Security Bulletin
Summary
IBM HTTP Server (IHS) is shipped as a component of IBM Rational ClearCase. Information about a security vulnerability affecting IHS has been published in a security bulletin.
Vulnerability Details
Refer to the security bulletin(s) listed in the Remediation/Fixes section.
Affected Products and Versions
IBM Rational ClearCase, ClearCase Remote Client (CCRC) WAN server/CM Server component.
Versions 8.0.0.x, 8.0.1.x, 9.0.0.x, 9.0.1:
This vulnerability only applies to the CCRC WAN server component.
Versions 7.1.x.x, : Not affected.
Remediation/Fixes
Refer to the following security bulletins for vulnerability details and information about fixes addressed by IBM HTTP Server (IHS) which is shipped with IBM Rational ClearCase.
| Principal Product and Version(s) | Affected Supporting Product and Version | Affected Supporting Product Security Bulletin |
| IBM Rational ClearCase, versions 8.0.0.x, 8.0.1.x, 9.0.0.x, 9.0.1 | IBM HTTP Server versions 8.5.5, 8.5, 8.0, and 7.0 | Security Bulletin: Potential vulnerability in IBM HTTP Server (CVE-2017-7679, CVE-2017-7668, CVE-2017-3167) |
ClearCase Versions | Applying the fix |
| 8.0.0.x, 8.0.1.x, 9.0.0.x, 9.0.1 | Apply the appropriate IBM HTTP Server fix directly to your CCRC WAN server host. No ClearCase-specific steps are necessary. |
Get Notified about Future Security Bulletins
Important Note
IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.
References
Change History
31 July 2017: 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
CVEID: CVE-2017-7679
DESCRIPTION: Apache HTTPD could allow a remote attacker to obtain sensitive information, caused by a buffer overread in mod_mime. By sending a specially crafted Content-Type response header, a remote attacker could exploit this vulnerability to read one byte past the end of a buffer.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/127420 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
CVEID: CVE-2017-7668
DESCRIPTION: Apache HTTPD is vulnerable to a denial of service, caused by a buffer overread in the ap_find_token() function. By sending a specially crafted sequence of request headers, a remote attacker could exploit this vulnerability to cause a segmentation fault.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/127419 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVEID: CVE-2017-3167
DESCRIPTION: Apache HTTPD could allow a remote attacker to bypass security restrictions, caused by the use of the ap_get_basic_auth_pw() function by third-party modules outside of the authentication phase. A remote attacker could exploit this vulnerability to bypass authentication requirements.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/127416 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
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Document Information
Modified date:
10 July 2018
UID
swg22006309