gnome-screensaver Unlock Dialog Race Condition Lock Bypass Vulnerability

BID:38211

Info

gnome-screensaver Unlock Dialog Race Condition Lock Bypass Vulnerability

Bugtraq ID: 38211
Class: Race Condition Error
CVE: CVE-2010-0732
Remote: No
Local: Yes
Published: Feb 12 2010 12:00AM
Updated: Dec 23 2014 11:54PM
Credit: Richard Ssekibuule
Vulnerable: Ubuntu Ubuntu Linux 9.10 sparc
Ubuntu Ubuntu Linux 9.10 powerpc
Ubuntu Ubuntu Linux 9.10 lpia
Ubuntu Ubuntu Linux 9.10 i386
Ubuntu Ubuntu Linux 9.10 amd64
SuSE SUSE Linux Enterprise 11
S.u.S.E. openSUSE 11.2
S.u.S.E. openSUSE 11.1
S.u.S.E. openSUSE 11.0
Mandriva Linux Mandrake 2009.1 x86_64
Mandriva Linux Mandrake 2009.1
Mandriva Linux Mandrake 2009.0 x86_64
Mandriva Linux Mandrake 2009.0
Mandriva Linux Mandrake 2008.0 x86_64
Mandriva Linux Mandrake 2008.0
MandrakeSoft Enterprise Server 5 x86_64
MandrakeSoft Enterprise Server 5
MandrakeSoft Corporate Server 4.0 x86_64
MandrakeSoft Corporate Server 4.0
GNOME gnome-screensaver 2.20
GNOME gnome-screensaver 2.28
GNOME gnome-screensaver 0
Gentoo Linux
Not Vulnerable: GNOME gnome-screensaver 2.28.1

Discussion

gnome-screensaver Unlock Dialog Race Condition Lock Bypass Vulnerability

The 'gnome-screensaver' application is prone to a vulnerability that allows an attacker who has physical console access to bypass the user's locked screen.

Versions prior to gnome-screensaver 2.28.1 are vulnerable.

Exploit / POC

gnome-screensaver Unlock Dialog Race Condition Lock Bypass Vulnerability

To exploit this issue, attackers require physical console access.

Solution / Fix

gnome-screensaver Unlock Dialog Race Condition Lock Bypass Vulnerability

Solution:
Updates are available. Please see the references for more information.


Mandriva Linux Mandrake 2009.1 x86_64

Mandriva Linux Mandrake 2009.0

MandrakeSoft Enterprise Server 5 x86_64

MandrakeSoft Corporate Server 4.0

Mandriva Linux Mandrake 2009.0 x86_64

Mandriva Linux Mandrake 2008.0 x86_64

MandrakeSoft Enterprise Server 5

Mandriva Linux Mandrake 2009.1

MandrakeSoft Corporate Server 4.0 x86_64

References

gnome-screensaver Unlock Dialog Race Condition Lock Bypass Vulnerability

References:

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