(Mandrake Issues Fix) Uim Environment Variables May Let Local Users Gain Elevated Privileges
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SecurityTracker Alert ID: 1013299 |
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SecurityTracker URL: http://securitytracker.com/id/1013299
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CVE Reference:
CAN-2005-0503
(Links to External Site)
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Date: Feb 25 2005
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Impact:
Execution of arbitrary code via local system, Root access via local system, User access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): prior to 0.4.5.1
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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.
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Impact:
A local user may be able to obtain elevated privileges.
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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
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Vendor URL: freedesktop.org/Software/uim (Links to External Site)
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Cause:
Access control error, State error
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Underlying OS:
Linux (Mandriva/Mandrake)
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Thu, 24 Feb 2005 13:18:12 -0700
Subject: [Security Announce] MDKSA-2005:046 - Updated uim packages fix
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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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