Resource management error in feedparser - CVE-2012-2921
Published: May 22, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU44055
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-2921
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
Universal Feed Parser (aka feedparser or python-feedparser) before 5.1.2 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML ENTITY declaration in a non-ASCII encoded document.
Affected software
feedparser
Fedora
python-feedparser
Fedora
python-feedparser
How to mitigate CVE-2012-2921
Install update from vendor's website.
python-feedparser - update to 5.1.2-2.el6
External References
- http://freecode.com/projects/feedparser/releases/344371
- http://osvdb.org/81701
- http://secunia.com/advisories/49256
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:118
- http://www.securityfocus.com/bid/53654
- https://code.google.com/p/feedparser/source/browse/trunk/NEWS?spec=svn706&r=706
- https://code.google.com/p/feedparser/source/detail?r=703&path=/trunk/feedparser/feedparser.py
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0157