SB2021052058 - Fedora 33 update for python2.7
Published: May 20, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Code Injection (CVE-ID: CVE-2020-27619)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to Python executed eval() function on the code, retrieved via HTTP protocol in Lib/test/multibytecodec_support.py CJK codec tests. A remote attacker with ability to intercept network traffic can perform a Man-in-the-Middle (MitM) attack and execute arbitrary Python code on the system.
2) Input validation error (CVE-ID: CVE-2021-23336)
The vulnerability allows a remote attacker to perform web cache spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input in django.utils.http.limited_parse_qsl() when parsing strings with a semicolon (";"). A remote attacker can pass specially crafted data to the application and perform a spoofing attack.
Remediation
Install update from vendor's website.