Important: Red Hat Security Advisory: XFree86 security update

Updated XFree86 packages provide security fixes to font libraries and XDM. XFree86 is an implementation of the X Window System providing the core graphical user interface and video drivers. XDM is the X display manager. Multiple integer overflows in the transfer and enumeration of font libraries ...

CVE-2003-0548

The X Display Manager Control Protocol XDMCP support for GDM before 2.4.1.6 allows attackers to cause a denial of service daemon crash when a chosen host expires, a different issue than CVE-2003-0549...

CVE-2003-0549

The X Display Manager Control Protocol XDMCP support for GDM before 2.4.1.6 allows attackers to cause a denial of service daemon crash via a short authorization key name...

CVE-2003-0548

The X Display Manager Control Protocol XDMCP support for GDM before 2.4.1.6 allows attackers to cause a denial of service daemon crash when a chosen host expires, a different issue than CVE-2003-0549...

Low: Red Hat Security Advisory: gdm security update

Updated GDM packages are available which correct a local crash if XDMCP is enabled. GDM is the GNOME Display Manager for X. Two bugs have been found in the X Display Manager Control Protocol XDMCP which could allow a denial of service attack DoS by crashing the gdm daemon. The Common...

XDMCP leaks sensitive information by default configuration

Overview An information leakage vulnerability exists in the default configuration of the X Display Management Console Protocol XDMCP daemon. Description On some operating systems, the X Display Manager Control Protocol XDMCP daemon is set to permit remote access to the local machine from any host...

X Display Manager Control Protocol (XDMCP) Detection

The X Display Manager Control Protocol XDMCP service allows a Unix user to remotely obtain a graphical X11 login and therefore act as a local user on the remote host. If an attacker can gain a valid login and password, this service could be used to gain further access on the remote host. An...

XFree86 X11R6 3.3 XDM - Session Cookie Guessing

// source: https://www.securityfocus.com/bid/2985/info xdm is the X Display Manager, a component of the XFree86 package. xdm manages the display of X sessions both locally and remotely. An xdm server compiled without WrapHelp.c is vulnerable to a brute force X cookie attack, due to using triviall...

XFree86 X11R6 3.3 XDM - Session Cookie Guessing

XFree86 X11R6 3.3 XDM - Session Cookie Guessing // source: https://www.securityfocus.com/bid/2985/info xdm is the X Display Manager, a component of the XFree86 package. xdm manages the display of X sessions both locally and remotely. An xdm server compiled without WrapHelp.c is vulnerable to a...