---------------------------------------------------------------------- Get a tax break on purchases of Secunia Solutions! If you are a U.S. company, you may be qualified for a tax break for your software purchases. Learn more at: http://secunia.com/products/corporate/vim/section_179/ ---------------------------------------------------------------------- TITLE: LotusCMS Multiple Vulnerabilities SECUNIA ADVISORY ID: SA43682 VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/43682/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=43682 RELEASE DATE: 2011-03-16 DISCUSS ADVISORY: http://secunia.com/advisories/43682/#comments AVAILABLE ON SITE AND IN CUSTOMER AREA: * Last Update * Popularity * Comments * Criticality Level * Impact * Where * Solution Status * Operating System / Software * CVE Reference(s) http://secunia.com/advisories/43682/ ONLY AVAILABLE IN CUSTOMER AREA: * Authentication Level * Report Reliability * Secunia PoC * Secunia Analysis * Systems Affected * Approve Distribution * Remediation Status * Secunia CVSS Score * CVSS https://ca.secunia.com/?page=viewadvisory&vuln_id=43682 ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI: * AUTOMATED SCANNING http://secunia.com/vulnerability_scanning/personal/ http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/ DESCRIPTION: A weakness and multiple vulnerabilities have been discovered in LotusCMS, which can be exploited by malicious users to disclose sensitive information and compromise a vulnerable system and by malicious people to conduct cross-site scripting and request forgery attacks, disclose sensitive information, and compromise a vulnerable system. 1) Input passed via the "active" parameter to index.php (when "system" is set to "Users" or "Editor" and "page" is set to "edit" or "editor") is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site. 2) The application allows users to perform certain actions via HTTP requests without making proper validity checks to verify the requests. This can be exploited to e.g. add an administrator to the application or conduct script insertion attacks by tricking an administrator into visiting a malicious web site while being logged-in to the application. 3) The "saveFile()" function in core/lib/cacher.php script displays different error messages depending on the existence of a user passed via the "page" parameter to index.php. This can be exploited to enumerate existing users of the system via directory traversal sequences. 4) The application stores backup files with a predictable file name inside the web root, which can be exploited to disclose sensitive information by downloading the file. 5) Input passed via the "active" parameter to index.php (when "system" is set to "Editor" and "page" is set to "editor") is not properly verified before being used to read files. This can be exploited to read arbitrary files from local resources via directory traversal sequences and URL-encoded NULL bytes. Successful exploitation of this vulnerability requires "editor" access and that "magic_quotes_gpc" is disabled. 6) Input passed via the "page" parameter to index.php is not properly verified in the "openFile()" function in core/model/PageModel.php before being used to read files. This can be exploited to read arbitrary files from local resources via directory traversal sequences and URL-encoded NULL bytes. Successful exploitation of this vulnerability requires that "magic_quotes_gpc" is disabled. 7) The vulnerability is caused due to the "FileManger" module not properly validating uploaded file types, which can be exploited to execute arbitrary PHP code by uploading a PHP file. Successful exploitation of this vulnerability requires "editor" access. 8) Input passed via the "req" parameter to index.php (when system" is set to "Modules", "page" is set to "admin", and "active" is set to Menu") is not properly sanitised before being used in an "eval()" call. This can be exploited to execute arbitrary PHP code. Successful exploitation of this vulnerability requires "editor" access. 9) Input passed via the "page" parameter to index.php is not properly sanitised in the "Router()" function in core/lib/router.php before being used in an "eval()" call. This can be exploited to execute arbitrary PHP code. Successful exploitation of this vulnerability requires that "magic_quotes_gpc" is disabled. The vulnerabilities are confirmed in version 3.0.3. Other versions may also be affected. SOLUTION: Update to version 3.0.5, which fixes vulnerabilities #1, #3, #5, and #6. Do not browse untrusted web sites or follow untrusted links while being logged-in to the application. Restrict access to the modules/Backup/zips directory (e.g. via .htaccess). Grant only trusted users "editor" access. Edit the source code to ensure that input is properly sanitised. PROVIDED AND/OR DISCOVERED BY: 1, 3-5, and 7-9) Secunia Research 2, 6) Independently discovered by Secunia Research and High-Tech Bridge SA. ORIGINAL ADVISORY: Secunia Research: http://secunia.com/secunia_research/2011-15/ http://secunia.com/secunia_research/2011-16/ http://secunia.com/secunia_research/2011-17/ http://secunia.com/secunia_research/2011-18/ http://secunia.com/secunia_research/2011-19/ http://secunia.com/secunia_research/2011-20/ http://secunia.com/secunia_research/2011-21/ LotusCMS: http://forum.lotuscms.org/viewtopic.php?f=3&t=159 High-Tech Bridge SA: http://www.htbridge.ch/advisory/xsrf_csrf_in_lotuscms.html http://www.htbridge.ch/advisory/file_content_disclosure_in_lotuscms.html OTHER REFERENCES: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ DEEP LINKS: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ EXTENDED DESCRIPTION: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ EXTENDED SOLUTION: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ EXPLOIT: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help private users keeping their systems up to date against the latest vulnerabilities. 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