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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2015.0696 Cisco WebEx Meetings Server Administrative Portal Cross-Site Scripting Vulnerability 23 March 2015 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco WebEx Meetings Server Publisher: Cisco Systems Operating System: VMware ESX Server Cisco Impact/Access: Cross-site Scripting -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2015-0668 Original Bulletin: http://tools.cisco.com/security/center/viewAlert.x?alertId=37934 - --------------------------BEGIN INCLUDED TEXT-------------------- Vulnerability Alert Cisco WebEx Meetings Server Administrative Portal Cross-Site Scripting Vulnerability Threat Type: CWE-79: Cross-Site Scripting (XSS) IntelliShield ID: 37934 Version: 1 First Published: 2015 March 19 17:49 GMT Last Published: 2015 March 19 17:49 GMT Port: Not available CVE: CVE-2015-0668 Urgency: Unlikely Use Credibility: Confirmed Severity: Mild Damage CVSS Base: 4.3 CVSS Calculator CVSS Version 2.0 CVSS Temporal: 3.7 Version Summary: Cisco WebEx Meetings Server contains a vulnerability that could allow an unauthenticated, remote attacker to conduct cross-site scripting attacks. Updates are available. Description A vulnerability in the administration portal page of the Cisco WebEx Meetings Server could allow an unauthenticated, remote attacker to conduct cross-site scripting (XSS) attacks. The vulnerability is due to insufficient validation of user-supplied input submitted to the administration portal page of the affected software. An unauthenticated, remote attacker could exploit this vulnerability by convincing a user to visit a malicious website. If successful, the attacker could conduct an XSS attack and execute arbitrary scripts in the user's browser session or gain access to sensitive information. Cisco has confirmed the vulnerability and released software updates. Warning Indicators At the time this alert was first published, Cisco WebEx Meetings Server 2.5 and 2.5.99.2 were vulnerable. Later versions of Cisco WebEx Meetings Server may also be vulnerable. IntelliShield Analysis To exploit the vulnerability, the attacker may provide a link that directs a user to a malicious site and use misleading language or instructions to persuade the user to follow the link. Vendor Announcements Cisco has released bug ID CSCuq66737 for registered users that contains additional details and an up-to-date list of affected products versions. Impact An unauthenticated, remote attacker could exploit this vulnerability by convincing a user to visit a malicious website. If successful, the attacker could conduct an XSS attack and execute arbitrary scripts in the user's browser session or gain access to sensitive information. Technical Information The vulnerability is due to insufficient validation of user-supplied input submitted to the administration portal page of the affected software. An unauthenticated, remote attacker could exploit this vulnerability by convincing a user to visit a malicious website. If successful, the attacker could conduct an XSS attack and execute arbitrary scripts in the user's browser session or gain access to sensitive information. Safeguards Administrators are advised to apply the appropriate updates. Users should verify that unsolicited links are safe to follow. For additional information about XSS attacks and the methods used to exploit these vulnerabilities, see the Cisco Applied Mitigation Bulletin Understanding Cross-Site Scripting (XSS) Threat Vectors. Administrators are advised to monitor affected systems. Patches/Software Cisco customers with active contracts can obtain updates through the Software Center at the following link: Cisco. Cisco customers without contracts can obtain upgrades by contacting the Cisco Technical Assistance Center at 1-800-553-2447 or 1-408-526-7209 or via email at tac@cisco.com. Alert History Initial Release Product Sets The security vulnerability applies to the following combinations of products. Primary Products: Cisco Cisco WebEx Meetings Server 2.5 Base, .99.2 Associated Products: N/A Alerts and bulletins on the Cisco Security Intelligence Operations Portal are highlighted by analysts in the Cisco Threat Operations Center and represent a subset of the comprehensive content that is available through Cisco Security IntelliShield Alert Manager Service. This customizable threat and vulnerability alert service provides security staff with access to timely, accurate, and credible information about threats and vulnerabilities that may affect their environment. LEGAL DISCLAIMER The urgency and severity ratings of this alert are not tailored to individual users; users may value alerts differently based upon their network configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. 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Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBVQ9u7xLndAQH1ShLAQI77w/+Lywl5cl42WQP8pCsn6xIX5YARXe0aiO8 +x0IKjI9CQDIc8aqb6Az3RCeAMsZ7itIXOzM+T7vtgkVYcNzHmeVXl/ZyTY2CUVf PevCtqt/dd+pCiURUBdq/KN+wYoNOyXUZGDoOkxcQdzuSVWGA8xTmQQPFDo2r8eF udlxQ14yMK5WD1gZR6gDP+046CPgOFtLipTEyv9CdwxfNRf8vzVyYNTfI35LS86c JmDtVYXxXvnNwEeLwPWHKlzDxS7BBAocaUrshlEvM8762D+8M33iJ07d1Yy4g4H9 uVjvGHhftYBh0Dv6UwnDwTE4Y97B+iiKuH6OriqX4GT3Ga9PfHfT17jxsnuRgDMf ouqd7hjRbc5NnOztT5l/FaWCITCwSMphJgC2CkC9Qjj6Smg1M8M2BN2TxKMAGTHs PZ7/jaMunrh5Vyw5+vSswAdNwrX+qHkKYaPlW10EkqbXJ5RO//rOl3e/1UkrsPhq Iu7nvBqpn261M819198zhtV1U/bn20HoUbJwpW9Wvo0o/V3P/DWVQW/z3cbgcRDL a1DTvlHXEatbUX5bT7xrv79N2O1Jpz2pddfcjE0BSF2Xi806digxtVF+NnAaZIiS 8vUpJKlWQz/RPTB5OftQpS7uN3XWKVVrlXqG3FNkB1zRTQTPJw/yNVlwv1/ZS7/i Lq3lmi/PYXc= =xH+E -----END PGP SIGNATURE-----