Security Bulletin
Summary
An attacker running a program on the same machine as where the victim is running a program could use CPU timing information to discover key information.
Vulnerability Details
Subscribe to My Notifications to be notified of important product support alerts like this.
|
CVE ID: CVE-2014-0076
Description: An attacker running a program on the same machine as where the victim is running a program could use CPU timing information to discover key information about certain kinds of binary type Elliptic Curves used in Digital signatures during signing operations. Although GSKit only generates Prime type Elliptic Curves, externally generated keys may be imported in GSKit.
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
The IBM GSKit is used if ClearCase on Windows platforms is configured to integrate with IBM Rational ClearQuest with communication over SSL (https). This applies to Base CC/CQ integrations using Change Management Interface (CMI) and to UCM-enabled CQ integration via OSLC. If your ClearCase deployment is not using these integrations with ClearQuest, or not using SSL with the integrations, then your deployment is not sensitive to this attack. The UCM-enabled CQ integration without using OSLC (SQUID) is not sensitive to this attack.
The IBM GSKit is also used by CCRC WAN server for ClearCase 8.0.0.x/8.0.1.x (all platforms) when supporting SSL connections with IBM HTTP Server version 8 or higher.
CCRC WAN Server
CCRC WAN Server Version (all platforms) | Status |
8.0.1.x | Affected |
8.0.0.x | Affected if you use IBM HTTP Server version 8 or higher |
7.0.x, 7.1.0.x, 7.1.1.x, 7.1.2.x | Not affected |
CMI and OSLC integrations
ClearCase Windows Client Version | Status |
8.0.1 through 8.0.1.3 | Affected if you use CMI or OSLC integrations |
8.0 through 8.0.0.10 | Affected if you use CMI or OSLC integrations |
7.1.2 through 7.1.2.13 | Affected if you use CMI or OSLC integrations |
7.0.x, 7.1.0.x, 7.1.1.x | Not affected |
Remediation/Fixes
The solution is to upgrade to a fix pack of ClearCase that has a newer GSKit component that corrects these vulnerabilities, and to update the IBM HTTP Server. Please see below for information on the fixes available.
Affected Versions | Applying the fix to Windows clients using an integration |
8.0.1.x | Install Rational ClearCase Fix Pack 4 (8.0.1.4) for 8.0.1 |
8.0.0.x | Install Rational ClearCase Fix Pack 11 (8.0.0.11) for 8.0 |
7.1.2.x | Install Rational ClearCase Fix Pack 14 (7.1.2.14) for 7.1.2 |
Install a fix to IBM HTTP Server if you use SSL on your WAN server and you use IBM HTTP Server version 8 or higher. You need the fix for APAR PI19700. Consult IHS security bulletin 1676092 for the details of the fix.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Acknowledgement
None
Change History
* 24 June 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.
Internal Use Only
IBM20140507-1735-14 Advisory DB ID = 1731 record 36465
Was this topic helpful?
Document Information
Modified date:
10 July 2018
UID
swg21672608