Bug 722876 – CVE-2011-0460 kbd: /etc/init.d/kbd dumps state to /dev/shm/defkeymap.map on shutdown

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Bug 722876 - (CVE-2011-0460) CVE-2011-0460 kbd: /etc/init.d/kbd dumps state to /dev/shm/defkeymap.map on shutdown

Summary:	CVE-2011-0460 kbd: /etc/init.d/kbd dumps state to /dev/shm/defkeymap.map on s...

Status:	CLOSED NOTABUG

Aliases:	CVE-2011-0460

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	public=20110418,reported=20110718,sou...
Keywords:	Security

Depends On:
Blocks:
	Show dependency tree / graph

Reported:	2011-07-18 06:23 EDT by Jan Lieskovsky
Modified:	2016-11-08 11:09 EST (History)
CC List:	1 user (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2011-07-18 07:06:28 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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Description Jan Lieskovsky 2011-07-18 06:23:41 EDT

It was found that the kbd init script wrote a file to /dev/shm during shut-down action. A local attacker could use this flaw to conduct symlink attacks (cause corruption of arbitrary system files).

References:
[1] https://bugzilla.novell.com/show_bug.cgi?id=663898
[2] http://lists.opensuse.org/opensuse-updates/2011-04/msg00053.html

Comment 1 Jan Lieskovsky 2011-07-18 06:25:34 EDT

This issue did NOT affect the versions of the kbd package, as shipped with
Red Hat Enterprise Linux 4, 5, or 6.

--

This issue did NOT affect the versions of the kbd package, as shipped with Fedora release of 14 and 15.

Comment 2 Jan Lieskovsky 2011-07-18 06:28:08 EDT

Statement:

Not vulnerable. This issue did not affect the versions of kbd as shipped with
Red Hat Enterprise Linux 4, 5, or 6 as they do not include the affected script.

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