Security Bulletin
Summary
IBM Rational ClearCase is affected by cURL/libcURL vulnerabilities.
Vulnerability Details
CVEID: CVE-2018-1000007
DESCRIPTION: cURL liburl could allow a remote attacker to obtain sensitive information, caused by a flaw when passing on custom Authorization: headers. By sending a specially-crafted HTTP redirects request, a remote attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/138218 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
CVEID: CVE-2018-1000005
DESCRIPTION: cURL libcurl is vulnerable to a denial of service, caused by an out-of-bounds read flaw in code handling HTTP/2 trailers. By sending specially-crafted HTTP/2 trailer data, a remote attacker could exploit this vulnerability to cause a denial of service or information disclosure condition.
CVSS Base Score: 9.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/138219 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)
Affected Products and Versions
The cURL component is used in the CMI integration, the OSLC-based ClearQuest integration, and in the automatic view client.
ClearCase client version | Status |
9.0.1 through 9.0.1.2 | Affected |
9.0 through 9.0.0.6 | Affected |
8.0.1 through 8.0.1.16 | Affected |
8.0 through 8.0.0.21 | Affected |
Remediation/Fixes
The solution is to upgrade to a fix pack of ClearCase that fixes the vulnerabilities in the cURL component.
Affected Versions | Applying the fix |
9.0.1 through 9.0.1.2 9.0 through 9.0.0.6 | Install Rational ClearCase Fix Pack 3 (9.0.1.3) for 9.0.1 |
8.0.1 through 8.0.1.16 8.0 through 8.0.0.21 | Install Rational ClearCase Fix Pack 17 (8.0.1.17) for 8.0.1 |
Workarounds and Mitigations
None
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References
Change History
30 April 2018: 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
swg22014495