Security Bulletin:Vulnerability with Diffie-Hellman ciphers may affect IBM WebSphere Application Server shipped with Tivoli Network Manager IP Edition(CVE-2015-4000)

Created by Chandra Patel on Thu, 06/04/2015 - 17:02

Security Bulletin

Summary

The LogJam Attack on Diffie-Hellman ciphers (CVE-2015-4000) may affect some configurations of IBM WebSphere Application Server Full Profile, IBM WebSphere Application Server Liberty Profile, and IBM WebSphere Application Server Hypervisor Edition. The IBM HTTP Server used by WebSphere Application Server is not affected.

Vulnerability Details

Please consult the security bulletin for Security Bulletin: Vulnerability with Diffie-Hellman ciphers may affect IBM WebSphere Application Server (CVE-2015-4000) vulnerability details and information about fixes.

CVEID: CVE-2015-4000
DESCRIPTION: The TLS protocol could allow a remote attacker to obtain sensitive information, caused by the failure to properly convey a DHE_EXPORT ciphersuite choice. An attacker could exploit this vulnerability using man-in-the-middle techniques to force a downgrade to 512-bit export-grade cipher. Successful exploitation could allow an attacker to recover the session key as well as modify the contents of the traffic. This vulnerability is commonly referred to as "Logjam".
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/103294 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)

Affected Products and Versions

Affected Product and Version(s)	Product and Version shipped as a component
Tivoli Network Manager 3.8	Bundled the TIP version 1.1.1.x, which bundles IBM WebSphere version 6.1.0.x.
Tivoli Network Manager 3.9	Bundled the TIP version 2.1.0.x, which bundles IBM WebSphere version 7.0.0.x.
Tivoli Network Manager 4.1 and 4.1.1	Bundled the TIP version 2.2.0.x, which bundles IBM WebSphere version 7.0.0.x.

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References

Complete CVSS v2 Guide
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*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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Tips

Security Bulletin:Vulnerability with Diffie-Hellman ciphers may affect IBM WebSphere Application Server shipped with Tivoli Network Manager IP Edition(CVE-2015-4000)