Security Bulletin: IBM Rational ClearCase CCRC WAN Server remote denial of service (CVE-2013-6329)

Summary

A vulnerability in relation to SSL/TLS Handshake Processing has been discovered related to the SSLV3 Session Resumption when using SSLV2.

Vulnerability Details

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  CVE ID: CVE-2013-6329

Description: A vulnerability in relation to SSL/TLS Handshake Processing has been discovered related to the SSLV3 Session Resumption when using SSLV2.

CVSS Base Score: 7.8 **CVSS Temporal Score:**See <https://exchange.xforce.ibmcloud.com/vulnerabilities/88939&gt; for the current score *CVSS Environmental Score:**Undefined CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C)

Affected Products and Versions

IBM Rational ClearCase, CCRC WAN server component, releases 8.0.x, 7.1.x, 7.0.x.

This vulnerability only applies to the WAN server component, not to other parts of IBM Rational ClearCase.

Remediation/Fixes

Update your CCRC WAN server system to a newer version of IBM HTTP Server.

• ClearCase release 7.0.x: Document 1295608 explains how to update IBM HTTP Server in the RWP component of ClearCase. Consult those instructions when applying the IHS interim fix listed in IHS security bulletin 1659548.
• ClearCase release 7.1.x: Document 1390803 explains how to update IBM HTTP Server for IBM Rational ClearCase WAN servers at release 7.1.x. Consult those instructions when applying the IHS interim fix, or applying IHS fix pack 7.0.0.33 or later, as described in IHS security bulletin 1659548.
• ClearCase release 8.0.x: Upgrade IBM HTTP Server to a version including the fix (see the IHS bulletin), or install the IHS interim fix. Consult IHS security bulletin 1659548 for the releases of IHS that contain the fixes, and apply the fixes relevant for your version of IHS. No ClearCase-specific steps are necessary.

Workarounds and Mitigations

Set SSL server configuration options as described in IHS security bulletin 1659548.