Vulnerability Name:

CVE-2009-4642 (CCN-56713)

Assigned:2009-08-17
Published:2009-08-17
Updated:2010-03-22
Summary:gnome-screensaver 2.26.1 relies on the gnome-session D-Bus interface to determine session idle time, even when an Xfce desktop such as Xubuntu or Mythbuntu is used, which allows physically proximate attackers to access an unattended workstation on which screen locking had been intended.
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:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
5.8 Medium (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C/E:U/RL:U/RC:UR)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)
1.7 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N/E:U/RL:U/RC:UR)
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-Other
Vulnerability Consequences:Bypass Security
References:Source: CONFIRM
Type: UNKNOWN
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=536381

Source: CONFIRM
Type: UNKNOWN
http://bugzilla.xfce.org/show_bug.cgi?id=5927

Source: MITRE
Type: CNA
CVE-2009-4642

Source: CCN
Type: OSVDB ID: 62323
gnome-screensaver gnome-session D-Bus Interface Screen Locking Bypass

Source: CCN
Type: GNOME Bugzilla Bug 592093
Reliance on gnome-session

Source: CONFIRM
Type: UNKNOWN
https://bugzilla.gnome.org/show_bug.cgi?id=592093

Source: XF
Type: UNKNOWN
gnomescreensaver-dbus-security-bypass(56713)

Source: CONFIRM
Type: UNKNOWN
https://launchpad.net/bugs/411350

Source: CONFIRM
Type: UNKNOWN
https://launchpad.net/bugs/493573

Vulnerable Configuration:Configuration 1:
  • cpe:/a:gnome:screensaver:2.26.1:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:gnome:screensaver:2.26.1:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    gnome screensaver 2.26.1
    gnome screensaver 2.26.1