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______________________________________________________________________________

                        SUSE Security Announcement

        Package:                squid
        Announcement ID:        SUSE-SA:2005:053
        Date:                   Fri, 16 Sep 2005 14:28:00 +0000
        Affected Products:      9.0, 9.1, 9.2, 9.3
                                SUSE Linux Enterprise Server 8, 9
                                Open Enterprise Server 9
        Vulnerability Type:     remote denial of service
        Severity (1-10):        4
        SUSE Default Package:   no
        Cross-References:       CAN-2005-2794
                                CAN-2005-2796

    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 Workarounds:
            none
        6) Authenticity Verification and Additional Information

______________________________________________________________________________

1) Problem Description and Brief Discussion

   This update of the Squid web-proxy fixes two remotely exploitable denial
   of service vulnerabilities.

   One can be triggered by aborting a request (CAN-2005-2794) due to a faulty
   assertion.

   The other one occurs in sslConnectTimeout while handling malformated
   requests (CAN-2005-2796).

   The latter one does not affect SUSE LINUX 9.3.

2) Solution or Workaround

   There are no workarounds known.

3) Special Instructions and Notes

   Please restart the Squid web-proxy after the update.

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 <file.rpm>

   to apply the update, replacing <file.rpm> with the filename of the
   downloaded RPM package.

   Our maintenance customers are notified individually. The packages are
   offered for installation from the maintenance web.

   x86 Platform:

   SUSE Linux 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/squid-2.5.STABLE9-4.4.i586.rpm
     eea572b10ecf573753af16ecf1fbdaa7
   patch rpm(s):
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/squid-2.5.STABLE9-4.4.i586.patch.rpm
     becf331a849332d734d72f90801d8338
   source rpm(s):
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/squid-2.5.STABLE9-4.4.src.rpm
     8c0ffeccd0c8fd64418164f275adbd27

   SUSE Linux 9.2:
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/squid-2.5.STABLE6-6.15.i586.rpm
     93720922d4f7ae4370b2c4e493fae592
   patch rpm(s):
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/squid-2.5.STABLE6-6.15.i586.patch.rpm
     9e4d07f1f11c8c1cbf7564c8d2164ca7
   source rpm(s):
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/squid-2.5.STABLE6-6.15.src.rpm
     236cb11582b4983350ef81e5e8508c39

   SUSE Linux 9.1:
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/squid-2.5.STABLE5-42.41.i586.rpm
     dc9848a817367dfe278a6f3954c6677f
   patch rpm(s):
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/squid-2.5.STABLE5-42.41.i586.patch.rpm
     5c534d9df125a3ff02c5fa32bf216f64
   source rpm(s):
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/squid-2.5.STABLE5-42.41.src.rpm
     4dd683495e578ec59bd34260caf9a565

   SUSE Linux 9.0:
   ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/squid-2.5.STABLE3-126.i586.rpm
     6d094da21806166dde5f6da8307ca2a2
   patch rpm(s):
   ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/squid-2.5.STABLE3-126.i586.patch.rpm
     02172274b15a28b918c54d470203d029
   source rpm(s):
   ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/squid-2.5.STABLE3-126.src.rpm
     3cfae65a6cee24e6cfe8adc4226fa601



   x86-64 Platform:

   SUSE Linux 9.3:
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.3/rpm/x86_64/squid-2.5.STABLE9-4.4.x86_64.rpm
     d07ae04a018a3abb082cd0b130c145a0
   patch rpm(s):
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.3/rpm/x86_64/squid-2.5.STABLE9-4.4.x86_64.patch.rpm
     cbcb39ccc9ee0340692ae3cf048453ff
   source rpm(s):
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.3/rpm/src/squid-2.5.STABLE9-4.4.src.rpm
     8c0ffeccd0c8fd64418164f275adbd27

   SUSE Linux 9.2:
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.2/rpm/x86_64/squid-2.5.STABLE6-6.15.x86_64.rpm
     915b0b2955f878a2e89b171d1335274c
   patch rpm(s):
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.2/rpm/x86_64/squid-2.5.STABLE6-6.15.x86_64.patch.rpm
     c488ab4031de911b6675a785a4d2a4dd
   source rpm(s):
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.2/rpm/src/squid-2.5.STABLE6-6.15.src.rpm
     236cb11582b4983350ef81e5e8508c39

   SUSE Linux 9.1:
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/squid-2.5.STABLE5-42.41.x86_64.rpm
     6fc9746898681ee217f884f6aaca8e68
   patch rpm(s):
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/squid-2.5.STABLE5-42.41.x86_64.patch.rpm
     37ada616c159242b53e2dfbf5f94597c
   source rpm(s):
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/squid-2.5.STABLE5-42.41.src.rpm
     310321fd1232ea45ccb06fd5b24ba664

   SUSE Linux 9.0:
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/squid-2.5.STABLE3-126.x86_64.rpm
     f39071c7802d8bb77ed00038e095a6af
   patch rpm(s):
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/squid-2.5.STABLE3-126.x86_64.patch.rpm
     05f996332331ddebf848cc2726fcbc87
   source rpm(s):
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/squid-2.5.STABLE3-126.src.rpm
     3c7e8fc9a5e0cf4c6638d57fed2fdf53

______________________________________________________________________________

5) Pending Vulnerabilities, Solutions, and Workarounds:

   See SUSE Security Summary Report.
______________________________________________________________________________

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 <file>

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

      gpg: Signature made <DATE> using RSA key ID 3D25D3D9
      gpg: Good signature from "SuSE Security Team <security@suse.de>"

    where <DATE> 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 <file.rpm>

       to verify the signature of the package, replacing <file.rpm> 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 <filename.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
       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:

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

    =====================================================================
    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, 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.

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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