Security hole in Klock

The KDE screensaver klock includes a bug, which allows to bypass the password authentication. While klock waits for kcheckpass to verify the password a timer is triggered and the dialog box is deleted. After kcheckpass completes klock crashs.

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                        SuSE Security Announcement

        Package:  kbase 1.1 (klock, the KDE screensaver)
        Date:     Wed Jun 30 14:32:05 CEST 1999
        Affected: all Unix operating systems using kbase 1.1

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A security hole was discovered in the package mentioned above.
Please update as soon as possible or disable the service if you are using
this software on your SuSE Linux installation(s).

Other Linux distributions or operating systems might be affected as
well, please contact your vendor for information about this issue.

Please note, that that we provide this information on as "as-is" basis only.
There is no warranty whatsoever and no liability for any direct, indirect or
incidental damage arising from this information or the installation of
the update package.

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1. Problem Description

    The KDE screensaver klock includes a bug, which allows to bypass
    the password authentication.
    While klock waits for kcheckpass to verify the password a timer is
    triggered and the dialog box is deleted. After kcheckpass completes
    klock crashs.

2. Impact

    By typing in a specific key sequence everyone could bypass the password
    athentication of klock.

3. Solution

    Install the updated package, which is available from our
    ftp server.

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Here is the md5 checksum of the fixed package, please verify these
before installing the new package:

85bbdeac8430918d52f9bbe93ee074f9  kbase-1.1.1-15.i386.rpm

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You will find the update on our ftp-Server:

  ftp://ftp.suse.com/pub/suse/i386/update/6.1/kde2/kbase-1.1.1-15.i386.rpm

Webpage for patches:
        http://www.suse.de/patches/index.html

or try the following web pages for a list of mirrors:

        http://www.suse.de/ftp.html
        http://www.suse.com/ftp_new.html

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