Resend: SuSE Security Announcement: cups (SuSE-SA:2002:006)

27 Feb 2002


      -----BEGIN PGP SIGNED MESSAGE-----

______________________________________________________________________________

                        SuSE Security Announcement

        Package:                cups
        Announcement-ID:        SuSE-SA:2002:006
        Date:                   Wednesday, Feb 27th 2002 12:10 MET
        Affected SuSE versions: 7.1, 7.2, 7.3
        Vulnerability Type:     remote privilege escalation
        Severity (1-10):        5
        SuSE default package:   no
        Other affected systems: all systems running CUPS

    Content of this advisory:
        1) security vulnerability resolved: CUPS bufferoverflow in IPP
           problem description, discussion, solution and upgrade information
        2) pending vulnerabilities, solutions, workarounds
        3) standard appendix (further information)

______________________________________________________________________________

1)  problem description, brief discussion, solution, upgrade information

    We re-release SuSE Security Announcement SuSE-SA:2002:005 with the new
    announcement ID SuSE-SA:2002:006 due to minor packaging errors that can
    result in a malfunction of the printing subsystem. The erroneous packages
    have been removed from the ftp server. The new packages are in place as
    announced in the URL list below.


    The well known Common Unix Printing System (CUPS) was found vulnerable
    to a buffer overflow in the Internet Printing Protocol (IPP) handling
    code.
    The buffer overflow could be exploited by a remote attacker as long as
    their IP address is allowed to connect to the CUPS server.

    Please download the update package for your distribution and verify its
    integrity by the methods listed in section 3) of this announcement.
    Then, install the package using the command "rpm -Fhv file.rpm" to apply
    the update.

    After updateing the RPM package run "rclpd restart" as root to make
    the package upgrade effective.


    i386 Intel Platform:

    SuSE-7.3
    ftp://ftp.suse.com/pub/suse/i386/update/7.3/d3/cups-devel-1.1.10-83.i386.rpm
      8d5053ad177a11625184d0758487fc44
    SuSE-7.3
    ftp://ftp.suse.com/pub/suse/i386/update/7.3/n1/cups-1.1.10-83.i386.rpm
      d13c2a15aec1e32d33e67e3c5dfbfcbe
    SuSE-7.3
    ftp://ftp.suse.com/pub/suse/i386/update/7.3/n1/cups-client-1.1.10-83.i386.rpm
      f6869afd7a3ca8d25094e8beb685be69
    SuSE-7.3
    ftp://ftp.suse.com/pub/suse/i386/update/7.3/n1/cups-libs-1.1.10-83.i386.rpm
      cabe0639064f8d8f4e0966b52f11d879
    source rpm:
    ftp://ftp.suse.com/pub/suse/i386/update/7.3/zq1/cups-1.1.10-83.src.rpm
      44565cf9eef0354eda24c79eb6754615

    SuSE-7.2
    ftp://ftp.suse.com/pub/suse/i386/update/7.2/d3/cups-devel-1.1.6-104.i386.rpm
      b248ca457d8240380bb5c52a27b18eef
    SuSE-7.2
    ftp://ftp.suse.com/pub/suse/i386/update/7.2/n1/cups-1.1.6-104.i386.rpm
      828f470a6fbee50cfc7405c39aa1d81d
    source rpm:
    ftp://ftp.suse.com/pub/suse/i386/update/7.2/zq1/cups-1.1.6-104.src.rpm
      8447e7162c38ecd5f63742de98d80e76

    SuSE-7.1
    ftp://ftp.suse.com/pub/suse/i386/update/7.1/d3/cups-devel-1.1.6-105.i386.rpm
      4ea2040b5c7b46b2e55dacd7073ce9ac
    SuSE-7.1
    ftp://ftp.suse.com/pub/suse/i386/update/7.1/n2/cups-1.1.6-105.i386.rpm
      268428ba6b0470de8ae381552f185420
    source rpm:
    ftp://ftp.suse.com/pub/suse/i386/update/7.1/zq1/cups-1.1.6-105.src.rpm
      93195300593a49fe6236b5abbfca8806


    Sparc Platform:

    SuSE-7.3
    ftp://ftp.suse.com/pub/suse/sparc/update/7.3/d3/cups-devel-1.1.10-36.sparc.rpm
      0970928774ba45661812d2e818b9bbb2
    SuSE-7.3
    ftp://ftp.suse.com/pub/suse/sparc/update/7.3/n1/cups-1.1.10-36.sparc.rpm
      4587059b86c2cefd9097d778ec125ab8
    SuSE-7.3
    ftp://ftp.suse.com/pub/suse/sparc/update/7.3/n1/cups-client-1.1.10-36.sparc.rpm
      b26a1937a8bd286328ab164e1cc91ebe
    SuSE-7.3
    ftp://ftp.suse.com/pub/suse/sparc/update/7.3/n1/cups-libs-1.1.10-36.sparc.rpm
      afed35a5212b217bab1556e0e5df39e6
    source rpm:
    ftp://ftp.suse.com/pub/suse/sparc/update/7.3/zq1/cups-1.1.10-36.src.rpm
      bb1662c9b437b0b88c56a39df9b4b6ad

    SuSE-7.1
    ftp://ftp.suse.com/pub/suse/sparc/update/7.1/d3/cups-devel-1.1.6-38.sparc.rpm
      0a093efb86b0eb024a21ab5532c2f08a
    SuSE-7.1
    ftp://ftp.suse.com/pub/suse/sparc/update/7.1/n2/cups-1.1.6-38.sparc.rpm
      69966f1ee23d904a5085d302a49678d6
    source rpm:
    ftp://ftp.suse.com/pub/suse/sparc/update/7.1/zq1/cups-1.1.6-38.src.rpm
      b4921596bdec11a93da1031c43caa700


    AXP Alpha Platform:

    SuSE-7.1
    ftp://ftp.suse.com/pub/suse/axp/update/7.1/d3/cups-devel-1.1.6-34.alpha.rpm
      a1883596165edd8b1fa597dcb9e21d70
    SuSE-7.1
    ftp://ftp.suse.com/pub/suse/axp/update/7.1/n2/cups-1.1.6-34.alpha.rpm
      96d90d112b52262dbd01b01aac5b64d3
    source rpm:
    ftp://ftp.suse.com/pub/suse/axp/update/7.1/zq1/cups-1.1.6-34.src.rpm
      2d648e906fc29c64682c7797adbbdcac


    PPC PowerPC Platform:

    SuSE-7.3
    ftp://ftp.suse.com/pub/suse/ppc/update/7.3/d3/cups-devel-1.1.10-63.ppc.rpm
      04d9a84650c335ecc550c4e55e57a576
    SuSE-7.3
    ftp://ftp.suse.com/pub/suse/ppc/update/7.3/n1/cups-1.1.10-63.ppc.rpm
      1776913fc7df901ce37fe3f41ce3fcb8
    SuSE-7.3
    ftp://ftp.suse.com/pub/suse/ppc/update/7.3/n1/cups-client-1.1.10-63.ppc.rpm
      75d676e87d82d58555bf24d3261d0da6
    SuSE-7.3
    ftp://ftp.suse.com/pub/suse/ppc/update/7.3/n1/cups-libs-1.1.10-63.ppc.rpm
      34f744fc2e7b60db32abc89fbda9fbfd
    source rpm:
    ftp://ftp.suse.com/pub/suse/ppc/update/7.3/zq1/cups-1.1.10-63.src.rpm
      fa19fa9c5e0558d426de857f2bf45ac6


______________________________________________________________________________

2)  Pending vulnerabilities in SuSE Distributions and Workarounds:

    - squid
      A heap overflow in squid's URL constructing functions is fixed and
      new packages are currently being built.

    - ucd-snmpd
      The UCD snmpd contains various security releated bugs.
      We are currently reviewing the code and available fixes to ensure
      they all get fixed. Patches will be available as soon as possible.
      It is strongly recommended to filter SNMP (TCP and UDP packets
      with destination of port 161) traffic.

    - hanterm/wmtv
      The recently reported vulnerabilities in hanterm and wmtv do not
      affect SuSE installations because they are not installed setuid
      or setgid.

    - cipe
      We are about to prepare kernel update packages that fix a DoS
      problem in the kernel modules for the cipe encrypted tunneling
      software.

______________________________________________________________________________

3)  standard appendix: authenticity verification, additional information

  - Package authenticity verification:

    SuSE update packages are available on many mirror ftp servers all over
    the world. While this service is being considered valuable and important
    to the free and open source software community, many users wish to be
    sure about the origin of the package and its content before installing
    the package. There are two verification methods that can be used
    independently from each other to prove the authenticity of a downloaded
    file or rpm package:
    1) md5sums as provided in the (cryptographically signed) announcement.
    2) using the internal gpg signatures of the rpm package.

    1) execute the command
        md5sum 
       after you downloaded the file from a SuSE ftp server or its mirrors.
       Then, compare the resulting md5sum with the one that is listed in the
       announcement. Since the announcement containing the checksums is
       cryptographically signed (usually using the key security@suse.de),
       the checksums show proof of the authenticity of the package.
       We disrecommend to subscribe to security lists which cause the
       email message containing the announcement to be modified so that
       the signature does not match after transport through the mailing
       list software.
       Downsides: You must be able to verify the authenticity of the
       announcement in the first place. If RPM packages are being rebuilt
       and a new version of a package is published on the ftp server, all
       md5 sums for the files are useless.

    2) rpm package signatures provide an easy way to verify the authenticity
       of an rpm package. Use the command
        rpm -v --checksig 
       to verify the signature of the package, where  is the
       filename of the rpm package that you have downloaded. Of course,
       package authenticity verification can only target an uninstalled rpm
       package file.
       Prerequisites:
        a) gpg is installed
        b) The package is signed using a certain key. The public part of this
           key must be installed by the gpg program in the directory
           ~/.gnupg/ under the user's home directory who performs the
           signature verification (usually root). You can import the key
           that is used by SuSE in rpm packages for SuSE Linux by saving
           this announcement to a file ("announcement.txt") and
           running the command (do "su -" to be root):
            gpg --batch; gpg < announcement.txt | gpg --import
           SuSE Linux distributions version 7.1 and thereafter install the
           key "build@suse.de" upon installation or upgrade, provided that
           the package gpg is installed. The file containing the public key
           is placed at the toplevel directory of the first CD (pubring.gpg)
           and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de .


  - SuSE runs two security mailing lists to which any interested party may
    subscribe:

    suse-security@suse.com
        -   general/linux/SuSE security discussion.
            All SuSE security announcements are sent to this list.
            To subscribe, send an email to
                .

    suse-security-announce@suse.com
        -   SuSE's announce-only mailing list.
            Only SuSE's security annoucements are sent to this list.
            To subscribe, send an email to
                .

    For general information or the frequently asked questions (faq)
    send mail to:
         or
         respectively.

    =====================================================================
    SuSE's security contact is  or .
    The  public key is listed below.
    =====================================================================
______________________________________________________________________________

    The information in this advisory may be distributed or reproduced,
    provided that the advisory is not modified in any way. In particular,
    it is desired that the cleartext signature shows proof of the
    authenticity of the text.
    SuSE GmbH makes no warranties of any kind whatsoever with respect
    to the information contained in this security advisory.

Type Bits/KeyID    Date       User ID
pub  2048R/3D25D3D9 1999-03-06 SuSE Security Team 
pub  1024D/9C800ACA 2000-10-19 SuSE Package Signing Key 

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Bye,
     Thomas
-- 
  Thomas Biege ,SuSE GmbH,Deutschherrnstr. 15-19,90429 Nuernberg
  Function: Security Support & Auditing
  "lynx -source http://www.suse.de/~thomas/contact/thomas.asc | pgp -fka"
  Key fingerprint = 51 AD B9 C7 34 FC F2 54  01 4A 1C D4 66 64 09 83
-- 
	Trete durch die Form ein, und trete aus der Form heraus.

Thomas Biege

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