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Category:   Application (Generic)  >   Glibc Vendors:   GNU [multiple authors]
Glibc stdlib Buffer Overflows May Let Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1027374
SecurityTracker URL:  http://securitytracker.com/id/1027374
CVE Reference:   CVE-2012-3480   (Links to External Site)
Updated:  Aug 27 2012
Original Entry Date:  Aug 13 2012
Impact:   Execution of arbitrary code via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Glibc. A local user can obtain elevated privileges on the target system.

A local user can supply specially crafted data to certain stdlib functions (e.g., strtod, strtof, strtold, strtod_l) to trigger an integer overflow and resulting buffer overflow to execute arbitrary code on the target system with the privileges of the target application.

Impact:   A local user can obtain elevated privileges on the target system.
Solution:   The vendor has issued a proposed fix.

The vendor's advisory is available at:

http://sourceware.org/bugzilla/show_bug.cgi?id=14459

Vendor URL:  www.gnu.org/software/libc/ (Links to External Site)
Cause:   Boundary error
Underlying OS:   Linux (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Aug 27 2012 (Red Hat Issues Fix) Glibc stdlib Buffer Overflows May Let Local Users Gain Elevated Privileges   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 5.
Aug 27 2012 (Red Hat Issues Fix) Glibc stdlib Buffer Overflows May Let Local Users Gain Elevated Privileges   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 6.



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