CVE-2011-4957

CVSS V2 Medium 5 CVSS V3 None
Description
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.
Overview
  • CVE ID
  • CVE-2011-4957
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2012-06-27T21:55:02
  • Last Modified Date
  • 2012-06-28T12:57:22
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 1 OR 3.1
cpe:2.3:a:wordpress:wordpress:0.71:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.0.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.0.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.1.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.2.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.2.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.2.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.2.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.2.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.2.5:a:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.3.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.3.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.5.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.5.1.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.5.1.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.5.1.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:1.5.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.0.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.0.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.0.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.0.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.0.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.0.7:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.0.8:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.0.9:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.0.10:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.0.11:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.1.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.1.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.1.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.2.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.2.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.2.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.3.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.3.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.3.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.5.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.6.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.6.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.6.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.6.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.7:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.7.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.8:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.8.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.8.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.8.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.8.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.8.4:a:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.8.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.8.5.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.8.5.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.8.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.9:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.9.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.9.1.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:2.9.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:3.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:3.0.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:3.0.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:3.0.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:3.0.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:3.0.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:wordpress:wordpress:3.0.6:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
References
Reference URL Reference Tags
http://secunia.com/advisories/44038 Vendor Advisory
http://wordpress.org/news/2011/04/wordpress-3-1-1/
http://secunia.com/advisories/49138 Vendor Advisory
http://core.trac.wordpress.org/ticket/16892
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2011-4957
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4957
History
Created Old Value New Value Data Type Notes
2022-05-10 10:54:06 Added to TrackCVE