Message-ID: <44ca2bc0.HbgG2nrAqaB/v+PZ%meissner@suse.de>
Date: Fri, 28 Jul 2006 17:22:40 +0200
From: Marcus Meissner <meissner@...e.de>
To: full-disclosure@...ts.grok.org.uk
Subject: SUSE Security Announcement: apache,
 apache2 mod_rewrite problem (SUSE-SA:2006:043)


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______________________________________________________________________________

                        SUSE Security Announcement

        Package:                apache,apache2
        Announcement ID:        SUSE-SA:2006:043
        Date:                   Fri, 28 Jul 2006 17:00:00 +0000
        Affected Products:      SLE SDK 10
                                SUSE LINUX 10.1
                                SUSE LINUX 10.0
                                SUSE LINUX 9.3
                                SUSE LINUX 9.2
                                SUSE SLES 10
                                SUSE SLES 9
        Vulnerability Type:     remote denial of service
        Severity (1-10):        6
        SUSE Default Package:   yes
        Cross-References:       CVE-2005-3352, CVE-2006-3747

    Content of This Advisory:
        1) Security Vulnerability Resolved:
             Apache off by one security problem
           Problem Description
        2) Solution or Work-Around
        3) Special Instructions and Notes
        4) Package Location and Checksums
        5) Pending Vulnerabilities, Solutions, and Work-Arounds:
            See SUSE Security Summary Report.
        6) Authenticity Verification and Additional Information

______________________________________________________________________________

1) Problem Description and Brief Discussion

   The following security problem was fixed in the Apache and Apache 2
   web servers:

   mod_rewrite: Fix an off-by-one security problem in the ldap scheme
   handling. For some RewriteRules this could lead to a pointer being
   written out of bounds. Depending on stack alignment this could be
   used to potentially execute code.

   The mod_rewrite module is not enabled per default in our packages.

   This problem is tracked by the Mitre CVE ID CVE-2006-3747.

   A more detailed description of this problem is available in:

	   http://www.apache.org/dist/httpd/Announcement2.0.html

   For SUSE Linux 10.0, 10.1 and SUSE Linux Enterprise 10 additionally
   a old bug was fixed that we missed to forward port to the Apache 2.2
   packages:

   mod_imap: Fixes a cross-site-scripting bug in the imagemap module.
   This issue is tracked by the Mitre CVE ID CVE-2005-3352.

2) Solution or Work-Around

   There is no known workaround, please install the update packages.

3) Special Instructions and Notes

   Please close and restart all running instances of Apache 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.


   x86 Platform:

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/apache2-2.2.0-21.7.i586.rpm
          124342d5311b318586d91d12117bdd2a
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/apache2-prefork-2.2.0-21.7.i586.rpm
          4a73ae89777943f4127743f817f0a0a5
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/apache2-worker-2.2.0-21.7.i586.rpm
          1905af7f606986f1818ebed5bd3382d5

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/apache2-2.0.54-10.5.i586.rpm
          adf6c8665b9f0f36c6a7720a8f1bfad1
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/apache2-prefork-2.0.54-10.5.i586.rpm
          1cbcec6896dc46504140177b48ca014d
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/apache2-worker-2.0.54-10.5.i586.rpm
          f721e397c518cc6160886a1296e5a109

   SUSE LINUX 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/apache2-2.0.53-9.12.i586.rpm
          e6ae2ee1353c1f1c31c0595b60d18137
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/apache2-prefork-2.0.53-9.12.i586.rpm
          cb02c5f97671d2ab0a64215ed9987c2f
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/apache2-worker-2.0.53-9.12.i586.rpm
          b8872991cf54d99659e60d860d0c44e8

   SUSE LINUX 9.2:
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/apache2-2.0.50-7.14.i586.rpm
          9365d403839e7c0740aae1e2f1b6cdfc
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/apache2-prefork-2.0.50-7.14.i586.rpm
          97d506d68996f80ffaaaa6494a127f7c
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/apache2-worker-2.0.50-7.14.i586.rpm
          f649e8eb98d43d6a44231f0c7453c9b2

   Power PC Platform:

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/apache2-2.2.0-21.7.ppc.rpm
          133b02c7a3a52a2bf144ece351ba00a1
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/apache2-prefork-2.2.0-21.7.ppc.rpm
          099056b7a0f634ff1daf583ce2163839
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/apache2-worker-2.2.0-21.7.ppc.rpm
          a22ae78408cedfea6d66362509d3c721

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/apache2-2.0.54-10.5.ppc.rpm
          16a119e6dab8e972a992ef37bd9973aa
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/apache2-prefork-2.0.54-10.5.ppc.rpm
          fcb8c3ca92f1b9a39791f51aad5b8907
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/apache2-worker-2.0.54-10.5.ppc.rpm
          0f5dff953aea37964958bc0ed8932412

   x86-64 Platform:

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/apache2-2.2.0-21.7.x86_64.rpm
          3ab36db089d7f3d60a7114820970afdd
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/apache2-prefork-2.2.0-21.7.x86_64.rpm
          b7e9bc09fe9684292acf0e7ed0218b14
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/apache2-worker-2.2.0-21.7.x86_64.rpm
          b6b1ab1c03073f7f2acc07a0231ea532

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/apache2-2.0.54-10.5.x86_64.rpm
          17c4bdc7577446bf45335ba58ebb3513
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/apache2-prefork-2.0.54-10.5.x86_64.rpm
          d55a93a86ae6b5bf037ee336d4307133
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/apache2-worker-2.0.54-10.5.x86_64.rpm
          e64fc86d3337913db0c22ffde3519a36

   SUSE LINUX 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/apache2-2.0.53-9.12.x86_64.rpm
          d4996884e49ef11d27c97340efb6f079
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/apache2-prefork-2.0.53-9.12.x86_64.rpm
          5b599e78e59c7b59dc199777fe2c4eea
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/apache2-worker-2.0.53-9.12.x86_64.rpm
          09f0f1dc18761a8a902f2dc5ab166883

   SUSE LINUX 9.2:
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/apache2-2.0.50-7.14.x86_64.rpm
          595101ab05dfe5117ddab1d1f1463a28
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/apache2-prefork-2.0.50-7.14.x86_64.rpm
          112fe5dd14b66a4fbb82c3c5178bef69
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/apache2-worker-2.0.50-7.14.x86_64.rpm
          7c07b8b400e6ed13a4707c3ebe1eed3a

   Sources:

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/apache2-2.2.0-21.7.src.rpm
          493d11cc099e975bc0974611cf936816

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/apache2-2.0.54-10.5.src.rpm
          b83da64c6ad0b76d7a3a8bf909d61d39

   SUSE LINUX 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/apache2-2.0.53-9.12.src.rpm
          5d4c85c7f60ea5c73df0fba7d92bec35

   SUSE LINUX 9.2:
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/apache2-2.0.50-7.14.src.rpm
          2c4e95c0ebe9bee49dec733cbdeb42d3

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

   SUSE SLES 10
     http://support.novell.com/cgi-bin/search/searchtid.cgi?psdb/90eac595ae9e6c7fbeab2e05fb53a852.html

   SLE SDK 10
     http://support.novell.com/cgi-bin/search/searchtid.cgi?psdb/90eac595ae9e6c7fbeab2e05fb53a852.html

   SUSE SLES 9
     http://support.novell.com/cgi-bin/search/searchtid.cgi?psdb/90eac595ae9e6c7fbeab2e05fb53a852.html
     http://support.novell.com/cgi-bin/search/searchtid.cgi?psdb/5d0c08a7586a4b960c62a9ab75e96a7c.html

______________________________________________________________________________

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

   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@...e.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@...e.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@...e.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@...e.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@...e.com>.

    suse-security-announce@...e.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@...e.com>.

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

    =====================================================================
    SUSE's security contact is <security@...e.com> or <security@...e.de>.
    The <security@...e.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@...e.de>
pub  1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build@...e.de>

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