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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2016.1620 Security Bulletin: IBM Tealeaf Customer Experience installers vulnerable to attack (CVE-2016-2542) 29 June 2016 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Tealeaf Customer Experience Publisher: IBM Operating System: Windows Linux variants Virtualisation Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2016-2542 Reference: ESB-2016.0805 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=swg21981024 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: IBM Tealeaf Customer Experience installers vulnerable to attack (CVE-2016-2542) Security Bulletin Document information More support for: Tealeaf Customer Experience Software version: Version Independent Operating system(s): Platform Independent Reference #: 1981024 Modified date: 2016-06-28 Summary Installation programs for the Microsoft Windows components of IBM Tealeaf Customer Experience are vulnerable to attack under certain conditions. Vulnerability Details CVEID: CVE-2016-2542 DESCRIPTION: Flexera InstallShield could allow a remote attacker to execute arbitrary code on the system. The application does not directly specify the fully qualified path to a dynamic-linked library (schannel.dll) when running on Microsoft Windows. By persuading a victim to open a specially-crafted file from a WebDAV or SMB share using a vulnerable application, a remote attacker could exploit this vulnerability via a specially-crafted library to execute arbitrary code on the system. CVSS Base Score: 8.8 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/110914 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) Affected Products and Versions IBM Tealeaf Customer Experience: v8.0-v9.0.2 Remediation/Fixes Product VRMF Remediation/First Fix IBM Tealeaf Customer Experience all versions Discard any Windows installation images containing a 'setup.exe' file in the image root and download new images from the original source. Where new images are not available, you can contact the Technical Support team for guidance. Workarounds and Mitigations When running any Tealeaf Windows installation or upgrade program with a 'setup.exe' file, ensure that the directory from which the installation is run and all other directories listed in the PATH environment variable do not contain untrusted versions of any executable files. Get Notified about Future Security Bulletins Subscribe to My Notifications to be notified of important product support alerts like this. References Complete CVSS v3 Guide On-line Calculator v3 Related information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History 28 June 2016 Initial publication *The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin. Disclaimer According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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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 iQIVAwUBV3NA44x+lLeg9Ub1AQgoMRAAqZJF3k7tsTi/UIMeAW7Tv4ZpkjjgBmw6 cGVMecingL53hs5stPwGn7iGizWuyiN7ippTJUzGqWeO4Ib8nYiHOLvF7vCqlHGP FAwPx8iO9V1VbowPt1emZiFTSEk9yEnDC+kvNODXqSH1FbmJZZ/8DuHO8gsDE24J AfxytXCzsSb46zB33PM0EscrejUK+14WFCK7+w6cXZtDWdMqleBG9ca5gBe7gOKc 2IIhYe6Jf1n57GRpvIloMsa0x7hkDJg0QluwFNQpJ4QU4iU3o78o5nmLvGPrG9My KlYaeGQsC9xdUCxjCTW2VMDkbwaMbZlIBS8WaGgYT/dS3gi//bVx9mAjOYm3UGch j2Ies9m/EM5vigiW+2PBk1X0c9km5SI1KzGIBQtiYvznnS+IcmTwGe9eF0EFnH6U 4Kplf+8M8QVS6PXMyB+WC5ko1KwMt751D1INZTpHrjdji8oTxmP6eK+7M9MVoGBg ba2Levfp6+SWzoy+mVrdIVTwL4upFe5zFg6m8MHlH03JRnhKNwq8qGrHdVPV3cRV 5HxDRNhm9ZmJkOsIxJYnJ3UdlRklfXE5JBwHpaliH0Fg5iLWaB/PGo+ioDdtePJE yVQaaxA8YdW5RcPLB6NUdA96c1a2z5GAniEoLcwPTygDbVUe1YOwCIpWabIA84Sw qMkiwKuUrVg= =kNAV -----END PGP SIGNATURE-----