Vulnerability Details CVE-2011-4957
The make_clickable function in wp-includes/formatting.php in WordPress before 3.1.1 does not properly check URLs before passing them to the PCRE library, which allows remote attackers to cause a denial of service (crash) via a comment with a crafted URL that triggers many recursive calls.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.024
EPSS Ranking 84.4%
CVSS Severity
CVSS v2 Score 5.0
References
- http://core.trac.wordpress.org/ticket/16892
- http://secunia.com/advisories/44038
- http://secunia.com/advisories/49138
- http://wordpress.org/news/2011/04/wordpress-3-1-1/
- http://www.debian.org/security/2012/dsa-2470
- http://www.openwall.com/lists/oss-security/2012/04/19/17
- http://www.openwall.com/lists/oss-security/2012/04/19/6
- http://core.trac.wordpress.org/ticket/16892
- http://secunia.com/advisories/44038
- http://secunia.com/advisories/49138
- http://wordpress.org/news/2011/04/wordpress-3-1-1/
- http://www.debian.org/security/2012/dsa-2470
- http://www.openwall.com/lists/oss-security/2012/04/19/17
- http://www.openwall.com/lists/oss-security/2012/04/19/6
Products affected by CVE-2011-4957
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cpe:2.3:a:wordpress:wordpress:-
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cpe:2.3:a:wordpress:wordpress:0.71
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cpe:2.3:a:wordpress:wordpress:0.711
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cpe:2.3:a:wordpress:wordpress:0.72
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cpe:2.3:a:wordpress:wordpress:1.0
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cpe:2.3:a:wordpress:wordpress:1.0.1
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cpe:2.3:a:wordpress:wordpress:1.0.2
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cpe:2.3:a:wordpress:wordpress:1.1.1
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cpe:2.3:a:wordpress:wordpress:1.2
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cpe:2.3:a:wordpress:wordpress:1.2.1
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cpe:2.3:a:wordpress:wordpress:1.2.2
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cpe:2.3:a:wordpress:wordpress:1.2.3
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cpe:2.3:a:wordpress:wordpress:1.2.4
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cpe:2.3:a:wordpress:wordpress:1.2.5
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cpe:2.3:a:wordpress:wordpress:1.3
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cpe:2.3:a:wordpress:wordpress:1.3.2
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cpe:2.3:a:wordpress:wordpress:1.3.3
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cpe:2.3:a:wordpress:wordpress:1.5
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cpe:2.3:a:wordpress:wordpress:1.5.1
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cpe:2.3:a:wordpress:wordpress:1.5.1.1
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cpe:2.3:a:wordpress:wordpress:1.5.1.2
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cpe:2.3:a:wordpress:wordpress:1.5.1.3
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cpe:2.3:a:wordpress:wordpress:1.5.2
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cpe:2.3:a:wordpress:wordpress:1.6.2
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cpe:2.3:a:wordpress:wordpress:2.0
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cpe:2.3:a:wordpress:wordpress:2.0.1
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cpe:2.3:a:wordpress:wordpress:2.0.10
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cpe:2.3:a:wordpress:wordpress:2.0.11
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cpe:2.3:a:wordpress:wordpress:2.0.2
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cpe:2.3:a:wordpress:wordpress:2.0.3
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cpe:2.3:a:wordpress:wordpress:2.0.4
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cpe:2.3:a:wordpress:wordpress:2.0.5
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cpe:2.3:a:wordpress:wordpress:2.0.6
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cpe:2.3:a:wordpress:wordpress:2.0.7
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cpe:2.3:a:wordpress:wordpress:2.0.8
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cpe:2.3:a:wordpress:wordpress:2.0.9
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cpe:2.3:a:wordpress:wordpress:2.1
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cpe:2.3:a:wordpress:wordpress:2.1.1
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cpe:2.3:a:wordpress:wordpress:2.1.2
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cpe:2.3:a:wordpress:wordpress:2.1.3
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cpe:2.3:a:wordpress:wordpress:2.2
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cpe:2.3:a:wordpress:wordpress:2.2.1
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cpe:2.3:a:wordpress:wordpress:2.2.2
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cpe:2.3:a:wordpress:wordpress:2.2.3
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cpe:2.3:a:wordpress:wordpress:2.3
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cpe:2.3:a:wordpress:wordpress:2.3.1
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cpe:2.3:a:wordpress:wordpress:2.3.2
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cpe:2.3:a:wordpress:wordpress:2.3.3
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cpe:2.3:a:wordpress:wordpress:2.5
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cpe:2.3:a:wordpress:wordpress:2.5.1
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cpe:2.3:a:wordpress:wordpress:2.6
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cpe:2.3:a:wordpress:wordpress:2.6.1
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cpe:2.3:a:wordpress:wordpress:2.6.2
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cpe:2.3:a:wordpress:wordpress:2.6.3
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cpe:2.3:a:wordpress:wordpress:2.6.5
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cpe:2.3:a:wordpress:wordpress:2.7
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cpe:2.3:a:wordpress:wordpress:2.7.1
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cpe:2.3:a:wordpress:wordpress:2.8
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cpe:2.3:a:wordpress:wordpress:2.8.1
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cpe:2.3:a:wordpress:wordpress:2.8.2
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cpe:2.3:a:wordpress:wordpress:2.8.3
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cpe:2.3:a:wordpress:wordpress:2.8.4
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cpe:2.3:a:wordpress:wordpress:2.8.5
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cpe:2.3:a:wordpress:wordpress:2.8.5.1
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cpe:2.3:a:wordpress:wordpress:2.8.5.2
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cpe:2.3:a:wordpress:wordpress:2.8.6
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cpe:2.3:a:wordpress:wordpress:2.9
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cpe:2.3:a:wordpress:wordpress:2.9.1
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cpe:2.3:a:wordpress:wordpress:2.9.1.1
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cpe:2.3:a:wordpress:wordpress:2.9.2
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cpe:2.3:a:wordpress:wordpress:3.0
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cpe:2.3:a:wordpress:wordpress:3.0.1
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cpe:2.3:a:wordpress:wordpress:3.0.2
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cpe:2.3:a:wordpress:wordpress:3.0.3
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cpe:2.3:a:wordpress:wordpress:3.0.4
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cpe:2.3:a:wordpress:wordpress:3.0.5
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cpe:2.3:a:wordpress:wordpress:3.0.6
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cpe:2.3:a:wordpress:wordpress:3.1