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Last updated: 4/23/2014

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Vulnerability Summary for CVE-2012-1568

Original release date: 03/01/2013
Last revised: 03/01/2013
Source: US-CERT/NIST

Overview

The ExecShield feature in a certain Red Hat patch for the Linux kernel in Red Hat Enterprise Linux (RHEL) 5 and 6 and Fedora 15 and 16 does not properly handle use of many shared libraries by a 32-bit executable file, which makes it easier for context-dependent attackers to bypass the ASLR protection mechanism by leveraging a predictable base address for one of these libraries.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 1.9 (LOW) (AV:L/AC:M/AU:N/C:N/I:P/A:N) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification

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External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=804947
External Source: CONFIRM
Name: https://oss.oracle.com/git/?p=redpatch.git;a=commit;h=302a4fc15aebf202b6dffd6c804377c6058ee6e4
External Source: MLIST
Name: [oss-security] 20120321 Re: CVE request -- kernel: execshield: predictable ascii armour base address
External Source: MISC
Name: http://scarybeastsecurity.blogspot.com/2012/03/some-random-observations-on-linux-aslr.html
External Source: MLIST
Name: [oss-security] 20120320 Re: CVE request -- kernel: execshield: predictable ascii armour base address

Technical Details

Vulnerability Type (View All)