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Category:   Application (Generic)  >   Uim Vendors:   Freedesktop.org
(Mandrake Issues Fix) Uim Environment Variables May Let Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1013299
SecurityTracker URL:  http://securitytracker.com/id/1013299
CVE Reference:   CVE-2005-0503   (Links to External Site)
Date:  Feb 25 2005
Impact:   Execution of arbitrary code via local system, Root access via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 0.4.5.1
Description:   A vulnerability was reproted in Uim. A local user may be able to obtain elevated privileges.

The software does not properly validate user-supplied environment variables. If libuim is linked against an application that runs with set user id (setuid) or set group id (setgid) privileges, then a local user may be able to exploit this flaw by setting a specially crafted environment variable and then calling the linked application.

Systems with 'immodule for Qt' enabled Qt are affected.

Takumi ASAKI discovered this vulnerability.

Impact:   A local user may be able to obtain elevated privileges.
Solution:   Mandrake has released a fix.

Mandrakelinux 10.1:
5477bc5c4be9e4c34944d69f558d1562 10.1/RPMS/libuim0-0.4.5.1-0.1.101mdk.i586.rpm
40e98fd3aba12bf634eb5c492ddc73ed 10.1/RPMS/libuim0-devel-0.4.5.1-0.1.101mdk.i586.rpm
c4f44fbe1f4986ab191f6def69805cdf 10.1/RPMS/uim-0.4.5.1-0.1.101mdk.i586.rpm
03dffbf84de9c95bd6edee1515a83b66 10.1/RPMS/uim-applet-0.4.5.1-0.1.101mdk.i586.rpm
178aafea38d8c35beb9ade48ec4e8417 10.1/SRPMS/uim-0.4.5.1-0.1.101mdk.src.rpm

Mandrakelinux 10.1/X86_64:
6efd482e3618c59b37e8197f50fb5ef6 x86_64/10.1/RPMS/lib64uim0-0.4.5.1-0.1.101mdk.x86_64.rpm
26924174a640903a3767247ec3d12d93 x86_64/10.1/RPMS/lib64uim0-devel-0.4.5.1-0.1.101mdk.x86_64.rpm
5477bc5c4be9e4c34944d69f558d1562 x86_64/10.1/RPMS/libuim0-0.4.5.1-0.1.101mdk.i586.rpm
178aafea38d8c35beb9ade48ec4e8417 x86_64/10.1/SRPMS/uim-0.4.5.1-0.1.101mdk.src.rpm

Vendor URL:  freedesktop.org/Software/uim (Links to External Site)
Cause:   Access control error, State error
Underlying OS:  Linux (Mandriva/Mandrake)
Underlying OS Comments:  10.1

Message History:   This archive entry is a follow-up to the message listed below.
Feb 21 2005 Uim Environment Variables May Let Local Users Gain Elevated Privileges



 Source Message Contents

Subject:  [Security Announce] MDKSA-2005:046 - Updated uim packages fix


This is a multi-part message in MIME format...

------------=_1109277895-31468-5000

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

 _______________________________________________________________________

                 Mandrakelinux Security Update Advisory
 _______________________________________________________________________

 Package name:           uim
 Advisory ID:            MDKSA-2005:046
 Date:                   February 24th, 2005

 Affected versions:	 10.1
 ______________________________________________________________________

 Problem Description:

 Takumi ASAKI discovered that uim always trusts environment variables
 which can allow a local attacker to obtain elevated privileges when
 libuim is linked against an suid/sgid application.  This problem is
 only exploitable in 'immodule for Qt' enabled Qt applications.
 
 The updated packages are patched to fix the problem.
 _______________________________________________________________________

 References:

  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0503
  http://lists.freedesktop.org/pipermail/uim/2005-February/000996.html
 ______________________________________________________________________

 Updated Packages:
  
 Mandrakelinux 10.1:
 5477bc5c4be9e4c34944d69f558d1562  10.1/RPMS/libuim0-0.4.5.1-0.1.101mdk.i586.rpm
 40e98fd3aba12bf634eb5c492ddc73ed  10.1/RPMS/libuim0-devel-0.4.5.1-0.1.101mdk.i586.rpm
 c4f44fbe1f4986ab191f6def69805cdf  10.1/RPMS/uim-0.4.5.1-0.1.101mdk.i586.rpm
 03dffbf84de9c95bd6edee1515a83b66  10.1/RPMS/uim-applet-0.4.5.1-0.1.101mdk.i586.rpm
 178aafea38d8c35beb9ade48ec4e8417  10.1/SRPMS/uim-0.4.5.1-0.1.101mdk.src.rpm

 Mandrakelinux 10.1/X86_64:
 6efd482e3618c59b37e8197f50fb5ef6  x86_64/10.1/RPMS/lib64uim0-0.4.5.1-0.1.101mdk.x86_64.rpm
 26924174a640903a3767247ec3d12d93  x86_64/10.1/RPMS/lib64uim0-devel-0.4.5.1-0.1.101mdk.x86_64.rpm
 5477bc5c4be9e4c34944d69f558d1562  x86_64/10.1/RPMS/libuim0-0.4.5.1-0.1.101mdk.i586.rpm
 178aafea38d8c35beb9ade48ec4e8417  x86_64/10.1/SRPMS/uim-0.4.5.1-0.1.101mdk.src.rpm
 _______________________________________________________________________

 To upgrade automatically use MandrakeUpdate or urpmi.  The verification
 of md5 checksums and GPG signatures is performed automatically for you.

 All packages are signed by Mandrakesoft for security.  You can obtain
 the GPG public key of the Mandrakelinux Security Team by executing:

  gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

 You can view other update advisories for Mandrakelinux at:

  http://www.mandrakesoft.com/security/advisories

 If you want to report vulnerabilities, please contact

  security_linux-mandrake.com

 Type Bits/KeyID     Date       User ID
 pub  1024D/22458A98 2000-07-10 Linux Mandrake Security Team
  <security linux-mandrake.com>
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Content-Disposition: inline; filename="message.footer"
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____________________________________________________
Want to buy your Pack or Services from MandrakeSoft? 
Go to http://www.mandrakestore.com
Join the Club : http://www.mandrakeclub.com
____________________________________________________

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