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Security Bulletin: HTTP response splitting attack affects IBM TS7700 Virtualization Engine (CVE-2015-2017)

Security Bulletin


There is a vulnerability in IBM WebSphere Application Server as used by the IBM TS7700 Virtualization Engine that could allow an HTTP response splitting attack.

Vulnerability Details

CVEID: CVE-2015-2017
IBM WebSphere Application Server is vulnerable to HTTP response splitting attacks. A remote attacker could exploit this vulnerability using specially-crafted URL to cause the server to return a split response, once the URL is clicked. This would allow the attacker to perform further attacks, such as Web cache poisoning, cross-site scripting, and possibly obtain sensitive information.
CVSS Base Score: 5
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N)

Affected Products and Versions

All versions of microcode for the IBM Virtualization Engine TS7700 models 3957-V07 and 3957-VEB prior to and including the following are affected:

Machine Type

IBM Virtualization Engine TS7700 models 3957-V06 and 3957-VEA running microcode levels up to and including are unaffected. TS7700 model 3957-VEC is unaffected at any microcode level.


Contact IBM Service at 1-800-IBM-SERV to arrange an upgrade to the latest microcode level. Minimum microcode levels are shown below:

Machine Type

3957V07Upgrade to or higher
3957VEBUpgrade to or higher

Workarounds and Mitigations

Although IBM recommends that you upgrade to the fixes identified above, you can mitigate, but not eliminate the risk of these vulnerabilities by restricting physical and network access to the TS7700 to authorized users and IBM Service Personnel only.

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Change History

9 November 2016: Original Version 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 Security Bulletin.


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

Modified date:
17 June 2018