AusCERT - ESB-2013.0611 - [Win][Linux][OSX] IBM Notes: Execute arbitrary code/commands

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ESB-2013.0611 - [Win][Linux][OSX] IBM Notes: Execute arbitrary code/commands - Remote with user interaction
Date: 01 May 2013

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2013.0611
   IBM Notes accepts Java applet and JavaScript tags inside HTML emails
                                1 May 2013

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

Product:           IBM Notes
Publisher:         IBM
Operating System:  Linux variants
                   OS X
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2013-0538 CVE-2013-0127 

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg21633819

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Security Bulletin: IBM Notes accepts Java applet and JavaScript tags inside 
HTML emails (CVE-2013-0127, CVE-2013-0538)

Flash (Alert)

Document information

IBM Notes

Software version:
8.0, 8.0.1, 8.0.2, 8.5, 8.5.1, 8.5.2, 8.5.3, 9.0

Operating system(s):
Linux, Mac OS, Windows

Reference #:
1633819

Modified date:
2013-04-30


Abstract

The IBM Notes mail client accepts Java applet tags and JavaScript tags inside 
HTML emails, making it possible to load Java applets and scripts from a remote 
location.

Content

CVE IDs: CVE-2013-0127, CVE-2013-0538

DESCRIPTION:

The IBM Notes mail client accepts Java applet tags and JavaScript tags inside 
HTML emails, making it possible to load Java applets and scripts from a remote 
location.

CVE ID: CVE-2013-0127
CVSS Base Score: 4.3
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/83775 for the 
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVE ID: CVE-2013-0538
CVSS Base Score: 4.3
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/83270 for the 
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/AU:N/C:N/I:P/A:N)

AFFECTED PLATFORMS:
IBM Notes 8.0.x, 8.5.x, 9.0

REMEDIATION:

Fix:
These issues are being tracked as SPRs JMOY95BLM6 and JMOY95BN49. The fix will 
be included in Interim Fix 1 for 8.5.3 Fix Pack 4 and 9.0 Interim Fix 1. Refer 
to the Notes & Domino Fix List to monitor availability of the fixes.

Workaround:
To work around these issues, you can perform one of the two options described 
below:

Option 1: In Notes Basic Preferences, deselect the following three preferences:

    Enable Java applets
    Enable Java access from JavaScript
    Enable JavaScript

- - or -

Option 2: In the notes.ini file, set the following variables:

    EnableJavaApplets=0
    EnableLiveConnect=0
    EnableJavaScript=0

NOTE: In addition to protecting the system from the vulnerabilities, disabling 
these preferences or .ini variables will also disable JavaScript and Java 
applets everywhere these constructs are encountered in the Notes client. 
Designers sometimes use JavaScript and Java applets when building custom 
applications/templates. With the workaround utilized, these applets will not
work.

Mitigation:

None

REFERENCES:
Complete CVSS Guide
On-line Calculator V2
CVE-2013-0127
CVE-2013-0538
http://xforce.iss.net/xforce/xfdb/83775
http://xforce.iss.net/xforce/xfdb/83270

RELATED INFORMATION:
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

ACKNOWLEDGEMENT

These vulnerabilities were reported to IBM by Alexander Klink of n.runs AG.

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