SuSE Security Announcement: pine (SuSE-SA:2002:046)

25 Nov 2002


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

______________________________________________________________________________

                        SuSE Security Announcement

        Package:                pine
        Announcement-ID:        SuSE-SA:2002:046
        Date:                   Monday, Nov 25th 2002 10:30 MEST
        Affected products:      7.1, 7.2, 7.3, 8.0, 8.1
                                SuSE Linux Database Server
                                SuSE eMail Server 3.1
                                SuSE eMail Server III
                                SuSE Firewall Adminhost VPN
                                SuSE Linux Admin-CD for Firewall
                                SuSE Firewall on CD 2 - VPN
                                SuSE Firewall on CD 2
                                SuSE Linux Enterprise Server for S/390
                                SuSE Linux Connectivity Server
                                SuSE Linux Enterprise Server 7 for IA32
                                SuSE Linux Office Server
        Vulnerability Type:     remote denial-of-service
        Severity (1-10):        4
        SuSE default package:   yes (7.1 - 8.0)
                                no  (8.1)
        Cross References:       none

    Content of this advisory:
        1) security vulnerability resolved:
             - heap buffer overflow while parsing mail address
           problem description, discussion, solution and upgrade information
        2) pending vulnerabilities, solutions, workarounds:
             - sparc distribution
             - WindowMaker
        3) standard appendix (further information)

______________________________________________________________________________

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

    Pine, Program for Internet News and Email, is a well known and widely
    used eMail client.
    While parsing and escaping characters of eMail addresses pine does not
    allocate enough memory for storing the escaped mailbox part of an
    address. This results in a buffer overflow on the heap that will make
    pine crash. The offending eMail can just be deleted manually or by using
    another mail user agent.

    A possible temporary workaround is to filter the respective header
    lines by a mail delivery agent (such as procmail).

    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.
    Our maintenance customers are being notified individually. The packages
    are being offered to install from the maintenance web.


    Intel i386 Platform:

    SuSE-8.1:
    ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/pine-4.44-224.i586.rpm
      8c32d5571d7488e31f693a884dedb81e
    patch rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/pine-4.44-224.i586.patch.rpm
      467b8b318958b0ead3f30fa7b1f5a9a0
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/pine-4.44-224.src.rpm
      9b1ff436719cf9752cda3ddd711e80a7

    SuSE-8.0:
    ftp://ftp.suse.com/pub/suse/i386/update/8.0/n1/pine-4.44-222.i386.rpm
      01d9e82164a5ce4037b84be1b2ed4228
    patch rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/8.0/n1/pine-4.44-222.i386.patch.rpm
      162c4265909af7805f7aeaf3e12e8763
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/pine-4.44-222.src.rpm
      d724e02b1ea3783e5bfb01ae9728d7cf

    SuSE-7.3:
    ftp://ftp.suse.com/pub/suse/i386/update/7.3/n1/pine-4.33-266.i386.rpm
      140c58adf7d0b2113d5bbbbb20de67e2
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/7.3/zq1/pine-4.33-266.src.rpm
      100c86e88ce357b0efacf7dfe2ab592c

    SuSE-7.2:
    ftp://ftp.suse.com/pub/suse/i386/update/7.2/n1/pine-4.33-266.i386.rpm
      bd44232250b3def07cab81064dad11f2
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/7.2/zq1/pine-4.33-266.src.rpm
      e28daa1f2d66135fcf5951c9b2dc19be

    SuSE-7.1:
    ftp://ftp.suse.com/pub/suse/i386/update/7.1/n1/pine-4.33-263.i386.rpm
      9bdd3394336a786b0711b8e98ab4a268
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/7.1/zq1/pine-4.33-263.src.rpm
      630478b751a24e86c52fe645be9365c4


    Sparc Platform:

    SuSE-7.3:
    ftp://ftp.suse.com/pub/suse/sparc/update/7.3/n1/pine-4.33-97.sparc.rpm
      5187b311c27f043178a12ae186d228a6
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/sparc/update/7.3/zq1/pine-4.33-97.src.rpm
      9616303edadfd899785f3ac12d2dc02a


    AXP Alpha Platform:

    SuSE-7.1:
    ftp://ftp.suse.com/pub/suse/axp/update/7.1/n1/pine-4.33-85.alpha.rpm
      f5155d79236e3ec15c463f586f731c17
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/axp/update/7.1/zq1/pine-4.33-85.src.rpm
      75365b21b97c8a2f722d95491f62d305


    PPC Power PC Platform:

    SuSE-7.3:
    ftp://ftp.suse.com/pub/suse/ppc/update/7.3/n1/pine-4.33-143.ppc.rpm
      98955d956701d7c6c3e0522468377044
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/ppc/update/7.3/zq1/pine-4.33-143.src.rpm
      d4cdfbf180711ae6e9bab31b87cbb3bd

    SuSE-7.1:
    ftp://ftp.suse.com/pub/suse/ppc/update/7.1/n1/pine-4.33-141.ppc.rpm
      0b0512af4bdffc654bbd1774c2c8f8a9
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/ppc/update/7.1/zq1/pine-4.33-141.src.rpm
      0ee371a8935abe58aa53221606960bbe


______________________________________________________________________________

2)  Pending vulnerabilities in SuSE Distributions and Workarounds:

    - sparc distribution
      We have moved the update directories for the SuSE SPARC distributions
      7.0 and 7.1 as well as the distribution directory for 7.1 to the
      discontinued/ tree on ftp.suse.com. We urge all of the sparc users to
      upgrade to the SuSE-7.3-sparc distribution, the latest in the row for
      the sparc platform. Resource limitations keep us from timely providing
      update packages for the older sparc distribution.

    - WindowMaker
      A bug was found in the image processing code of windowmaker.
      It could allow attackers to execute arbitrary code as the user
      running windowmaker by tricking the user into viewing special
      crafted malicious image files. New packages are currently being
      built and will be available soon.

______________________________________________________________________________

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 <name-of-the-file.rpm>
       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 <file.rpm>
       to verify the signature of the package, where <file.rpm> is the
       filename of the rpm package that you have downloaded. Of course,
       package authenticity verification can only target an un-installed 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 top-level 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-subscribe@suse.com>.

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

    For general information or the frequently asked questions (faq)
    send mail to:
        <suse-security-info@suse.com> or
        <suse-security-faq@suse.com> respectively.

    =====================================================================
    SuSE's security contact is <security@suse.com> or <security@suse.de>.
    The <security@suse.de> 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 clear-text signature shows proof of the
    authenticity of the text.
    SuSE Linux AG 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 <security@suse.de>
pub  1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build@suse.de>

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Bye,
     Thomas
-- 
  Thomas Biege <thomas@suse.de>
  SuSE Linux AG,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
-- 

  Over thinking, Over analyzing, seperates the body from the mind.
                                               - Maynard James Keenan

Thomas Biege

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