Permissions, Privileges, and Access Controls - CVE-2012-0064
Published: February 11, 2014 / Updated: August 3, 2020
Vulnerability identifier: #VU33126
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2012-0064
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor:
Affected software:
Detailed vulnerability description
The vulnerability allows a local non-authenticated attacker to read and manipulate data.
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.
How to mitigate CVE-2012-0064
Install update from vendor's website.
Sources
- http://gu1.aeroxteam.fr/2012/01/19/bypass-screensaver-locker-program-xorg-111-and-up/
- http://lists.x.org/archives/xorg-announce/2012-January/001797.html
- http://lists.x.org/archives/xorg-devel/2012-January/028691.html
- http://securitytracker.com/id?1026549
- http://who-t.blogspot.com/2012/01/xkb-breaking-grabs-cve-2012-0064.html
- http://www.openwall.com/lists/oss-security/2012/01/19/6
- http://www.osvdb.org/78445
- http://www.x.org/wiki/Development/Security/
- https://bugzilla.redhat.com/show_bug.cgi?id=783039