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Security Bulletin: Vulnerabilities in cURL component shipped with ClearCase (CVE-2014-0139)

Security Bulletin


Summary

An attacker could send a specially-crafted certificate to impersonate a server.

Vulnerability Details

CVEID: CVE-2014-0139
Description: cURL/libcURL could allow a remote attacker to bypass security restrictions, caused by an error in the hostmatch() function when validating certificates containing an IP address with a wildcard match within the Common Name field. By sending a specially-crafted SSL certificate containing wildcard characters, a remote attacker could exploit this vulnerability to spoof the server and launch further attacks on the system.

CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/92130 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

Affected Products and Versions

The cURL component is only used in the CMI integration and in the OSLC-based ClearQuest integration.

ClearCase client version
Status
8.0.1 through 8.0.1.5
Affected
8.0 through 8.0.0.12
Affected
7.1.2 through 7.1.2.15
Affected
7.1.0.x, 7.1.1.x (all versions and fix packs)
Not affected
7.0.x
Not affected

Remediation/Fixes

The solution is to upgrade to a fix pack of ClearCase that has a fix in the cURL component.

Affected Versions
Applying the fix
8.0.1.x
Install Rational ClearCase Fix Pack 6 (8.0.1.6)
8.0.0.x
Install Rational ClearCase Fix Pack 13 (8.0.0.13)
7.1.2.x
Customers with extended support contracts should install Rational ClearCase Fix Pack 16 (7.1.2.16)

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Complete CVSS v2 Guide
On-line Calculator v2

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

* 10 December 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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document information

More support for: Rational ClearCase
Integrations

Software version: 7.1.2, 7.1.2.1, 7.1.2.2, 7.1.2.3, 7.1.2.4, 7.1.2.5, 7.1.2.6, 7.1.2.7, 7.1.2.8, 7.1.2.9, 7.1.2.10, 7.1.2.11, 7.1.2.12, 7.1.2.13, 7.1.2.14, 7.1.2.15, 8.0, 8.0.0.1, 8.0.0.2, 8.0.0.3, 8.0.0.4, 8.0.0.5, 8.0.0.6, 8.0.0.7, 8.0.0.8, 8.0.0.9, 8.0.0.10, 8.0.0.11, 8.0.0.12, 8.0.1, 8.0.1.1, 8.0.1.2, 8.0.1.3, 8.0.1.4, 8.0.1.5

Operating system(s): AIX, HP-UX, Linux, Solaris, Windows

Reference #: 1677290

Modified date: 10 December 2014