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Security Bulletin: Kernel Buffer Overflow in IBM Security Trusteer Rapport for MacOS (CVE-2018-1985)

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

  • 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

IBM Security Rapport for MacOS with version below 3.6.1908.26.

Remediation/Fixes

IBM Security Rapport for MacOS version 3.6.1908.26 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.

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References

Off

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.

Internal Use Only

Advisory 13059 Records 119764

Document Location

Worldwide

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Document Information

Modified date:
27 February 2019

UID

ibm10869212