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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0641 IBM Security Bulletin: Kernel Buffer Overflow in IBM Security Trusteer Rapport for MacOS (CVE-2018-1985) 1 March 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Security Trusteer Rapport Publisher: IBM Operating System: Mac OS Impact/Access: Root Compromise -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2018-1985 Reference: ESB-2019.0320.2 ESB-2019.0314 ESB-2019.0254 ESB-2019.0207 ESB-2019.0118 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10869212 - --------------------------BEGIN INCLUDED TEXT-------------------- Kernel Buffer Overflow in IBM Security Trusteer Rapport for MacOS (CVE-2018-1985) Product: IBM Security Trusteer Rapport Software version: 3.6.1908.22 Operating system(s): OS X Reference #: 0869212 Security Bulletin Summary IBM Security Trusteer Rapport for MacOS is bundled with a driver which has a buffer overflow vulnerability. The affected driver was removed from the package. Vulnerability Details o CVEID: CVE-2018-1985 DESCRIPTION: IBM Trusteer Rapport/Apex contains an unused legacy driver which could allow a user with administrator privileges to cause a buffer overflow that could result in a kernel panic or arbitrary code execution. CVSS Base Score: 4.4 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/ vulnerabilities/154207 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H) Affected Products and Versions IBMSecurity Rapport for MacOS with version below 3.6.1908.26. Remediation/Fixes IBMSecurity Rapport for MacOS version3.6.1908.26 and higher does not include the vulnerable driver. IBM pushed the new version of Rapport to end users, which addresses this vulnerability and includes other updates, by January 6, 2019. As with any updates to the Rapport agent, we recommend that customers continue to reinforce messaging that their end users reboot their machines to incorporate the upgrade. Workarounds and Mitigations None. Reference Complete CVSS v3 Guide On-line Calculator v3 Related Information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Acknowledgement The vulnerability was reported to IBM by Neil Kettle of Trustwave. *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 iQIVAwUBXHi+KWaOgq3Tt24GAQi5hQ//eroHNlj8pZBM8uvQCLMnwg2tOSHUQbf+ WY+xtulVltDcmb5/Wmvgm9h9tksDahzJ2TH1jShxCxH0We7JzocjF2DOI8rnD3VR +r8QIz7SLoUPEZTuEPb5ThcRtGm7qm/W42bF6vLrdileOCe3Ql/SR/YMdy0NVS+n 55i/cTj3GHz1Xqs9nsojoGq0J3+nyoPieK3ouwu77r2WfwPLI7Xo7+9JZNYIBpvX owUFsADzgS1kfSN0Yw9WPmtFVq9XXc2qfW3sZ8y9MtMU3QUvcSyJFOkjOLxMj+9E kU9j5g7FST1ZtoGVcrBeK4ZfPZRjZUbiWYHW4Q5hvRSLTS4dWSDKgvEZCLKMH/JP 8Mmd9UtWDbLj55weppI96LnoBXZaBmTKVJUZYOE3N4brOaF4tewpslMKWH+3BodF D3N6YbMy4UlRVCt/7bYojCByiIcrvT8j/4SlOkD0w1qFM/wqbeRHujkYU8CJStNh A2rdYLde3IltfrdzB+BAy0WrjoSDlBxJUCrDNoW3Sk/lEUav4LB5PPmfJl4To3kM d6DVobLyxd/IF3wNt40czONpgKssovNctcl0hvG44UOtHn5IldrYzBNCU77//7pt IdQGqW75iE7BJrMUnthxR2+Zmq93UgsjhUWfozDhb7yNt9VOQ0Tm7grfuMmwshFc i90ZrgMnxQ8= =YTnU -----END PGP SIGNATURE-----