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AUSCERT Security Bulletin
ASB-2013.0079
A number of security vulnerabilities have been identified in WordPress
24 June 2013
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AusCERT Security Bulletin Summary
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Product: WordPress
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Modify Permissions -- Existing Account
Cross-site Request Forgery -- Remote with User Interaction
Denial of Service -- Remote/Unauthenticated
Cross-site Scripting -- Remote with User Interaction
Unauthorised Access -- Existing Account
Resolution: Patch/Upgrade
Member content until: Wednesday, July 24 2013
OVERVIEW
A number of security vulnerabilities have been identified in WordPress
prior to version 3.5.2. [1]
IMPACT
The vendor has provided the following details regarding these
vulnerabilities:
"Blocking server-side request forgery attacks, which could potentially
enable an attacker to gain access to a site." [1]
"Disallow contributors from improperly publishing posts, reported by
Konstantin Kovshenin, or reassigning the post's authorship, reported by
Luke Bryan." [1]
"An update to the SWFUpload external library to fix cross-site
scripting vulnerabilities. Reported by mala and Szymon Gruszecki."[1]
"Prevention of a denial of service attack, affecting sites using
password-protected posts." [1]
"An update to an external TinyMCE library to fix a cross-site scripting
vulnerability. Reported by Wan Ikram." [1]
"Multiple fixes for cross-site scripting. Reported by Andrea Santese
and Rodrigo." [1]
"Avoid disclosing a full file path when a upload fails. Reported by
Jakub Galczyk." [1]
MITIGATION
The vendor recommends that administrators update to the latest
version of WordPress to correct these issues. [1]
REFERENCES
[1] WordPress 3.5.2 Maintenance and Security Release
http://wordpress.org/news/2013/06/wordpress-3-5-2/
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.
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
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.
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