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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.1732 Security Bulletin: Denial of Service when using e-community single sign on in IBM Security Access Manager for Web (CVE-2014-4809) 1 October 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Security Access Manager for Web Publisher: IBM Operating System: Network Appliance Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2014-4809 Original Bulletin: http://www-01.ibm.com/support/docview.wss?uid=swg21685246 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Denial of Service when using e-community single sign on in IBM Security Access Manager for Web (CVE-2014-4809) Document information More support for: IBM Security Access Manager for Web WebSEAL Software version: 7.0, 8.0.0.2, 8.0.0.4 Operating system(s): All Platforms Reference #: 1685246 Modified date: 2014-09-29 Security Bulletin Summary When using e-community single sign on (ECSSO), the WebSEAL component of IBM Security Access Manager for Web could become unresponsive under certain circumstances, possibly resulting in denial of service. Vulnerability Details CVE ID: CVE-2014-4809 DESCRIPTION: When configured to use e-community single sign on (ECSSO), the WebSEAL component of IBM Security Access Manager for Web could become unresponsive if a number of conditions exist. The vulnerability can be accessed from a remote network, is of high complexity and does not require authentication. A successful exploit could not compromise the confidentiality of the system, could not compromise the integrity of the system and could completely compromise the accessibility of the system. CVSS: CVSS Base Score: 5.4 CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/95376 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (AV:N/AC:H/Au:N/C:N/I:N/A:C) Affected Products and Versions IBM Security Access Manager for Web version 7.0 appliance: All firmware versions. IBM Security Access Manager for Web version 8.0: Firmware versions 8.0.0.2, 8.0.0.3, and 8.0.0.4 Remediation/Fixes IBM has provided patches for all affected versions. Follow the installation instructions in the README files included with the patch. Product VRMF APAR Remediation/First Fix IBM Security Access Manager for Web - 7.0 7.0.0.0 7.0.0.1 7.0.0.2 7.0.0.3 7.0.0.4 7.0.0.5 7.0.0.6 7.0.0.7 7.0.0.8 IV64915 7.0.0-ISS-WGA-IF0009 IBM Security Access Manager for Web - 8.0 8.0.0.2 8.0.0.3 8.0.0.4 IV64915 8.0.0-ISS-WGA-FP0005 Workarounds and Mitigations This vulnerability can be mitigated by disabling support for e-community single sign on. References Complete CVSS Guide On-line Calculator V2 Related information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Acknowledgement None Change History 29 September 2014: Original Version Published *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. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. 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 iQIVAwUBVCuEwRLndAQH1ShLAQJnoA/+J/nx4TW6aOdSS4fpWV3XIdC6DJ+2EVxC 5k3Q9J68i4OmUIUPUzLq36oFYSzQNsJgO3eqcknpgMkSJonNDlzGDX7g6aXIAPFl P+12KLpbjDogJN+ph9SoexOTBacyqOPNUu3aX+lJ6sM1NmfbyTSkEpgBRq9Ptlk6 tHOphQHU20omdmzm9/0OXVEkX35ZZld85C0p5mYrx6SCqOZNmNNIb/n017HXdHx6 mvKv0sbLcWisjz9V80Q/EbPWqnnAJ8ug+CA0TwWtd1t39RA+MQ9vB4YY/WVTya4q uV/Owsqb4y241pZU4o/WkdbYCQSlSmLEgDzsKbL2WsrW7xJQBYduUBWFwLk0S0T4 7rNmx/XILveyu2MKwMaCr44tNKMVTXLfzRf+ZjZ1KotzIWhAx7LMI89B5gOneFzX mQYL6lusMs/J5oU45RJBmv2wYQjILsVLbllT/iUBUHT/Gnxe/ImYrZe04moXsqRs nT791bP21rqzmxrm++AdrQLj/OeF2r2618VRtkEDsVG9HcHSmPeioYXz0e/Xxd0/ VY0l2y2DWoYm9JHEqvGEag4HpOU+VLk3LtPEUw0hp6Rk/FXv4KE5huqNO3+LP/Lp ThB8L3Go825BY3uTPKAIrezhTxdi90zOV4SGTXogNyMTQjJEZoZV8TXHhICnOwo0 xZi/DK7/zp8= =a2Ip -----END PGP SIGNATURE-----