SUSE Security Announcement: awstats remote code execution (SUSE-SA:2006:033)

20 Jun 2006

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______________________________________________________________________________

                        SUSE Security Announcement

        Package:                awstats
        Announcement ID:        SUSE-SA:2006:033
        Date:                   Tue, 20 Jun 2006 10:00:00 +0000
        Affected Products:      SUSE LINUX 10.1
                                SUSE LINUX 10.0
                                SUSE LINUX 9.3
                                SUSE LINUX 9.2
                                SUSE LINUX 9.1
        Vulnerability Type:     remote code execution
        Severity (1-10):        6
        SUSE Default Package:   no
        Cross-References:       CVE-2006-2237, CVE-2006-2644

    Content of This Advisory:
        1) Security Vulnerability Resolved:
             awstats remote command injection
           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

   This update fixes remote code execution vulnerabilities in the WWW
   statistical analyzer awstats.

   Since back porting awstats fixes is error prone we have upgraded it
   to upstream version 6.6 which also includes new features.

   Following security issues were fixed:
   - CVE-2006-2237: missing sanitizing of the "migrate" parameter. #173041
   - CVE-2006-2644: missing sanitizing of the "configdir" parameter. #173041
   - Make sure open() only opens files for read/write by adding explicit <
     and >.

2) Solution or Work-Around

   Please install the update packages.

   Some workarounds are:
   - Deinstall awstats if you do not need it.
   - Protect the awstats CGI by normal web access protection methods so
     that only authorized users can access it.

3) Special Instructions and Notes

   None.

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.

   Platform Independent:

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/noarch/awstats-6.6-0.1.noarch.rpm
          a70bfe537486e3f318b371ad610c373c

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/noarch/awstats-6.6-0.1.noarch.rpm
          2d8eb8d53dee2adaeab7474d39d6ae2c

   SUSE LINUX 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/noarch/awstats-6.6-0.1.noarch.rpm
          e38bb2ae10bc598708b1e38b3e3c4bdf

   SUSE LINUX 9.2:
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/noarch/awstats-6.6-0.1.noarch.rpm
          d0e86bbc349ce339e76dbe13ed5c3e30

   SUSE LINUX 9.1:
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/noarch/awstats-6.6-0.1.noarch.rpm
          385a3eca20f8dd779f64c71449700886
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/noarch/awstats-6.6-0.1.noarch.rpm
          312e17aef1372843f14e676477d5e6c8

   Sources:

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/awstats-6.6-0.1.src.rpm
          6accf63aa103dbffd728da8287006437

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/awstats-6.6-0.1.src.rpm
          4ab4c7a702ca7043fbd2e6e4fe56c8fb

   SUSE LINUX 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/awstats-6.6-0.1.src.rpm
          bdaccf1a0eff3551e5fd3ee99129f843

   SUSE LINUX 9.2:
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/awstats-6.6-0.1.src.rpm
          0363176a39bafe164617da4ee85f05d7

   SUSE LINUX 9.1:
   ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/awstats-6.6-0.1.src.rpm
          2d3b029476f5ff91f3fe483ae1bad9fe
   ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/awstats-6.6-0.1.src.rpm
          7a27454e22fd62673af6c184c0bb6956

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

______________________________________________________________________________

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@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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Marcus Meissner

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