Vulnerability Name:

CVE-2012-0064 (CCN-72459)

Assigned:2011-12-07
Published:2012-01-19
Updated:2014-02-11
Summary: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.
CVSS v3 Severity:4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.4 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)
1.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-264
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2012-0064

Source: CCN
Type: Gu1's Web site
Bypass screensaver/locker program on xorg 1.11 and up

Source: MISC
Type: UNKNOWN
http://gu1.aeroxteam.fr/2012/01/19/bypass-screensaver-locker-program-xorg-111-and-up/

Source: MLIST
Type: UNKNOWN
[xorg-announce] 20120119 xkeyboard-config 2.5

Source: MLIST
Type: UNKNOWN
[xorg-devel] 20120119 [PATCH SECURITY] XKB: Workaround for CVE-2012-0064: Stop calling UngrabAllDevices().

Source: CCN
Type: SA47566
X.Org Grab-Breaking Keybinding Security Bypass Weakness

Source: SECTRACK
Type: UNKNOWN
1026549

Source: MISC
Type: UNKNOWN
http://who-t.blogspot.com/2012/01/xkb-breaking-grabs-cve-2012-0064.html

Source: MLIST
Type: UNKNOWN
[oss-security] 20120118 Re: Screen locking programs on Xorg 1.11

Source: OSVDB
Type: UNKNOWN
78445

Source: CCN
Type: OSVDB ID: 78445
X.Org X Window System (X11) Grab-Breaking Keybinding Screensaver Lock Bypass

Source: CCN
Type: BID-51562
X.Org XServer ScreenSaver Lock Bypass Vulnerability

Source: CCN
Type: X.Org Foundation Web site
X.Org Wiki - Home

Source: CONFIRM
Type: Vendor Advisory
http://www.x.org/wiki/Development/Security/

Source: CONFIRM
Type: UNKNOWN
https://bugzilla.redhat.com/show_bug.cgi?id=783039

Source: XF
Type: UNKNOWN
xorg-screensaver-security-bypass(72459)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:x:x.org_x11:1.0:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:3.0:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:4.0:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:5.0:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:6.0:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:6.1:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:6.3:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:6.4:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:6.5.1:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:6.6:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:6.7:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:6.8:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:6.8.1:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:6.8.2:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:6.9.0:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:7.0:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:7.1:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:7.2:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:7.3:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:7.4:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:7.5:*:*:*:*:*:*:*
  • OR cpe:/a:x:x.org_x11:*:rc1:*:*:*:*:*:* (Version <= 7.5)
  • OR cpe:/a:xkeyboard_config_project:xkeyboard-config:2.0:*:*:*:*:*:*:*
  • OR cpe:/a:xkeyboard_config_project:xkeyboard-config:2.1:*:*:*:*:*:*:*
  • OR cpe:/a:xkeyboard_config_project:xkeyboard-config:2.2:*:*:*:*:*:*:*
  • OR cpe:/a:xkeyboard_config_project:xkeyboard-config:2.3:*:*:*:*:*:*:*
  • OR cpe:/a:xkeyboard_config_project:xkeyboard-config:*:*:*:*:*:*:*:* (Version <= 2.4)

    • Configuration CCN 1:
  • cpe:/a:x.org:x11:1.11:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    x x.org x11 1.0
    x x.org x11 3.0
    x x.org x11 4.0
    x x.org x11 5.0
    x x.org x11 6.0
    x x.org x11 6.1
    x x.org x11 6.3
    x x.org x11 6.4
    x x.org x11 6.5.1
    x x.org x11 6.6
    x x.org x11 6.7
    x x.org x11 6.8
    x x.org x11 6.8.1
    x x.org x11 6.8.2
    x x.org x11 6.9.0
    x x.org x11 7.0
    x x.org x11 7.1
    x x.org x11 7.2
    x x.org x11 7.3
    x x.org x11 7.4
    x x.org x11 7.5
    x x.org x11 * rc1
    xkeyboard_config_project xkeyboard-config 2.0
    xkeyboard_config_project xkeyboard-config 2.1
    xkeyboard_config_project xkeyboard-config 2.2
    xkeyboard_config_project xkeyboard-config 2.3
    xkeyboard_config_project xkeyboard-config *
    x.org x11 1.11