#VU61675 CRLF injection


Published: 2022-03-29

Vulnerability identifier: #VU61675

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-0391

CWE-ID: CWE-93

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Python
Universal components / Libraries / Scripting languages

Vendor: Python.org

Description

The vulnerability allows a remote attacker to inject arbitrary data in server response.

The vulnerability exists due to insufficient validation of attacker-supplied data within the urllib.parse module in Python. A remote attacker can pass specially crafted data to the application containing CR-LF characters and modify application behavior.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Python: 3.7 - 3.9.4


CPE

External links
http://bugs.python.org/issue43882
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CSD2YBXP3ZF44E44QMIIAR5VTO35KTRB/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UDBDBAU6HUPZHISBOARTXZ5GKHF2VH5U/
http://security.netapp.com/advisory/ntap-20220225-0009/


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


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