

 

CVE-2020-26137

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures