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Slackware: gdm multiple vulnerabilities Print E-mail
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Posted by LinuxSecurity.com Team   
Slackware These updates fix two vulnerabilities which could allow a localuser to crash or freeze gdm, preventing access to the machine until areboot.

[slackware-security]  gdm security update (SSA:2003-300-01)

GDM is the GNOME Display Manager, and is commonly used to provide
a graphical login for local users.

Upgraded gdm packages are available for Slackware 9.0, 9.1,
and -current.  These fix two vulnerabilities which could allow a local
user to crash or freeze gdm, preventing access to the machine until a
reboot.  Sites using gdm should upgrade, especially sites such as
computer labs that use gdm to provide public or semi-public access.

More details about these issues may be found in the Common
Vulnerabilities and Exposures (CVE) database:

   http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0793
   http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0794


Here are the details from the Slackware 9.1 ChangeLog:
+--------------------------+
Wed Oct 22 12:10:11 PDT 2003
patches/packages/gdm-2.4.4.5-i486-1.tgz:  Upgraded to gdm-2.4.4.5.  This
  fixes a bug which can allow a local user to crash gdm, preventing
  access until the machine is rebooted.
  (* Security fix *)
+--------------------------+


WHERE TO FIND THE NEW PACKAGES:
+-----------------------------+

Updated package for Slackware 9.0: 
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/gdm-2.4.1.7-i386-1.tgz

Updated package for Slackware 9.1: 
ftp://ftp.slackware.com/pub/slackware/slackware-9.1/patches/packages/gdm-2.4.4.5-i486-1.tgz

Updated package for Slackware -current: 
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/gnome/gdm-2.4.4.5-i486-1.tgz


MD5 SIGNATURES:
+-------------+

Slackware 9.0 package:
ba1123ac6d5f56401cd80efcabcd9502  gdm-2.4.1.7-i386-1.tgz

Slackware 9.1 package:
bb34febec76f6c61f9d3740a95082db8  gdm-2.4.4.5-i486-1.tgz

Slackware -current package:
bb34febec76f6c61f9d3740a95082db8  gdm-2.4.4.5-i486-1.tgz


INSTALLATION INSTRUCTIONS:
+------------------------+

First, stop gdm.  If you're using runlevel 4 to start gdm, issue the
command to change to a console-based runlevel:

# telinit 3

Next, upgrade gdm as root:

# upgradepkg gdm-2.4.4.5-i486-1.tgz

Finally, restart gdm:

# telinit 4


+-----+

Slackware Linux Security Team 
http://slackware.com/gpg-key
security@slackware.com



 
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