############################################################################### MYRE Real Estate Software Multiple XSS and SQL Injection Vulnerabilities SecPod Technologies (www.secpod.com) Author: Sooraj K.S ############################################################################### SecPod ID: 1020 20/07/2011 Issue Discovered 03/08/2011 Vendor Notified No Response from Vendor 07/09/2011 Advisory Released Class: Cross-Site Scripting / SQL Injection Severity: High Overview: --------- MYRE Real Estate Software is prone to multiple cross-site scripting and SQL injection vulnerabilities. Technical Description: ---------------------- MYRE Real Estate Software is prone to multiple cross-site scripting and SQL injection vulnerabilities because it fails to properly sanitise user-supplied input. 1) Input passed to the 'page' parameter in findagent.php is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code. 2) Input passed to the 'country1', 'state1', and 'city1' parameters in findagent.php is not properly verified before it is returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in the context of a vulnerable site. This may allow the attacker to steal cookie-based authentication credentials and to launch other attacks. Impact: -------- Successful exploitation could allow an attacker to steal cookie-based authentication credentials, compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database. Affected Software: ------------------ MYRE Real Estate Software Reference: --------- http://myrephp.com http://secpod.org/blog/?p=346 http://secpod.org/advisories/SECPOD_MRS_SQL_XSS_Vuln.txt Proof of Concept: ----------------- 1) SQL Injection http://myrephp.com/realestate/findagent.php?page=' 2) XSS (a) http://myrephp.com/realestate/findagent.php?country1=<script>alert(/XSS/)</script> (b) http://myrephp.com/realestate/findagent.php?country1=&state1=<script>alert(/XSS/)</script> (c) http://myrephp.com/realestate/findagent.php?country1=&state1=&city1=<script>alert(/XSS/)</script> Solution: ---------- Fix not available Risk Factor: ------------- CVSS Score Report: ACCESS_VECTOR = NETWORK ACCESS_COMPLEXITY = LOW AUTHENTICATION = NONE CONFIDENTIALITY_IMPACT = PARTIAL INTEGRITY_IMPACT = PARTIAL AVAILABILITY_IMPACT = PARTIAL EXPLOITABILITY = PROOF_OF_CONCEPT REMEDIATION_LEVEL = UNAVAILABLE REPORT_CONFIDENCE = CONFIRMED CVSS Base Score = 7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) Credits: -------- Sooraj K.S of SecPod Technologies has been credited with the discovery of this vulnerability.