REDHAT-BUG-1452543
First published: Fri May 19 2017(Updated: )
A flaw was found in the way memory was being allocated on the stack for user space binaries. If heap and stack memory regions were adjacent to each other, an attacker could use this flaw to jump over the heap/stack gap, cause controlled memory corruption on process stack or heap, and thus increase their privileges on the system. This is a tracking bug for the glibc part of the mitigation.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU C Library |
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Reference Links
- https://access.redhat.com/security/vulnerabilities/stackguard
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1462820
- https://access.redhat.com/errata/RHSA-2017:1481
- https://access.redhat.com/errata/RHSA-2017:1480
- https://access.redhat.com/errata/RHSA-2017:1479
- https://access.redhat.com/errata/RHSA-2017:1567
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-1000364
- https://bugzilla.redhat.com/show_bug.cgi?id=1452543
Frequently Asked Questions
What is the severity of REDHAT-BUG-1452543?
The severity of REDHAT-BUG-1452543 is categorized as a high risk due to potential memory corruption vulnerabilities.
How do I fix REDHAT-BUG-1452543?
To fix REDHAT-BUG-1452543, users should upgrade to the latest version of the GNU C Library that addresses this vulnerability.
What types of systems are affected by REDHAT-BUG-1452543?
REDHAT-BUG-1452543 affects systems utilizing the GNU C Library, particularly those where user space binaries allocate memory on the stack.
Can REDHAT-BUG-1452543 lead to remote code execution?
Yes, if exploited, REDHAT-BUG-1452543 can allow attackers to perform controlled memory corruption, potentially leading to remote code execution.
Is there a public exploit for REDHAT-BUG-1452543?
As of now, there have been no known public exploits specifically targeting REDHAT-BUG-1452543, but the vulnerability is critical and should be addressed.
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