WordPress feed.php code execution

wordpress-feed-code-execution (32804) The risk level is classified as HighHigh Risk

Description:

WordPress could allow a remote attacker to execute arbitrary code on the system caused by improper validation of input by the feed.php script. A remote attacker could send a specially-crafted request using the ix parameter to execute arbitrary PHP code on the system with the privileges of the Web server.

*CVSS:

Base Score: 7
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 5.2
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of WordPress (2.1.2 or later), available from the WordPress Web site. See References.

References:

  • WordPress Blog, March 2, 2007: WORDPRESS 2.1.1 DANGEROUS, UPGRADE .
  • WordPress Web site: WordPress.
  • BID-22797: Wordpress 2.1.1 Command Execution Backdoor Vulnerability
  • BID-23321: Microsoft Windows Explorer BMP Image Denial of Service Vulnerability
  • CVE-2007-1277: WordPress 2.1.1, as downloaded from some official distribution sites during February and March 2007, contains an externally introduced backdoor that allows remote attackers to execute arbitrary commands via (1) an eval injection vulnerability in the ix parameter to wp-includes/feed.php, and (2) an untrusted passthru call in the iz parameter to wp-includes/theme.php.
  • SA24374: WordPress Command Execution and PHP "eval()" Injection
  • US-CERT VU#214480: WordPress fails to properly sanitize input passed to the ix parameter in wp-includes/feed.php
  • US-CERT VU#641456: WordPress fails to properly sanitize input passed to the iz parameter in wp-includes/theme.php
  • VUPEN/ADV-2007-0812: WordPress comment_text_phpfilter() and get_theme_mcommand() Vulnerabilities

Platforms Affected:

  • WordPress WordPress 2.1.1

Reported:

Mar 02, 2007

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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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