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Security Bulletin: Multiple vulnerabilities affect IBM Sterling Secure Proxy Configuration Manager

Security Bulletin


Summary

Several vulnerabilities affect the Configuration Manager of the IBM Sterling Secure Proxy (SSP) product. The SSP Configuration Manager typically runs in the Secure Zone, and is not accessible from the internet.

Vulnerability Details

CVEID: CVE-2016-6026
DESCRIPTION: The Sterling Secure Proxy Configuration Manager (SSP CM) is vulnerable to a man-in-the-middle attack by allowing HTTP methods other than GET or POST.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/116877 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID: CVE-2016-6027
DESCRIPTION: IBM Sterling Secure Proxy Configuration Manager could allow an attacker within the secure zone to obtain sensitive information, caused by the failure to properly enable HTTP Strict Transport Security. An attacker could exploit this vulnerability to obtain sensitive information using man in the middle techniques.
CVSS Base Score: 5.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/116879 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

CVEID: CVE-2016-6025
DESCRIPTION: IBM Sterling Secure Proxy Configuration Manager is vulnerable to a session reuse attack. After a local user logs off, they may manipulate the URL to regain access to the logged in session.
CVSS Base Score: 4.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/116876 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2016-6023
DESCRIPTION: IBM Sterling Secure Proxy Configuration Manager could allow an attacker within the secure zone to traverse directories on the system. An attacker could send a specially crafted URL request to view arbitrary files on the system.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/116866 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

IBM Sterling Secure Proxy 3.4.3 GA
IBM Sterling Secure Proxy 3.4.2 through 3.4.2.0 iFix 7

Remediation/Fixes

Product VRMF APAR How to acquire fix
IBM Sterling Secure Proxy 3.4.3.0 iFix 1 Fix Central
IBM Sterling Secure Proxy 3.4.2.0 iFix 8 Fix Central

Workarounds and Mitigations

None

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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.

References

Related information

Acknowledgement

None.

Change History

29 September 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.

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.

Document information

More support for: Sterling Secure Proxy

Software version: 3.4.2, 3.4.3

Operating system(s): AIX, HP-UX, Linux, Solaris, Windows

Reference #: 1991278

Modified date: 29 September 2016


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