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AUSCERT External Security Bulletin Redistribution
Security Bulletin: Malformed ECParameters causes infinite
21 August 2015
AusCERT Security Bulletin Summary
Product: IBM TXSeries
Operating System: AIX
Impact/Access: Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2015-1788
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Security Bulletin: Malformed ECParameters causes infinite loop (CVE-2015-1788)
More support for:
TXSeries for Multiplatforms
7.1, 8.1, 8.2
AIX, HP Itanium, Linux/x86, Solaris, Windows
Malformed ECParameters causes infinite loop (CVE-2015-1788) vulnerability
affects TXSeries for Multiplatforms
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by an error
when processing an ECParameters structure over a specially crafted binary
polynomial field. A remote attacker could exploit this vulnerability to cause
the application to enter into an infinite loop.
CVSS Base Score: 5
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/103778 for the current
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Affected Products and Versions
TXSeries for Multiplatforms V7.1, V8.1, V8.2
In Fix Central, search for the following APARs to obtain the fix.
TXSeries for Multiplatforms 7.1 APAR: IV74872
TXSeries for Multiplatforms 8.1 APAR: IV76073
TXSeries for Multiplatforms 8.2 APAR: IV76078
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*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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