19 August 2009
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT Security Bulletin ASB-2009.1058 WordPress 2.8.4: Security Release 20 August 2009 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: WordPress Operating System: Windows UNIX variants (UNIX, Linux, OSX) Impact/Access: Increased Privileges -- Remote/Unauthenticated Modify Arbitrary Files -- Remote/Unauthenticated Cross-site Scripting -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2009-2854 CVE-2009-2853 CVE-2009-2851 Member content until: Saturday, September 19 2009 OVERVIEW WordPress has released an update to correct multiple security flaws. IMPACT CVE-2009-2851 - "Cross-site scripting (XSS) vulnerability in the administrator interface in WordPress before 2.8.2 allows remote attackers to inject arbitrary web script or HTML via a comment author URL."  CVE-2009-2853 - "Wordpress before 2.8.3 allows remote attackers to gain privileges via a direct request to (1) admin-footer.php, (2) edit-category-form.php, (3) edit-form-advanced.php, (4) edit-form-comment.php, (5) edit-link-category-form.php, (6) edit-link-form.php, (7) edit-page-form.php, and (8) edit-tag-form.php in wp-admin/."  CVE-2009-2854 - "Wordpress before 2.8.3 does not check capabilities for certain actions, which allows remote attackers to make unauthorized edits or additions via a direct request to (1) edit-comments.php, (2) edit-pages.php, (3) edit.php, (4) edit-category-form.php, (5) edit-link-category-form.php, (6) edit-tag-form.php, (7) export.php, (8) import.php, or (9) link-add.php in wp-admin/."  In versions 2.8.3 and prior it may also be possible for an attacker to perform a password reset via a specially crafted URL. MITIGATION It is advised to update your WordPress installation to the latest version which at the time of writing is 2.8.4.  REFERENCES  CVE-2009-2851 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-2851  WordPress 2.8.3: Security Release http://wordpress.org/development/2009/08/wordpress-2-8-3-security-release/  CVE-2009-2853 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-2853  CVE-2009-2854 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-2854  WordPress 2.8.4: Security Release http://wordpress.org/development/2009/08/2-8-4-security-release/ AusCERT has made every effort to ensure that the information contained in this document is accurate. However, the decision to use the information described is the responsibility of each user or organisation. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: firstname.lastname@example.org Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://www.auscert.org.au/1967 iD8DBQFKjOMhNVH5XJJInbgRAi61AJ9BJYVK6H9mHFP3OEry9MWkjAAC4gCfQn1Z x4xtHuMfPG7x823oU3CF93w= =IkaR -----END PGP SIGNATURE-----