SB2022032903 - CRLF injection in Python urllib.parse
Published: March 29, 2022
Security Bulletin ID
SB2022032903
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) CRLF injection (CVE-ID: CVE-2022-0391)
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.
Remediation
Install update from vendor's website.
References
- https://bugs.python.org/issue43882
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CSD2YBXP3ZF44E44QMIIAR5VTO35KTRB/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UDBDBAU6HUPZHISBOARTXZ5GKHF2VH5U/
- https://security.netapp.com/advisory/ntap-20220225-0009/