USN-3255-1: LightDM vulnerability

It was discovered that LightDM incorrectly handled home directory creation for guest users. A local attacker could use this issue to gain ownership of arbitrary directory paths and possibly gain administrative privileges...

[SECURITY] Fedora 26 Update: libXdmcp-1.1.2-5.fc26

X Display Manager Control Protocol library...

[SECURITY] Fedora 24 Update: libXdmcp-1.1.2-5.fc24

X Display Manager Control Protocol library...

[SECURITY] Fedora 25 Update: libXdmcp-1.1.2-5.fc25

X Display Manager Control Protocol library...

LXDM 'X Server' Local Authentication Bypass Vulnerability

LXDM is a lightweight display manager product for the LXDE desktop environment. A local authentication bypass vulnerability exists in LXDM. An attacker could use this vulnerability to bypass security restrictions and perform unauthorized operations...

The vulnerability of the GNOME Display Manager’s graphical interface on the Fedora operating system allows a hacker to bypass the screen lock mechanism.

The vulnerability of the GNOME Display Manager’s graphical interface on the Fedora operating system is related to deficiencies in access control for files. Exploiting this vulnerability could allow a malicious individual to bypass the screen lock by pressing the Escape key...

LightDM Remote Denial of Service Vulnerability

LightDM is a set of desktop display managers for Linux desktops. LightDM suffers from a remote denial-of-service vulnerability that could be exploited by an attacker to crash the system and conduct denial-of-service attacks...

CVE-2015-7496

GNOME Display Manager gdm before 3.18.2 allows physically proximate attackers to bypass the lock screen by holding the Escape key...

CVE-2015-7496

GNOME Display Manager gdm before 3.18.2 allows physically proximate attackers to bypass the lock screen by holding the Escape key...

DEBIAN-CVE-2015-7496

GNOME Display Manager gdm before 3.18.2 allows physically proximate attackers to bypass the lock screen by holding the Escape key...

UBUNTU-CVE-2015-7496

GNOME Display Manager gdm before 3.18.2 allows physically proximate attackers to bypass the lock screen by holding the Escape key...

UBUNTU-CVE-2015-0856

daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which allows local users to gain privileges by crashing a greeter when using certain themes, as demonstrated by the plasma-workspace breeze theme...

Code injection

GNOME Display Manager gdm before 3.18.2 allows physically proximate attackers to bypass the lock screen by holding the Escape key...

CVE-2015-7496

GNOME Display Manager gdm before 3.18.2 allows physically proximate attackers to bypass the lock screen by holding the Escape key...

CVE-2015-7496

CVE-2015-7496 affects the GNOME Display Manager (gdm) prior to 3.18.2. The root cause is a faulty input handling where a signal/escape-key sequence can be exploited, enabling a physically proximate attacker to bypass the lock screen by holding the Escape key. Reported across multiple advisories (...

CVE-2015-7496

GNOME Display Manager gdm before 3.18.2 allows physically proximate attackers to bypass the lock screen by holding the Escape key...

GNOME Display Manager Local Denial of Service Vulnerability

GNOME Display Manager is a graphical login program. A local denial of service vulnerability exists in GNOME Display Manager. This allows local attackers to exploit this vulnerability to crash the application or cause a denial of service to legitimate users...

[SECURITY] Fedora 22 Update: sddm-0.12.0-5.fc22

SDDM is a modern display manager for X11 aiming to be fast, simple and beautiful. It uses modern technologies like QtQuick, which in turn gives the designer the ability to create smooth, animated user interfaces...

SDDM 'Greeter.cpp' Local Denial of Service Vulnerability

SDDM is a QML-based X11 display manager. A local denial of service vulnerability exists in SDDM. An attacker can exploit this vulnerability to crash the application and cause a denial of service...

[SECURITY] Fedora 23 Update: sddm-0.12.0-5.fc23

SDDM is a modern display manager for X11 aiming to be fast, simple and beautiful. It uses modern technologies like QtQuick, which in turn gives the designer the ability to create smooth, animated user interfaces...