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             AUSCERT External Security Bulletin Redistribution

                               ESB-2014.0550
    Security Bulletin: IBM Connections Security Refresh (CVE-2013-4316
          CVE-2013-4310 CVE-2013-2251 CVE-2013-2248 CVE-2013-2135
                CVE-2013-2134 CVE-2013-2115 CVE-2013-1966)
                               22 April 2014

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Connections
Publisher:         IBM
Operating System:  AIX
                   Linux variants
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
                   Provide Misleading Information  -- Remote/Unauthenticated
                   Unauthorised Access             -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2013-4316 CVE-2013-4310 CVE-2013-2251
                   CVE-2013-2248 CVE-2013-2135 CVE-2013-2134
                   CVE-2013-2115 CVE-2013-1966 

Reference:         ASB-2014.0005
                   ESB-2014.0144
                   ASB-2013.0113
                   ESB-2013.1808
                   ESB-2013.1638
                   ESB-2013.1637
                   ESB-2013.1525

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg21667890

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Security Bulletin: IBM Connections Security Refresh (CVE-2013-4316 
CVE-2013-4310 CVE-2013-2251 CVE-2013-2248 CVE-2013-2135 CVE-2013-2134 
CVE-2013-2115 CVE-2013-1966)

Document information

More support for:
IBM Connections

Software version:
3.0, 3.0.1, 3.0.1.1, 4.0

Operating system(s):
AIX, Linux, Windows

Reference #:
1667890

Modified date:
2014-04-14

Security Bulletin

Summary

This bulletin relates to several security vulnerabilities that have been 
reported against Apache Struts 2 through October 2013. IBM Connections uses a 
version of Struts 2 that is vulnerable to these issues.
Vulnerability Details

Several security vulnerabilities have been reported against Apache Struts 2 
through October 2013. IBM Connections uses Struts 2. A version of the package 
that is vulnerable to these issues is used in several past versions of IBM 
Connections. The latest versions of Struts 2 address these vulnerabilities and 
can be applied through the fixes detailed in the Remediation section.


CVE-2013-4316
Description: Apache Struts 2.0.0 through 2.3.15.1 enables Dynamic Method 
Invocation by default, which has unknown impact and attack vectors.
CVSS Base Score: 10.0
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/87373 
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVE-2013-4310
Description: Apache Struts 2.0.0 through 2.3.15.1 allows remote attackers to 
bypass access controls via a crafted action: prefix.
CVSS Base Score: 5.8
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/87336 
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:N)

CVE-2013-2251
Description: Apache Struts 2.0.0 through 2.3.15 allows remote attackers to 
execute arbitrary OGNL expressions via a parameter with a crafted (1) action:, 
(2) redirect:, or (3) redirectAction: prefix.
CVSS Base Score: 7.5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/85756 
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVE-2013-2248
Description: Multiple open redirect vulnerabilities in Apache Struts 2.0.0 
through 2.3.15 allow remote attackers to redirect users to arbitrary web sites 
and conduct phishing attacks via a URL in a parameter using the (1) redirect: 
or (2) redirectAction: prefix.
CVSS Base Score: 4.3
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/85755 
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVE-2013-2135
Description: Apache Struts 2 before 2.3.14.3 allows remote attackers to 
execute arbitrary OGNL code via a request with a crafted value that contains 
both "${}" and "%{}" sequences, which causes the OGNL code to be evaluated 
twice.
CVSS Base Score: 7.5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/84763 
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVE-2013-2134
Description: Apache Struts 2 before 2.3.14.3 allows remote attackers to 
execute arbitrary OGNL code via a request with a crafted action name that is 
not properly handled during wildcard matching, a different vulnerability than 
CVE-2013-2135.
CVSS Base Score: 7.5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/84762 
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVE-2013-2115
Description: Apache Struts 2 before 2.3.14.2 allows remote attackers to 
execute arbitrary OGNL code via a crafted request that is not properly handled 
when using the includeParams attribute in the (1) URL or (2) A tag. NOTE: this 
issue is due to an incomplete fix for CVE-2013-1966.
CVSS Base Score: 7.5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/84543 
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVE-2013-1966
Description: Apache Struts 2 before 2.3.14.1 allows remote attackers to 
execute arbitrary OGNL code via a crafted request that is not properly handled 
when using the includeParams attribute in the (1) URL or (2) A tag.
CVSS Base Score: 7.5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/84542 
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)

Affected Products and Versions

The following versions of IBM Connections are impacted:

IBM Connections 4.5
IBM Connections 4.0
IBM Connections 3.0.1.1 and earlier releases
Remediation/Fixes

Apply the appropriate fix pack or APAR to remediate these issues as per this 
table. Note, if possible, it is always recommended to upgrade to the most 
recent release of IBM Connections.

Product Version          Remediation
	
IBM Connections 4.5      Upgrade to IBM Connections 4.5 CR4 or apply Interim Fix APAR LO79096 for IBM Connections 4.5 CR3.
IBM Connections 4.0      Upgrade to IBM Connections 4.0 CR4 and apply Interim Fix APAR LO79096
IBM Connections 3.0.1.1  Upgrade to IBM Connections 3.0.1.1 CR3 and apply APAR LO79096
IBM Connections 3.0.1    Either upgrade to IBM Connections 4.5 CR4 or upgrade to IBM Connections 3.0.1.1 CR3 and apply APAR LO79096
and earlier releases

Workarounds and Mitigations
None

References
Complete CVSS Guide
On-line Calculator V2
X-Force Vulnerability Database
http://xforce.iss.net/xforce/xfdb/87373
http://xforce.iss.net/xforce/xfdb/87336
http://xforce.iss.net/xforce/xfdb/85756
http://xforce.iss.net/xforce/xfdb/85755
http://xforce.iss.net/xforce/xfdb/84763
http://xforce.iss.net/xforce/xfdb/84762
http://xforce.iss.net/xforce/xfdb/84543
http://xforce.iss.net/xforce/xfdb/84542

Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

*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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