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Date: Sun, 30 Aug 2015 21:09:02 +0800
From: Jing Wang <justqdjing@...il.com>
To: fulldisclosure@...lists.org, oss-security@...ts.openwall.com
Subject: KnowledgeTree OSS 3.0.3b Reflected XSS (Cross-site Scripting) Web
 Application 0-Day Security Bug

*KnowledgeTree OSS 3.0.3b Reflected XSS (Cross-site Scripting) Web
Application 0-Day Security Bug*



Exploit Title: KnowledgeTree login.php &errorMessage parameter Reflected
XSS Web Security Vulnerability
Product: Knowledge Tree Document Management System
Vendor: Knowledge Inc
Vulnerable Versions: OSS 3.0.3b
Tested Version: OSS 3.0.3b
Advisory Publication: August 22, 2015
Latest Update: August 31, 2015
Vulnerability Type: Cross-Site Scripting [CWE-79]
CVE Reference:
Impact CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 (MEDIUM) (AV:N/AC:M/Au:N/C:N/I:P/A:N) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with
attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification
Discover and Reporter: Wang Jing [School of Physical and Mathematical
Sciences (SPMS), Nanyang Technological University (NTU), Singapore]
(@...tqdjing)









*Suggestion Details:*


*(1) Vendor & Product Description:*


*Vendor:*
KnowledgeTree



*Product & Vulnerable Versions:*
Knowledge Tree Document Management System
OSS 3.0.3b



*Vendor URL & Download:*
Product can be obtained from here,
http://download.cnet.com/KnowledgeTree-Document-Management-System/3000-10743_4-10632972.html
http://www.knowledgetree.com/




*Product Introduction Overview:*
"KnowledgeTree is open source document management software designed for
business people to use and install. Seamlessly connect people, ideas, and
processes to satisfy all your collaboration, compliance, and business
process requirements. KnowledgeTree works with Microsoft® Office®,
Microsoft® Windows® and Linux®."







*(2) Vulnerability Details:*
KnowledgeTree web application has a computer security problem. Hackers can
exploit it by reflected XSS cyber attacks. This may allow a remote attacker
to create a specially crafted request that would execute arbitrary script
code in a user's browser session within the trust relationship between
their browser and the server.

Several other similar products 0-day vulnerabilities have been found by
some other bug hunter researchers before. KnowledgeTree has patched some of
them. "Bugtraq is an electronic mailing list dedicated to issues about
computer security. On-topic issues are new discussions about
vulnerabilities, vendor security-related announcements, methods of
exploitation, and how to fix them. It is a high-volume mailing list, and
almost all new vulnerabilities are discussed there.". It has listed similar
exploits, such as Bugtraq (Security Focus) 32920.



*(2.1) *The code flaw occurs at "&errorMessage" parameter in "login.php"
page.

One similar bug is CVE-2008-5858. Its X-Force ID is 47529.








*References:*
http://tetraph.com/security/xss-vulnerability/knowledgetree-oss-3-0-3b-reflected-xss/
http://securityrelated.blogspot.com/2015/08/knowledgetree-oss-303b-reflected-xss.html
http://seclists.org/fulldisclosure/2015/May/31
https://progressive-comp.com/?l=full-disclosure&m=143110966112898&w=1
https://packetstormsecurity.com/files/132927/PhotoPost-PHP-4.8c-Cross-Site-Scripting.html
http://whitehatpost.blog.163.com/blog/static/242232054201573084141976/
https://hackertopic.wordpress.com/2015/08/22/knowledgetree-oss-3-0-3b-reflected-xss/
http://lists.openwall.net/full-disclosure/2015/03/10/5
http://marc.info/?l=full-disclosure&m=143251239323317&w=4
https://www.mail-archive.com/fulldisclosure%40seclists.org/msg01415.html








--
Jing Wang,
Division of Mathematical Sciences (MAS),
School of Physical and Mathematical Sciences (SPMS),
Nanyang Technological University (NTU), Singapore.
http://www.tetraph.com/wangjing/
https://twitter.com/justqdjing

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