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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2015.2099 Cisco TelePresence Video Communication Server Expressway Information Disclosure Vulnerability 13 August 2015 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco TelePresence Video Communication Server Expressway Publisher: Cisco Systems Operating System: Cisco Impact/Access: Access Confidential Data -- Existing Account Resolution: Mitigation CVE Names: CVE-2015-4314 Original Bulletin: http://tools.cisco.com/security/center/viewAlert.x?alertId=40439 - --------------------------BEGIN INCLUDED TEXT-------------------- Vulnerability Alert Cisco TelePresence Video Communication Server Expressway Information Disclosure Vulnerability Threat Type: CWE-200: Information Leak / Disclosure IntelliShield ID: 40439 Version: 1 First Published: 2015 August 12 19:19 GMT Last Published: 2015 August 12 19:19 GMT Port: Not available CVE: CVE-2015-4314 Urgency: Unlikely Use Credibility: Confirmed Severity: Mild Damage CVSS Base: 4.0 CVSS Temporal: 3.8 Version Summary: Cisco TelePresence Video Communication Server Expressway contains a vulnerability that could allow an authenticated, remote attacker to access sensitive information on a targeted device. Updates are unavailable. Description A vulnerability in the System Snapshot of Cisco TelePresence Video Communication Server (VCS) Expressway could allow an authenticated, remote attacker to view sensitive data. The vulnerability is due to insufficient protection of data at rest. An attacker could exploit this vulnerability by downloading the snapshot file and viewing the password hashes in it. An exploit could allow the attacker to crack the password hashes and use the credentials to launch further attacks. Cisco has confirmed the vulnerability; however, software updates are not available. Warning Indicators At the time this alert was first published, Cisco VCS Expressway version X8.5.1 was vulnerable. Later releases of Cisco VCS Expressway may also be vulnerable. IntelliShield Analysis To exploit this vulnerability, an attacker requires authenticated access to the targeted system. Authenticated access may require the attacker to access trusted, internal networks. These requirements could limit the likelihood of a successful exploit. Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available. Vendor Announcements Cisco has released bug ID CSCuv40422 for registered users, which contains additional details and an up-to-date list of affected product versions. Impact An authenticated, remote attacker could exploit this vulnerability to crack the password hashes and use credentials to launch further attacks. Technical Information Additional technical information is unavailable. Safeguards Administrators are advised to apply the appropriate updates. Administrators are advised to allow only trusted users to access local systems. Administrators are advised to allow only trusted users to have network access. Administrators are advised to allow only privileged users to access administration or management systems. Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems. Administrators are advised to monitor affected systems. Patches/Software Software updates are not available. Alert History Initial Release Product Sets The security vulnerability applies to the following combinations of products. Primary Products: Cisco Cisco TelePresence Video Communication Server (VCS) Expressway X8.5 .1 Associated Products: N/A 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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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBVcwWEX6ZAP0PgtI9AQKAzg//cV+7ax+ZvFsizh3vTEiwBQkrEHtd1RLR 6h4llGnu1qEK/ESP6XcF31n1MkN100Mr7cBgrrCsGQmhr32Mv/s2dgCmMJ2o5XOT h1q+6wARn85Lj9A4PJSggtozFdC9PecA6xmY3l1v3xpw41KxQLBR/lD3m6EBrMhG RVy917g+3VWdJOei/wkFuTB22DNfOSUaEt21iBmX8iJBKVYXeeYprcyf/Fy5zqFn VYEMe9QZS8HVROsE40rxOMStjtN8cbl8VseayIOdIRg/Kx/i2IUtpFzoatZFvIJh n0Opnft+yZyAd5SuWXyKrtkjCOJAc5kPRbWm/tFq/kuckHge3FHNjdirWhRC2jRT bk0ZcTz3rd/CxJg/WxEWeAI5m33/D1nZ668vb4tm3Yi7IKCUipoq+GXVY6+otnRP vStSJDEimbJdU492G+pFNwv6sdCkuQ8X2lCXQbcLYYCMprwEdPe0qQr+/6j3baMc d1yZFOZNwEO5UQfBn6aGkZJfYWFgXhhGH3sJkGdiGcOKPJauhkcLqW0b+6enLMQt 8y8+GUI1Ub3EHC4O/HBYU7saocNOezmMwrmgNLkVGamvOgkeujbJRx70XK7bbaKX e2KjtoljCWjfX4hRoVGePtwsdfR7cMG6z9DvcmEJdgq4oSMb4F1fUvCCk+0fRE0g M4xeMyMMJBM= =uiGk -----END PGP SIGNATURE-----