SB2021050627 - HTTP response splitting in Django
Published: May 6, 2021
Security Bulletin ID
SB2021050627
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) HTTP response splitting (CVE-ID: CVE-2021-32052)
The vulnerability allows a remote attacker to perform HTTP splitting attacks.
The vulnerability exists due to software does not correctly processes CRLF character sequences in URLValidator. A remote attacker can send specially crafted request containing CRLF sequence and make the application to send a split HTTP response.
Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.
Note, the vulnerability affects Django installations on Python 3.9.5+.
Remediation
Install update from vendor's website.