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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