WordPress wp-pass.php security bypass

wordpress-wppass-security-bypass (35272) The risk level is classified as MediumMedium Risk

Description:

WordPress could allow a remote attacker to bypass cross-domain security restrictions, caused by a redirection vulnerability in the wp-pass.php script. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to bypass cross-domain security restrictions, perform cross-site scripting attacks, conduct phishing attacks, and possibly execute arbitrary code on the system.

*CVSS:

Base Score: 2.8
  Access Vector: Remote
  Access Complexity: High
  Authentication: Not Required
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 2.1
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Bypass Security

Remedy:

Upgrade to the latest version of Wordpress (2.2.2 or later), available from the WordPress Web site. See References.

References:

  • BugTraq Mailing List, Thu Jul 05 2007 - 10:14:20 CDT: Redirection Vulnerability in wp-pass.php, WordPress 2.2.1.
  • WordPress Web site: WordPress.
  • CVE-2007-3639: WordPress before 2.2.2 allows remote attackers to redirect visitors to other websites and potentially obtain sensitive information via (1) the _wp_http_referer parameter to wp-pass.php, related to the wp_get_referer function in wp-includes/functions.php; and possibly other vectors related to (2) wp-includes/pluggable.php and (3) the wp_nonce_ays function in wp-includes/functions.php.
  • DSA-1564: wordpress -- multiple vulnerabilities
  • OSVDB ID: 40802: WordPress wp-pass.php _wp_http_referer Variable Arbitrary Site Redirect

Platforms Affected:

  • Debian Debian Linux 4.0
  • WordPress WordPress 2.2.1

Reported:

Jul 05, 2007

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* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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