Glibc Regression Lets Local Users Gain Elevated Privileges
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SecurityTracker Alert ID: 1025289 |
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SecurityTracker URL: http://securitytracker.com/id/1025289
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CVE Reference:
CVE-2011-0536
(Links to External Site)
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Date: Apr 5 2011
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Impact:
Execution of arbitrary code via local system, User access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Description:
A vulnerability was reported in Glibc. A local user can obtain elevated privileges on the target system.
The previous fix for CVE-2010-3847 [Alert ID 1024619] introduces a regression in the expansion of the $ORIGIN dynamic string token specified in the RPATH and RUNPATH entries in the ELF library header. A local user can exploit this to cause a set user id (setuid) or set group id (setgid) program to execute arbitrary commands with elevated privileges.
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Impact:
A local user can obtain elevated privileges on the target system.
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Solution:
The vendor has issued a source code fix, available at:
http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=22cd1c9bcf57c5829d65b6da825f7a459d40c9eb
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Vendor URL: www.gnu.org/software/libc/ (Links to External Site)
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Cause:
Input validation error
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Underlying OS:
Linux (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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[Original Message Not Available for Viewing]
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