Security Bulletin: Tivoli Endpoint Manager TLS 1.1 and 1.2 AES-NI crash (CVE-2012-2686)

Flash (Alert)


Abstract

A flaw in the OpenSSL handling of CBC ciphersuites in TLS 1.1 and TLS 1.2 on AES-NI supporting platforms can be exploited in a DoS attack.

Content

VULNERABILITY DETAILS:

DESCRIPTION:
A flaw in the OpenSSL handling of CBC ciphersuites in TLS 1.1 and TLS 1.2 on AES-NI supporting platforms can be exploited in a DoS attack.

CVEID: CVE- 2012-2686
CVSS Base Score: 5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/81903 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

AFFECTED PRODUCTS AND VERSIONS:
Tivoli Endpoint Manager versions earlier than 8.2.1372.

REMEDIATION:

Fix* How to acquire fix
TEM 8.2.1372+ (Platform Release) Download and Install the latest version of the TEM server platform (8.2.1372+)

Workaround(s):
None

Mitigation(s):
None

REFERENCES:
· Complete CVSS Guide
· On-line Calculator V2
· CVE- 2012-2686
· X-Force Vulnerability Database http://xforce.iss.net/xforce/xfdb/81903


RELATED INFORMATION:
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

ACKNOWLEDGEMENT
Thanks go to Adam Langley <agl@chromium.org> for initially discovering the
bug and developing a fix and to Wolfgang Ettlingers wolfgang.ettlinger@gmail.com for independently discovering this issue.

CHANGE HISTORY
April, 2013: Original Copy 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 Flash.

Note: 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.


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Document information


More support for:

Tivoli Endpoint Manager

Software version:

All Versions

Operating system(s):

Windows

Reference #:

1633352

Modified date:

2013-10-18

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