Bug 804947 (CVE-2012-1568)

Summary:	CVE-2012-1568 kernel: execshield: predictable ascii armour base address
Product:	[Other] Security Response	Reporter:	Petr Matousek <pmatouse>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	agordeev, anton, arozansk, bhu, davej, dhoward, fhrbata, frigoris.ma, gansalmon, itamar, jkacur, jonathan, jwboyer, kernel-maint, kernel-mgr, lgoncalv, lwang, madhu.chinakonda, plougher, rt-maint, sforsber, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2013-08-24 13:21:45 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	804953, 804954, 804955, 804956, 804957, 875025, 901571
Bug Blocks:	805237

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