Vulnerability CVE-2012-0064
Published: 2014-02-10   Modified: 2014-02-11

Description:
xkeyboard-config before 2.5 in X.Org before 7.6 enables certain XKB debugging functions by default, which allows physically proximate attackers to bypass an X screen lock via keyboard combinations that break the input grab.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.6/10
6.4/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Xkeyboard config project -> Xkeyboard-config 
X -> X.org x11 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=783039
http://www.x.org/wiki/Development/Security/
http://www.osvdb.org/78445
http://www.openwall.com/lists/oss-security/2012/01/19/6
http://who-t.blogspot.com/2012/01/xkb-breaking-grabs-cve-2012-0064.html
http://securitytracker.com/id?1026549
http://lists.x.org/archives/xorg-devel/2012-January/028691.html
http://lists.x.org/archives/xorg-announce/2012-January/001797.html
http://gu1.aeroxteam.fr/2012/01/19/bypass-screensaver-locker-program-xorg-111-and-up/
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