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AUSCERT External Security Bulletin Redistribution
ESB-2015.2196
Security Bulletin: Malformed ECParameters causes infinite
loop (CVE-2015-1788)
21 August 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM TXSeries
Publisher: IBM
Operating System: AIX
Linux variants
Solaris
Windows
HP Itanium
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2015-1788
Reference: ASB-2015.0081
ASB-2015.0065
ESB-2015.2193
ESB-2015.2117
ESB-2015.2113
ESB-2015.2081
ESB-2015.2040
ESB-2015.2033
ESB-2015.2029
ESB-2015.2016
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg21964734
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Security Bulletin: Malformed ECParameters causes infinite loop (CVE-2015-1788)
Document information
More support for:
TXSeries for Multiplatforms
Usability
Software version:
7.1, 8.1, 8.2
Operating system(s):
AIX, HP Itanium, Linux/x86, Solaris, Windows
Reference #:
1964734
Modified date:
2015-08-20
Security Bulletin
Summary
Malformed ECParameters causes infinite loop (CVE-2015-1788) vulnerability
affects TXSeries for Multiplatforms
Vulnerability Details
CVEID: CVE-2015-1788
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
score
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
Remediation/Fixes
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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References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
*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
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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