Bug 804947 (CVE-2012-1568) - CVE-2012-1568 kernel: execshield: predictable ascii armour base address
Summary: CVE-2012-1568 kernel: execshield: predictable ascii armour base address
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2012-1568
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 804953 804954 804955 804956 804957 875025 901571
Blocks: 805237
TreeView+ depends on / blocked
 
Reported: 2012-03-20 09:36 UTC by Petr Matousek
Modified: 2021-02-24 12:51 UTC (History)
22 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2013-08-24 13:21:45 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2012:1426 0 normal SHIPPED_LIVE Moderate: kernel security and bug fix update 2012-11-06 23:14:35 UTC
Red Hat Product Errata RHSA-2013:0168 0 normal SHIPPED_LIVE Moderate: kernel security and bug fix update 2013-01-23 00:55:33 UTC

Description Petr Matousek 2012-03-20 09:36:10 UTC 
When running a binary with a lot of shared libraries, predictable base address is used for one of the loaded libraries.

This flaw could be used to bypass ASLR.

References:
http://scarybeastsecurity.blogspot.com/2012/03/some-random-observations-on-linux-aslr.html
Comment 4 Petr Matousek 2012-03-20 09:51:09 UTC 
Created kernel tracking bugs for this issue

Affects: fedora-all [bug 804957]
Comment 7 Fedora Update System 2012-03-22 01:57:12 UTC 
kernel-3.3.0-4.fc16 has been pushed to the Fedora 16 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 13 Fedora Update System 2012-03-26 18:02:21 UTC 
kernel-2.6.42.12-1.fc15 has been pushed to the Fedora 15 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 15 errata-xmlrpc 2012-11-06 18:17:26 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2012:1426 https://rhn.redhat.com/errata/RHSA-2012-1426.html
Comment 18 Vincent Danen 2013-01-22 17:48:09 UTC 
Statement:

(none)
Comment 19 errata-xmlrpc 2013-01-22 19:56:16 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2013:0168 https://rhn.redhat.com/errata/RHSA-2013-0168.html
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