UIM LibUIM Environment Variables Privilege Escalation Weakness

BID:12604

Info

UIM LibUIM Environment Variables Privilege Escalation Weakness

Bugtraq ID: 12604
Class: Design Error
CVE: CVE-2005-0503
Remote: No
Local: Yes
Published: Feb 21 2005 12:00AM
Updated: Jul 12 2009 10:56AM
Credit: Discovery of this weakness is credited to Takumi Asaki.
Vulnerable: Uim Uim 0.4.5
+ Gentoo Linux
+ Mandriva Linux Mandrake 10.1 x86_64
 + Mandriva Linux Mandrake 10.1
Mandriva Linux Mandrake 10.1 x86_64
Mandriva Linux Mandrake 10.1
Not Vulnerable: Uim Uim 0.4.5 .1

Discussion

UIM LibUIM Environment Variables Privilege Escalation Weakness

Uim is reported prone to an privilege escalation weakness. It is reported that the Uim library will always trust user-supplied environment variables, and that this may be exploited in circumstances where the Uim library is linked to a setuid/setgid application.

An attacker that has local interactive to a system that has a vulnerable application installed may potentially exploit this weakness to escalate privileges.

Exploit / POC

UIM LibUIM Environment Variables Privilege Escalation Weakness

Currently we are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

Solution / Fix

UIM LibUIM Environment Variables Privilege Escalation Weakness

Solution:
The vendor has released version 0.4.5.1 to address this issue.

Mandrake has released an advisory (MDKSA-2005:046) and fixes to address this vulnerability. Customers are advised to peruse the referenced advisory for further information regarding obtaining and applying appropriate updates.

Gentoo has released advisory GLSA 200502-31 to address this issue. Gentoo updates can be applied by running the following commands as the superuser:
emerge --sync
emerge --ask --oneshot --verbose ">=app-i18n/uim-0.4.5.1"


Uim Uim 0.4.5

Mandriva Linux Mandrake 10.1

Mandriva Linux Mandrake 10.1 x86_64

References

UIM LibUIM Environment Variables Privilege Escalation Weakness

References:
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