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CVE-2012-2921

Good to know:

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Date: May 21, 2012

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.

Language: Python

Severity Score

Related Resources (15)

http://freecode.com/projects/feedparser/releases/344371
https://code.google.com/p/feedparser/source/browse/trunk/NEWS?spec=svn706&r=706
https://web.archive.org/web/20120604210617/http://www.securityfocus.com/bid/53654
http://www.securityfocus.com/bid/53654
https://github.com/kurtmckee/feedparser
http://osvdb.org/81701
https://nvd.nist.gov/vuln/detail/CVE-2012-2921
https://github.com/pypa/advisory-database/tree/main/vulns/feedparser/PYSEC-2012-14.yaml
https://web.archive.org/web/20150523060531/http://www.mandriva.com/en/support/security/advisories/advisory/MDVSA-2013:118/?name=MDVSA-2013:118
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0157
https://github.com/advisories/GHSA-hjf3-r7gw-9rwg
https://code.google.com/p/feedparser/source/detail?r=703&path=/trunk/feedparser/feedparser.py
http://secunia.com/advisories/49256
http://www.mandriva.com/security/advisories?name=MDVSA-2013:118
https://www.mend.io/vulnerability-database/CVE-2012-2921

Severity Score

Weakness Type (CWE)

Improper Restriction of XML External Entity Reference

CWE-611

Resource Management Errors

CWE-399

Top Fix

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Upgrade Version

Upgrade to version feedparser - 5.1.2

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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