Security Bulletin: A security vulnerability has been identified in IBM WebSphere Application Server shipped with IBM Rational ClearCase (CVE-2015-0899)

Security Bulletin

Summary

IBM WebSphere Application Server (WAS) is shipped as a component of IBM Rational ClearCase. Information about a security vulnerability affecting WAS has been published in a security bulletin.

Vulnerability Details

Refer to the security bulletin(s) listed in the Remediation/Fixes section.

Affected Products and Versions

IBM Rational ClearCase, ClearCase Remote Client (CCRC) WAN server component.

Versions 8.0.0.x, 8.0.1.x, 9.0.0.x, 9.0.1.x:

This vulnerability only applies to the CCRC WAN server component, and only for certain levels of WebSphere Application Server.

Remediation/Fixes

Refer to the following security bulletins for vulnerability details and information about fixes addressed by IBM WebSphere Application Server (WAS) which is shipped with IBM Rational ClearCase.

Principal Product and Version(s)	Affected Supporting Product and Version	Affected Supporting Product Security Bulletin
IBM Rational ClearCase, versions 8.0.0.x, 8.0.1.x, 9.0.0.x, 9.0.1.x	IBM WebSphere Application Server 7.0, 8.0, 8.5 and 9.0.	Security Bulletin: Information Disclosure in WebSphere Application Server (CVE-2015-0899)

ClearCase Versions	Applying the fix
8.0.0.x, 8.0.1.x, 9.0.0.x, 9.0.1.x	Determine the WAS version used by your CCRC WAN server. Navigate to the CCRC profile directory (either the profile you specified when installing ClearCase, or `<ccase-home>/common/ccrcprofile`), then execute the script: `bin/versionInfo.sh` (UNIX) or `bin\versionInfo.bat` (Windows). The output includes a section "IBM WebSphere Application Server". Make note of the version listed in this section. Identify the latest available fix (per the bulletin listed above) for the version of WAS used for CCRC WAN server. Apply the appropriate WebSphere Application Server fix directly to your CCRC WAN server host. No ClearCase-specific steps are necessary.

For 7.0.x, 7.1.x, 8.0.x and earlier releases, IBM recommends upgrading to a fixed, supported version/release/platform of the product.

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

Complete CVSS v2 Guide
On-line Calculator v2

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Change History

12 July 2018: 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

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

Internal Use Only

Adv.11552;ProdRec.117264

CVEID: CVE-2015-0899
DESCRIPTION: Apache Struts could allow a remote attacker to bypass security restrictions, caused by an error in the MultiPageValidator implementation. An attacker could exploit this vulnerability using a modified page parameter to bypass restrictions and launch further attacks on the system. This vulnerability also affects other products.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/101770 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

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Tips

Security Bulletin: A security vulnerability has been identified in IBM WebSphere Application Server shipped with IBM Rational ClearCase (CVE-2015-0899)