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AUSCERT External Security Bulletin Redistribution
ESB-2016.1469
Security Bulletin: Multiple vulnerabilities in OpenSSL
affect IBM Sterling B2B Integrator
10 June 2016
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Sterling B2B Integrator
Publisher: IBM
Operating System: AIX
HP-UX
IBM i
Linux variants
Solaris
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Access Privileged Data -- Remote with User Interaction
Denial of Service -- Remote/Unauthenticated
Provide Misleading Information -- Remote with User Interaction
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2016-2176 CVE-2016-2109 CVE-2016-2107
CVE-2016-2106 CVE-2016-2105
Reference: ESB-2016.1076
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg21984701
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Security Bulletin: Multiple vulnerabilities in OpenSSL affect IBM Sterling
B2B Integrator
Security Bulletin
Document information
More support for:
Sterling B2B Integrator
Software version:
5.2, 5.2.1, 5.2.2, 5.2.3, 5.2.4, 5.2.5, 5.2.6
Operating system(s):
AIX, HP-UX, IBM i, Linux, Solaris, Windows
Reference #:
1984701
Modified date:
2016-06-09
Summary
OpenSSL vulnerabilities were disclosed on May 3, 2016 by the OpenSSL Project.
OpenSSL is used by IBM Sterling B2B Integrator. IBM Sterling B2B Integrator
has addressed the applicable CVEs.
Vulnerability Details
CVEID:
CVE-2016-2107
DESCRIPTION:
OpenSSL could allow a remote attacker to obtain sensitive information, caused
by an error when the connection uses an AES CBC cipher and the server support
AES-NI. A remote user with the ability to conduct a man-in-the-middle attack
could exploit this vulnerability via the POODLE (Padding Oracle On Downgraded
Legacy Encryption) attack to decrypt traffic.
CVSS Base Score: 4.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/112854
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
CVEID:
CVE-2016-2105
DESCRIPTION:
OpenSSL is vulnerable to a heap-based buffer overflow, caused by improper
bounds checking by the EVP_EncodeUpdate() function. By sending an overly long
argument, a remote attacker could overflow a buffer and execute arbitrary
code on the system or cause the application to crash.
CVSS Base Score: 5.6
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/112855
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)
CVEID:
CVE-2016-2106
DESCRIPTION:
OpenSSL is vulnerable to a heap-based buffer overflow, caused by improper
bounds checking by the EVP_EncryptUpdate() function. By sending an overly
long argument, a remote attacker could overflow a buffer and execute
arbitrary code on the system or cause the application to crash.
CVSS Base Score: 5.6
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/112856
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)
CVEID:
CVE-2016-2109
DESCRIPTION:
OpenSSL is vulnerable to a denial of service, caused by a memory allocation
error. By reading specially crafted ASN.1 data from a BIO using functions
such as d2i_CMS_bio(), an attacker could exploit this vulnerability to
consume all available resources and exhaust memory.
CVSS Base Score: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/112857
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-2016-2176
DESCRIPTION:
OpenSSL could allow a remote attacker to obtain sensitive information, By
sending an overly long ASN.1 string to the X509_NAME_oneline() function, an
attacker could exploit this vulnerability to return arbitrary stack data in
the buffer.
CVSS Base Score: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/112858
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)
Affected Products and Versions
IBM Sterling B2B Integrator 5.2
Remediation/Fixes
Product & Version Remediated Fix
IBM Sterling B2B Integrator 5.2 SWIFTNet Customers must upgrade their current version of OpenSSL to version 1.0.1t
Workarounds and Mitigations
None
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References
Complete CVSS v3 Guide
IBM Product Security Incident Response Blog
Change History
9 June 2016: 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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