Note: This is an archival copy of Security Sun Alert 255308 as previously published on http://sunsolve.sun.com.
Latest version of this security advisory is available from http://support.oracle.com as Sun Alert 1020273.1.
Article ID : 1020273.1
Article Type : Sun Alerts (SURE)
Last reviewed : 2009-08-26
Audience : PUBLIC
Copyright Notice: Copyright © 2010, Oracle Corporation and/or its affiliates.

A Security Vulnerability May Allow Popup Windows to Appear Through the Solaris XScreenSaver Program



Category
Security

Release Phase
Resolved

Bug Id
6769901

Product
Solaris 8 Operating System
Solaris 9 Operating System
Solaris 10 Operating System
OpenSolaris

Date of Workaround Release
07-Apr-2009

Date of Resolved Release
14-Aug-2009

A Security Vulnerability May Allow Popup Windows to Appear Through the Solaris XScreenSaver Program

1. Impact

A security vulnerability in the Solaris XScreenSaver (see xscreensaver(1)) program may allow popup windows to appear through the lock screen and expose sensitive data. An example application affected by this issue is Thunderbird, which notifies users about new mail through popup windows.

2. Contributing Factors

This issue can occur in the following releases:

SPARC Platform
  • X11 6.4.1 (for Solaris 8) without patch 115298-02
  • Solaris 9 without patch 115158-11 
  • Solaris 10 without patch 120094-22
  • OpenSolaris based upon builds snv_01 through snv_108
x86 Platform
  • X11 6.4.1 (for Solaris 8) without patch 115299-02
  • Solaris 9 without patch 115159-11
  • Solaris 10 without patch 120095-22
  • OpenSolaris based upon builds snv_01 through snv_108
OpenSolaris distributions may include additional bug fixes above and beyond the build from which it was derived. The base build can be derived as follows:
$ uname -v
snv_101
Systems are only impacted by this issue of they have the package SUNWxwsvr installed. To determine if this package is installed, the following command can be run:
$ pkginfo SUNWxwsvr
system    SUNWxwsvr XScreenSaver

3. Symptoms

There are no predictable symptoms that would indicate the described vulnerability has been exploited to reveal sensitive information.

4. Workaround

There is no workaround for this issue. Please see the Resolution section below.

5. Resolution

This issue is addressed in the following releases:

SPARC Platform
  • X11 6.4.1 (for Solaris 8) with patch 115298-02 or later
  • Solaris 9 with patch 115158-11 or later
  • Solaris 10 with patch 120094-22 or later
  • Open Solaris based upon builds snv_109 or later
x86 Platform
  • X11 6.4.1 (for Solaris 8) with patch 115299-02 or later
  • Solaris 9 with patch 115159-11 or later
  • Solaris 10 with patch 120095-22 or later
  • Open Solaris based upon builds snv_109 or later

    Note: The resolution patches for this issue have caused a regression (BugID 6839026) for systems with Accessibility enabled or with Trusted extensions running.

    Please see Sun Alert 266469 for more details at  http://sunsolve.sun.com/search/document.do?assetkey=1-66-266469-1

    For more information on Security Sun Alerts, see 1009886.1.

    This Sun Alert notification is being provided to you on an "AS IS" basis. This Sun Alert notification may contain information provided by third parties. The issues described in this Sun Alert notification may or may not impact your system(s). Sun makes no representations, warranties, or guarantees as to the information contained herein. ANY AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN. This Sun Alert notification contains Sun proprietary and confidential information. It is being provided to you pursuant to the provisions of your agreement to purchase services from Sun, or, if you do not have such an agreement, the Sun.com Terms of Use. This Sun Alert notification may only be used for the purposes contemplated by these agreements.

    Copyright 2000-2009 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, CA 95054 U.S.A. All rights reserved.

    Modification History
    14-Aug-2009: Updated Contributing Factors and Resolution sections; Resolved
    27-Aug-2009: Updated Resolution section with additional Note for patches


    References

    120094-22
    120095-22
    115298-02
    115299-02
    115158-11
    115159-11





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