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             AUSCERT External Security Bulletin Redistribution

                               ESB-2015.1598
            Security Bulletin: IBM Domino Web Server Cross-site
                  Scripting Vulnerability (CVE-2015-1981)
                               19 June 2015

===========================================================================

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

Product:           IBM Domino
Publisher:         IBM
Operating System:  AIX
                   IBM i
                   Linux variants
                   Windows
Impact/Access:     Cross-site Scripting -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-1981  

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg21959908

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Security Bulletin: IBM Domino Web Server Cross-site Scripting Vulnerability 
(CVE-2015-1981)

Document information

More support for:

IBM Domino

Security

Software version:

8.5, 8.5.0.1, 8.5.1, 8.5.1.4, 8.5.2, 8.5.2.4, 8.5.3, 8.5.3.6, 9.0, 9.0.1.3

Operating system(s):

AIX, AIX 64bit, IBM i, Linux, Linux zSeries, Windows, Windows 64bit

Reference #:

1959908

Modified date:

2015-06-17

Security Bulletin

Summary

IBM Domino Web server configured for Webmail has a cross-site scripting 
vulnerability.

Vulnerability Details

CVEID: CVE-2015-1981

DESCRIPTION: IBM Domino Web server configured for Webmail is vulnerable to 
cross-site scripting, caused by improper validation of user-supplied input. A
remote attacker could exploit this vulnerability using a specially-crafted URL
to execute script in a victim's Web browser within the security context of the
hosting Web site, once the URL is clicked. An attacker could use this 
vulnerability to steal the victim's cookie-based authentication credentials. 
Note that Domino servers configured for iNotes are not vulnerable to this 
attack.

CVSS Base Score: 3.5

CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/103742 for the 
current score

CVSS Environmental Score*: Undefined

CVSS Vector: (AV:N/AC:M/Au:S/C:N/I:P/A:N)

Affected Products and Versions

   IBM Domino 9.0.1 Fix Pack 3 (plus Interim Fixes) and earlier

   IBM Domino 8.5.3 Fix Pack 6 (plus Interim Fixes) and earlier

   All 9.0 and 8.5.x releases of IBM Domino prior to those listed above

Remediation/Fixes

A fix for this issue, tracked as SPR# KLYH9WYPR5, is introduced in IBM Domino
9.0.1 Fix Pack 4. For download information, refer to technote 4037141 - 
Download Options for Notes & Domino 9.0.1 Fix Packs

Customers running earlier 9.0.x or 8.5.x streams may either use the workaround
listed below or contact IBM Support to inquire about the possibility of 
obtaining a hotfix for your environment. Reference the SPR listed above.

Workarounds and Mitigations

To work around this attack in all affected releases, configure browser users 
to access Domino mail using iNotes. For reference, see the IBM Domino 
Administrator Help topic for Configuring iNotes.

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support 
alerts like this.

References

Complete CVSS Guide

On-line Calculator V2

http://www.ibm.com/support/knowledgecenter/SSULMR_9.0.1/admin/conf_configuringinotes_m.dita

http://xforce.iss.net/xforce/xfdb/103742

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1981

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Acknowledgement

These vulnerabilities were reported to IBM by researcher Eugene Dokukin 
(MustLive).

*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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