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______________________________________________________________________________

                        SuSE Security Announcement

        Package: lprold < 3.0.48
        Date:    Tue, 11 Jan 2000 13:01:16 GMT

        Affected SuSE versions: all including 6.3
        Vulnerability Type:     local and remote vulnerabilities
        SuSE default package:   yes
        Other affected systems: all unix systems using lpr(-old)
______________________________________________________________________________

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 an "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.
_____________________________________________________________________________

1. Problem Description

  lprold is the default printer daemon.
  If the hosts.lpd mechanism is used to permit printing to remote hosts,
  this can be circumvented if the attacker controls a DNS server, because
  no double-reverse lookup was done the IP address.
  A second vulnerability involves the manipulating the control file of a
  print job in a way, that statements are sent to sendmail as arguments
  where an attacker could specify a sendmail config file of his own.

2. Impact

  Depending on the hosts.lpd configuration, unauthorized users may use your
  printer (and issue a denial of service attack).
  The second vulnerability leads to an easy root compromise, which can be
  exploited from remote.

3. Solution

  Update the package from our FTP server.
______________________________________________________________________________

Please verify these md5 checksums of the updates before installing:
(For SuSE 6.0, please use the 6.1 updates)

ea107e004f8c101421a8b3951e7237fe  ftp://ftp.suse.com/pub/suse/axp/update/6.1/n1/lpro
ld-3.0.48-0.alpha.rpm
8a175ed07a65ef4ea9c88a408aef1e4b  ftp://ftp.suse.com/pub/suse/axp/update/6.3/n1/lpro
ld-3.0.48-0.alpha.rpm
a40c4313756d5b3870fd4bd90e74bc32  ftp://ftp.suse.com/pub/suse/i386/update/6.1/n1/lpr
old-3.0.48-0.i386.rpm
13fbf962761751a5a8eec000da26202f  ftp://ftp.suse.com/pub/suse/i386/update/6.2/n1/lpr
old-3.0.48-0.i386.rpm
52b8bc00d744995f13b4f35da2c6cb5d  ftp://ftp.suse.com/pub/suse/i386/update/6.3/n1/lpr
old-3.0.48-0.i386.rpm
______________________________________________________________________________

You can find updates on our ftp-Server:

  ftp://ftp.suse.com/pub/suse/i386/update for Intel processors
  ftp://ftp.suse.com/pub/suse/axp/update  for Alpha processors

or try the following web pages for a list of mirrors:
  http://www.suse.de/ftp.html
  http://www.suse.com/ftp_new.html

Our webpage for patches:
  http://www.suse.de/patches/index.html

Our webpage for security announcements:
  http://www.suse.de/security

If you want to report vulnerabilities, please contact
  security@suse.de
______________________________________________________________________________

SuSE has got two free security mailing list services to which any
interested party may subscribe:

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_____________________________________________________________________________

  This information is provided freely to everyone interested and may
  be redistributed provided that it is not altered in any way.

Type Bits/KeyID    Date       User ID
pub  2048/3D25D3D9 1999/03/06 SuSE Security Team <security@suse.de>

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