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AUSCERT External Security Bulletin Redistribution
ESB-2015.3201
Security Bulletin: Vulnerabilities in OpenSSL affect IBM Sterling
Connect:Express for UNIX (CVE-2015-3194, CVE-2015-3195, CVE-2015-3196)
22 December 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Sterling Connect:Express for UNIX
Publisher: IBM
Operating System: AIX
HP-UX
Solaris
Linux variants
Impact/Access: Denial of Service -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2015-3196 CVE-2015-3195 CVE-2015-3194
Reference: ESB-2015.3115
ESB-2015.3050
ESB-2015.3042
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg21972758
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Security Bulletin: Vulnerabilities in OpenSSL affect IBM Sterling
Connect:Express for UNIX (CVE-2015-3194, CVE-2015-3195, CVE-2015-3196)
Security Bulletin
Document information
More support for:
Sterling Connect:Express for UNIX
Software version:
1.4, 1.5
Operating system(s):
AIX, HP-UX, Linux, Solaris
Software edition:
All Editions
Reference #:
1972758
Modified date:
2015-12-17
Summary
OpenSSL vulnerabilities were disclosed on December 3, 2015 by the OpenSSL
Project. OpenSSL is used by IBM Sterling Connect:Express for UNIX. IBM
Sterling Connect:Express for UNIX has addressed the applicable CVEs.
Vulnerability Details
CVEID: CVE-2015-3194
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a NULL
pointer dereference when verifying certificates via a malformed routine. An
attacker could exploit this vulnerability using signature verification
routines with an absent PSS parameter to cause any certificate verification
operation to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/108503 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-2015-3195
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive
information, caused by a memory leak in a malformed X509_ATTRIBUTE structure.
An attacker could exploit this vulnerability to obtain CMS data and other
sensitive information.
CVSS Base Score: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/108504 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-2015-3196
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a race
condition when PSK identity hints are received by a multi-threaded client and
the SSL_CTX structure is updated with the incorrect value. An attacker could
exploit this vulnerability to possibly corrupt memory and cause a denial of
service.
CVSS Base Score: 3.7
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/108505 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
IBM Sterling Connect:Express for UNIX 1.4.6
- - All versions prior to 1.4.6.1 iFix 146-112
IBM Sterling Connect:Express for UNIX 1.5.0.12
- - All versions prior to 1.5.0.12 iFix 150-1205
Remediation/Fixes
The recommended solution is to apply the fix as soon as practical. Please see
below for information about the available fixes
VRMF Remediation
1.4.6 Please contact your local IBM Remote Technical Support Center to request Connect:Express 1.4.6.1 iFix 146-113
1.5.0.12 Apply 1.5.0.12 iFix 150-1206, available on Fix Central Note: A fix for CVE-2015-3196 was provided in OpenSSL versions 1.0.1p and 1.0.2d and was previously addressed by IBM Sterling Connect:Express for UNIX.
Workarounds and Mitigations
None, fix must be applied.
Get Notified about Future Security Bulletins
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alerts like this.
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
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
17 December 2015: 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.
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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