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AUSCERT External Security Bulletin Redistribution
Security Bulletin: Rational Systems Tester is affected by
Libxml2 vulnerability (CVE-2015-8710)
26 May 2016
AusCERT Security Bulletin Summary
Product: IBM Rational Systems Tester
Operating System: Linux variants
Impact/Access: Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2015-8710
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Security Bulletin: Rational Systems Tester is affected by Libxml2
More support for:
Rational Systems Tester
3.3, 18.104.22.168, 22.214.171.124, 126.96.36.199, 188.8.131.52, 184.108.40.206, 220.127.116.11
Denial-Of-service vulnerability has been discovered in Libxml2 that was
reported on Dec 31, 2015
Description: Libxml2 is vulnerable to a denial of service, caused by an
out-of-bounds memory access when parsing an unclosed HTML comment. By using
the ""<!--"" HTML comment without close, a remote attacker could exploit this
vulnerability to trigger an out-of-bounds read and cause the system to crash.
CVSS Base Score: 5.3
CVSS Temporal Score:
https://exchange.xforce.ibmcloud.com/vulnerabilities/110076 for more
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)
Affected Products and Versions
3.3, 18.104.22.168, 22.214.171.124, 126.96.36.199, 188.8.131.52, 184.108.40.206, 220.127.116.11, 18.104.22.168
Upgrade to Rational Systems Tester Interim Fix 4 for 22.214.171.124.
Rational Systems Tester (126.96.36.199.iFix4, Windows)
Rational Systems Tester (188.8.131.52.iFix4, Linux)
Workarounds and Mitigations
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IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
19 May 2016: 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.
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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