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AUSCERT External Security Bulletin Redistribution
A security vulnerability has been identified in IBM HTTP Server shipped
with IBM Rational ClearCase (CVE-2018-17199)
6 May 2019
AusCERT Security Bulletin Summary
Product: Rational ClearCase
Operating System: AIX
Impact/Access: Unauthorised Access -- Remote/Unauthenticated
CVE Names: CVE-2018-17199
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Security Bulletin: A security vulnerability has been identified in IBM HTTP
Server shipped with IBM Rational ClearCase (CVE-2018-17199)
More support for: Rational ClearCase
Component: CCRC WAN Server
Software version: All versions
Operating system(s): AIX, HP-UX, Linux, Solaris, Windows
Reference #: 0876972
Modified date: 03 May 2019
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.
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 component.
This vulnerability only applies to the CCRC WAN server component, and only
for certain levels of IBM HTTP Server.
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, version 9.0.1.x IBM HTTP Server version 9.0. Security Bulletin: Security vulnerability in
the IBM HTTP Server (CVE-2018-17199)
ClearCase Versions Applying the fix
9.0.1.x Apply the appropriate IBM HTTP Server fix (see bulletin link above)
directly to your CCRC WAN server host. No ClearCase-specific steps
For 8.0.x and earlier releases, IBM recommends upgrading to a fixed,
supported version/release/platform of the product.
Workarounds and Mitigations
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.
Complete CVSS v3 Guide On-line Calculator v3
IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog
* 3 May 2019: Original version 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.
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.
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