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Security Bulletin: Rational ClearQuest affected by vulnerability in OpenSSL (CVE-2014-0076)

Security Bulletin


Summary

A security vulnerability has been discovered in OpenSSL. Some configurations of IBM rational ClearQuest may expose this vulnerability.

Vulnerability Details

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CVE-ID: CVE-2014-0076

Description: OpenSSL could allow a local attacker to obtain sensitive information, caused by an implementation error in ECDSA (Elliptic Curve Digital Signature Algorithm). An attacker could exploit this vulnerability using the FLUSH+RELOAD cache side-channel attack to recover ECDSA nonces. This vulnerability can only be exploited locally, authentication is not required and the exploit is not complex. An exploit can only partially affect confidentiality, but not integrity or availability.

CVSS Base Score: 2.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/91990
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N)

Affected Products and Versions

IBM Rational ClearQuest versions:

  • 7.1.1 through 7.1.1.9
  • 7.1.2 through 7.1.2.13
  • 8.0 through 8.0.0.10
  • 8.0.1 through 8.0.1.3.

Note: Versions earlier than 7.1.1 are not affected.

OpenSSL is shipped as embedded in cqperl.

Rational ClearQuest does not provide any services using OpenSSL.

No server component is affected.

You are vulnerable if:

  1. You use OpenSSL in the perl hooks/scripts

    and

  2. Your perl hooks/scripts communicate with a server that uses ECDSA server certificates

    and

  3. Your perl hooks/scripts use client certificates with ECDSA.

Notes:
  • If your server uses other certificate types, you are not vulnerable.
  • If you do not use client certificates, you are not vulnerable.

Remediation/Fixes

Workarounds and Mitigations

You can avoid the issue as follows:


    • Avoid using ECDSA certificates (client or server) until you apply the fixes.

    • Avoid using SSL operations with ECDSA in perl hooks/scripts until you apply the fixes.

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

None

Change History

* 22 April 2014: 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:
16 June 2018

UID

swg21670905