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

Created by John T Kohl on
Published URL:
https://www.ibm.com/support/pages/node/506727
506727

Security Bulletin


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 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.

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References

Complete CVSS v2 Guide
On-line Calculator v2

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

* 20 December 2013: Original copy 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.

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Document Information

Modified date:
10 July 2018

UID

swg21660286

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