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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2071
Security Bulletin: OpenSSL vulnerabilities affect IBM Rational Team Concert
                               17 July 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Rational Team Concert
Publisher:         IBM
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Access Privileged Data -- Remote/Unauthenticated      
                   Denial of Service      -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-0739 CVE-2017-3738 CVE-2017-3737
                   CVE-2016-0701  

Reference:         ASB-2018.0155
                   ASB-2018.0134
                   ESB-2016.0279
                   ESB-2016.0250

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm10717223

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Security Bulletin: OpenSSL vulnerabilities affect IBM Rational Team Concert

Document information

More support for: Rational Team Concert

Software version: 5.0.x, 6.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.0.5

Operating system(s): Platform Independent

Reference #: 0717223

Modified date: 16 July 2018

Security Bulletin

Summary

OpenSSL vulnerabilities were disclosed by the OpenSSL Project. OpenSSL
is used by Rational BuildForge Agent shipped with IBM Rational Team
Concert. Rational BuildForge has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2018-0739
DESCRIPTION: OpenSSL is vulnerable to a denial of service. By sending
specially crafted ASN.1 data with a recursive definition, a remote attacker
could exploit this vulnerability to consume excessive stack memory.
CVSS Base Score : 5.3
CVSS Temporal Score : See
https://exchange.xforce.ibmcloud.com/vulnerabilities/140847 for the current score.
CVSS Environmental Score* : Undefined
CVSS Vector : (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID: CVE-2017-3738
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive
information, caused by an overflow bug in the AVX2 Montgomery multiplication
procedure used in exponentiation with 1024-bit moduli. An attacker could
exploit this vulnerability to obtain information about the private key. Note:
In order to exploit this vulnerability, the server would have to share the
DH1024 private key among multiple clients, which is no longer an option
since CVE-2016-0701.
CVSS Base Score: 3.1
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/136078 for the current score.
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2017-3737
DESCRIPTION: An unspecified vulnerability in multiple Oracle products could
allow an unauthenticated attacker to cause low confidentiality impact,
low integrity impact, and high availability impact.
CVSS Base Score: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/136077 for the current score.
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

Rational Collaborative Lifecycle Management 5.0 - 6.0.6

Rational Team Concert 5.0 - 5.0.2
Rational Team Concert 6.0 - 6.0.6

Remediation/Fixes

Upgrade your Rational Build Forge Agent to version 8.0.0.8 from: Download
link.

Workarounds and Mitigations

None
Important Note

IBM strongly suggests that all System z customers be subscribed to the
System z Security Portal to receive the latest critical System z security
and integrity service. If you are not subscribed, see the instructions
on the System z Security web site. Security and integrity APARs and
associated fixes will be posted to this portal. IBM suggests reviewing
the CVSS scores and applying all security or integrity fixes as soon as
possible to minimize any potential risk.

Change History

16 July 2018: 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.

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