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Category:   Application (Generic)  >   IBM Security Guardium Vendors:   IBM
(IBM Issues Fix for IBM Security Guardium) Glibc Stack/Heap Memory Allocation Error Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1039956
SecurityTracker URL:  http://securitytracker.com/id/1039956
CVE Reference:   CVE-2017-1000366   (Links to External Site)
Date:  Dec 5 2017
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): 9.0, 9.1, 9.5
Description:   A vulnerability was reported in Glibc. A local user can obtain elevated privileges on the target system. IBM Security Guardium is affected.

A local user can supply specially crafted LD_LIBRARY_PATH values to trigger a stack memory allocation flaw in certain cases and execute arbitrary code on the target system with elevated privileges.

The stack guard-page memory gap can be "jumped" in cases where heap memory and stack memory are adjacent.

The original advisory is available at:

https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt

Qualys Research Labs reported this vulnerability.

Impact:   A local user can obtain elevated privileges on the target system.
Solution:   IBM has issued a fix for IBM Security Guardium.

The IBM advisory is available at:

http://www-01.ibm.com/support/docview.wss?uid=swg22008897

Vendor URL:  www-01.ibm.com/support/docview.wss?uid=swg22008897 (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any)

Message History:   This archive entry is a follow-up to the message listed below.
Jun 20 2017 Glibc Stack/Heap Memory Allocation Error Lets Local Users Gain Elevated Privileges



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