SuSE: kmulti local root compromise

    Date29 May 2000
    CategorySuSE
    2139
    Posted ByLinuxSecurity Advisories
    An adversary could set SHELL to his own program to get local root access to the system by writing directly to the raw HDD device.
    -----BEGIN PGP SIGNED MESSAGE-----
    
    ______________________________________________________________________________
    
                            SuSE Security Announcement
    
            Package:  kmulti <= 1.1.2
            Date:     Mon May 29 17:44:28 MEST 2000
    
            Affected SuSE versions: 6.1-6.4
            Vulnerability Type:     local root compromise
            SuSE default package:   no
            Other affected systems: all unix systems using kdemultimedia and
                                    setting kscd setgid disk
    ______________________________________________________________________________
    
    A security hole was discovered in the package mentioned above.
    Please update it 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 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
    
      The KDE CD player kscd is setgid disk to be able to access the device
      file of the CDROM.
      To perform some action kscd calls the unix command shell specified in
      the environment variable SHELL with the privileges of group disk.
    
    2. Impact
    
      An adversary could set SHELL to his own program to get local root
      access to the system by writing directly to the raw HDD device.
    
    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)
    
    
    AXP:
    817852e77080ecb444cb3ab9d0e6f52d  ftp://ftp.suse.com/pub/suse/axp/update/6.1/kde1/kmulti-1.1.2-141.alpha.rpm
    bf3ea6a10793225d5468efa72efb13cb  ftp://ftp.suse.com/pub/suse/axp/update/6.1/zq1/kmulti-1.1.2-141.src.rpm
    8e1cc62cf437c43eca044562637d9ea3  ftp://ftp.suse.com/pub/suse/axp/update/6.3/kde1/kmulti-1.1.2-141.alpha.rpm
    61dc0c2588a707ec9ba1c6be00aac58c  ftp://ftp.suse.com/pub/suse/axp/update/6.3/zq1/kmulti-1.1.2-141.src.rpm
    45e951b3b14435a1c1ab89d3e4e5df1d  ftp://ftp.suse.com/pub/suse/axp/update/6.4/kde1/kmulti-1.1.2-141.alpha.rpm
    a70b356603227e1a0e49d0eeab934ad8  ftp://ftp.suse.com/pub/suse/axp/update/6.4/zq1/kmulti-1.1.2-141.src.rpm
    
    i386:
    d4c6bc55edbb9aa4da76b2d9b186e6a9  ftp://ftp.suse.com/pub/suse/i386/update/6.1/kde1/kmulti-1.1.2-141.i386.rpm
    9ac324e3a9bb1794280d8175f5762d5d  ftp://ftp.suse.com/pub/suse/i386/update/6.1/zq1/kmulti-1.1.2-141.src.rpm
    f8318113abdde6e2a9118db63d50a550  ftp://ftp.suse.com/pub/suse/i386/update/6.2/kde1/kmulti-1.1.2-141.i386.rpm
    18d5fc80412db2dc70770d9b175180d9  ftp://ftp.suse.com/pub/suse/i386/update/6.2/zq1/kmulti-1.1.2-141.src.rpm
    43f1febe8dc5502132246b8ad977db54  ftp://ftp.suse.com/pub/suse/i386/update/6.3/kde1/kmulti-1.1.2-141.i386.rpm
    bce686afd6186c9cb9816ccf95744040  ftp://ftp.suse.com/pub/suse/i386/update/6.3/zq1/kmulti-1.1.2-141.src.rpm
    4a14b88f9b6f80c8ffcf4b82750d7bfb  ftp://ftp.suse.com/pub/suse/i386/update/6.4/kde1/kmulti-1.1.2-140.i386.rpm
    de787463851f38b69e576cf8de7d9309  ftp://ftp.suse.com/pub/suse/i386/update/6.4/zq1/kmulti-1.1.2-140.src.rpm
    
    PPC:
    3de7429a24620ca2b7e61f799478e2b8  ftp://ftp.suse.com/pub/suse/ppc/update/6.4/kde1/kmulti-1.1.2-141.ppc.rpm
    444e9ffc4fbc643deb208c45bcb31725  ftp://ftp.suse.com/pub/suse/ppc/update/6.4/zq1/kmulti-1.1.2-141.src.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
      This email address is being protected from spambots. You need JavaScript enabled to view it.
    	
    ______________________________________________________________________________
    
    SuSE has got two free security mailing list services to which any
    interested party may subscribe:
    
    This email address is being protected from spambots. You need JavaScript enabled to view it.          - moderated and for general/linux/SuSE
                                      security discussions. All SuSE security
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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 
    
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