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SuSE: squid (SUSE-SA:2007:012) Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
SuSE This update fixes a remotely exploitable denial-of-service bug in squid that can be triggered by using special ftp:// URLs. (CVE-2007-0247) Additionally the 10.2 package needed a fix for another DoS bug (CVE-2007-0248) and for max_user_ip handling in ntlm_auth.
______________________________________________________________________________

                        SUSE Security Announcement

        Package:                squid
        Announcement ID:        SUSE-SA:2007:012
        Date:                   Tue, 23 Jan 2007 09:00:00 +0000
        Affected Products:      SUSE LINUX 9.3
                                SUSE LINUX 10.0
                                SUSE LINUX 10.1
                                openSUSE 10.2
                                UnitedLinux 1.0
                                SuSE Linux Enterprise Server 8
                                SuSE Linux Openexchange Server 4
                                SuSE Linux Standard Server 8
                                SuSE Linux School Server
                                SUSE LINUX Retail Solution 8
                                SUSE SLES 9
                                Open Enterprise Server
                                Novell Linux POS 9
                                SUSE SLED 10
                                SUSE SLES 10
        Vulnerability Type:     remote denial of service
        Severity (1-10):        4
        SUSE Default Package:   no
        Cross-References:       CVE-2007-0247
                                CVE-2007-0248

    Content of This Advisory:
        1) Security Vulnerability Resolved:
             remote denial of service
           Problem Description
        2) Solution or Work-Around
        3) Special Instructions and Notes
        4) Package Location and Checksums
        5) Pending Vulnerabilities, Solutions, and Work-Arounds:
            none
        6) Authenticity Verification and Additional Information

______________________________________________________________________________

1) Problem Description and Brief Discussion

   This update fixes a remotely exploitable denial-of-service
   bug in squid that can be triggered by using special ftp://
   URLs. (CVE-2007-0247)
   Additionally the 10.2 package needed a fix for another DoS
   bug (CVE-2007-0248) and for max_user_ip handling in
   ntlm_auth.


2) Solution or Work-Around

   No temporary work-around known.


3) Special Instructions and Notes

   Restart squid.


4) Package Location and Checksums

   The preferred method for installing security updates is to use the YaST
   Online Update (YOU) tool. YOU detects which updates are required and
   automatically performs the necessary steps to verify and install them.
   Alternatively, download the update packages for your distribution manually
   and verify their integrity by the methods listed in Section 6 of this
   announcement. Then install the packages using the command

     rpm -Fhv 

   to apply the update, replacing  with the filename of the
   downloaded RPM package.

   
   x86 Platform:
   
   openSUSE 10.2:
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/squid-2.6.STABLE6-0.4.i586.rpm
          c1a38e8dc8301158fe717a9115e60001
   
   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/squid-2.5.STABLE12-18.6.i586.rpm
          b390a43cd014988f3444fc8a3f89af7d
   
   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/squid-2.5.STABLE10-5.5.i586.rpm
          171ae4d1ae9941da3641391f0cbb020e
   
   SUSE LINUX 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/squid-2.5.STABLE9-4.9.i586.rpm
          5abca23e37cee2bf20085951b8a59953
   
   Power PC Platform:
   
   openSUSE 10.2:
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/squid-2.6.STABLE6-0.4.ppc.rpm
          ffb0c8fe4086a913fede3cba0f1b473c
   
   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/squid-2.5.STABLE12-18.6.ppc.rpm
          bec76f3f1c4a445801117f696d438925
   
   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/squid-2.5.STABLE10-5.5.ppc.rpm
          87fc216ed79eee0d5eecf2ba24d4adfe
   
   x86-64 Platform:
   
   openSUSE 10.2:
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/squid-2.6.STABLE6-0.4.x86_64.rpm
          6b37f676418485c52d262cc8f17347f0
   
   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/squid-2.5.STABLE12-18.6.x86_64.rpm
          ddc9aaba2e99eeb2d8215acf799b8ecb
   
   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/squid-2.5.STABLE10-5.5.x86_64.rpm
          100ed655a1fbdcf4a8ed1bd98598e2bb
   
   SUSE LINUX 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/squid-2.5.STABLE9-4.9.x86_64.rpm
          599d0bb6f1cd872816eb371abf24a44e
   
   Sources:
   
   openSUSE 10.2:
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/squid-2.6.STABLE6-0.4.src.rpm
          8467df81f96919f3a1c6d55905581735
   
   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/squid-2.5.STABLE12-18.6.src.rpm
          5da1a897fdb953cb3f9801d0eda1899b
   
   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/squid-2.5.STABLE10-5.5.src.rpm
          794090e751edceb8355c4706a28c2aa5
   
   SUSE LINUX 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/squid-2.5.STABLE9-4.9.src.rpm
          6c6c1a9a0e0db47a3336d51551a859e9
   
   Our maintenance customers are notified individually. The packages are
   offered for installation from the maintenance web:
   
   UnitedLinux 1.0
     http://support.novell.com/techcenter/psdb/e4f5424c0eb495e52b8739b57f62405b.html
   
   SuSE Linux Openexchange Server 4
     http://support.novell.com/techcenter/psdb/e4f5424c0eb495e52b8739b57f62405b.html
   
   Open Enterprise Server
     http://support.novell.com/techcenter/psdb/e4f5424c0eb495e52b8739b57f62405b.html
   
   Novell Linux POS 9
     http://support.novell.com/techcenter/psdb/e4f5424c0eb495e52b8739b57f62405b.html
   
   SuSE Linux Enterprise Server 8
     http://support.novell.com/techcenter/psdb/e4f5424c0eb495e52b8739b57f62405b.html
   
   SuSE Linux Standard Server 8
     http://support.novell.com/techcenter/psdb/e4f5424c0eb495e52b8739b57f62405b.html
   
   SuSE Linux School Server
     http://support.novell.com/techcenter/psdb/e4f5424c0eb495e52b8739b57f62405b.html
   
   SUSE LINUX Retail Solution 8
     http://support.novell.com/techcenter/psdb/e4f5424c0eb495e52b8739b57f62405b.html
   
   SUSE SLES 10
     http://support.novell.com/techcenter/psdb/e4f5424c0eb495e52b8739b57f62405b.html
   
   SUSE SLED 10
     http://support.novell.com/techcenter/psdb/e4f5424c0eb495e52b8739b57f62405b.html
   
   SUSE SLES 9
     http://support.novell.com/techcenter/psdb/e4f5424c0eb495e52b8739b57f62405b.html

______________________________________________________________________________

5) Pending Vulnerabilities, Solutions, and Work-Arounds:

   none
______________________________________________________________________________

6) Authenticity Verification and Additional Information

  - Announcement authenticity verification:

    SUSE security announcements are published via mailing lists and on Web
    sites. The authenticity and integrity of a SUSE security announcement is
    guaranteed by a cryptographic signature in each announcement. All SUSE
    security announcements are published with a valid signature.

    To verify the signature of the announcement, save it as text into a file
    and run the command

      gpg --verify 

    replacing  with the name of the file where you saved the
    announcement. The output for a valid signature looks like:

      gpg: Signature made  using RSA key ID 3D25D3D9
      gpg: Good signature from "SuSE Security Team "

    where  is replaced by the date the document was signed.

    If the security team's key is not contained in your key ring, you can
    import it from the first installation CD. To import the key, use the
    command

      gpg --import gpg-pubkey-3d25d3d9-36e12d04.asc

  - Package authenticity verification:

    SUSE update packages are available on many mirror FTP servers all over the
    world. While this service is considered valuable and important to the free
    and open source software community, the authenticity and the integrity of
    a package needs to be verified to ensure that it has not been tampered
    with.

    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) Using the internal gpg signatures of the rpm package
    2) MD5 checksums as provided in this announcement

    1) The internal 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, replacing  with the
       filename of the RPM package downloaded. The package is unmodified if it
       contains a valid signature from build@suse.de with the key ID 9C800ACA.

       This key is automatically imported into the RPM database (on
       RPMv4-based distributions) and the gpg key ring of 'root' during
       installation. You can also find it on the first installation CD and at
       the end of this announcement.

    2) If you need an alternative means of verification, use the md5sum
       command to verify the authenticity of the packages. 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
       SUSE security announcement. Because the announcement containing the
       checksums is cryptographically signed (by security@suse.de), the
       checksums show proof of the authenticity of the package if the
       signature of the announcement is valid. Note that the md5 sums
       published in the SUSE Security Announcements are valid for the
       respective packages only. Newer versions of these packages cannot be
       verified.

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

    opensuse-security@opensuse.org
        -   General Linux and SUSE security discussion.
            All SUSE security announcements are sent to this list.
            To subscribe, send an e-mail to
                .

    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 e-mail to
                .

    =====================================================================
    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, the
    clear text signature should show proof of the authenticity of the text.

    SUSE Linux Products GmbH provides no warranties of any kind whatsoever
    with respect to the information contained in this security advisory.
 
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