[security-announce] SUSE Security Summary Report: SUSE-SR:2008:025

14 Nov 2008

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______________________________________________________________________________

                        SUSE Security Summary Report

        Announcement ID:        SUSE-SR:2008:025
        Date:                   Fri, 14 Nov 2008 15:00:00 +0000
        Cross-References:       CVE-2007-4324, CVE-2007-6243, CVE-2007-6716
                                CVE-2008-1673, CVE-2008-2812, CVE-2008-2931
                                CVE-2008-3272, CVE-2008-3525, CVE-2008-3527
                                CVE-2008-3528, CVE-2008-3651, CVE-2008-3652
                                CVE-2008-3833, CVE-2008-3873, CVE-2008-3963
                                CVE-2008-4097, CVE-2008-4098, CVE-2008-4210
                                CVE-2008-4302, CVE-2008-4401, CVE-2008-4503
                                CVE-2008-4546, CVE-2008-4576

    Content of this advisory:
        1) Solved Security Vulnerabilities:
            - apache2
            - ipsec-tools
            - kernel-bigsmp
            - flash-player
            - mysql
            - ktorrent
        2) Pending Vulnerabilities, Solutions, and Work-Arounds:
            none
        3) Authenticity Verification and Additional Information

______________________________________________________________________________

1) Solved Security Vulnerabilities

   To avoid flooding mailing lists with SUSE Security Announcements for minor
   issues, SUSE Security releases weekly summary reports for the low profile
   vulnerability fixes. The SUSE Security Summary Reports do not list or
   download URLs like the SUSE Security Announcements that are released for
   more severe vulnerabilities.

   Fixed packages for the following incidents are already available on our FTP
   server and via the YaST Online Update.

   - apache2
     The security update of apache2 released at 2008/11/05 packages its modules
     differently (/usr/lib/apache2-prefork vs. /usr/lib/apache2-worker). This
     can, in seldom cases, cause a services (like iPrint) stop working if it
     expects the modules in a special directory.
     New packages will be released as soon as possible.

   - ipsec-tools
     Remote attackers could exploit memory leaks in the 'racoon' daemon
     to crash it (CVE-2008-3651, CVE-2008-3652)
     Affected products: all

   - kernel-bigsmp
     This kernel update fixes various bugs and also several security issues:
       CVE-2008-4576: Fixed a crash in SCTP INIT-ACK, on mismatch between SCTP
     AUTH availability. This might be exploited remotely for a denial of
     service (crash) attack.
       CVE-2008-3833: The generic_file_splice_write function in fs/splice.c
     in the Linux kernel does not properly strip setuid and setgid bits
     when there is a write to a file, which allows local users to gain the
     privileges of a different group, and obtain sensitive information or
     possibly have unspecified other impact, by splicing into an inode in
     order to create an executable file in a setgid directory.
       CVE-2008-4210: fs/open.c in the Linux kernel before 2.6.22 does not
     properly strip setuid and setgid bits when there is a write to a file,
     which allows local users to gain the privileges of a different group, and
     obtain sensitive information or possibly have unspecified other impact,
     by creating an executable file in a setgid directory through the (1)
     truncate or (2) ftruncate function in conjunction with memory-mapped I/O.
       CVE-2008-4302: fs/splice.c in the splice subsystem in the Linux
     kernel before 2.6.22.2 does not properly handle a failure of the
     add_to_page_cache_lru function, and subsequently attempts to unlock a page
     that was not locked, which allows local users to cause a denial of service
     (kernel BUG and system crash), as demonstrated by the fio I/O tool.
       CVE-2008-3528: The ext[234] filesystem code fails to properly handle
     corrupted data structures. With a mounted filesystem image or partition
     that have corrupted dir->i_size and dir->i_blocks, a user performing
     either a read or write operation on the mounted image or partition can
     lead to a possible denial of service by spamming the logfile.
       CVE-2007-6716: fs/direct-io.c in the dio subsystem in the Linux kernel
     did not properly zero out the dio struct, which allows local users to
     cause a denial of service (OOPS), as demonstrated by a certain fio test.
       CVE-2008-3525: Added missing capability checks in sbni_ioctl().
       CVE-2008-3272: Fixed range checking in the snd_seq OSS ioctl, which
     could be used to leak information from the kernel.
       CVE-2008-2931: The do_change_type function in fs/namespace.c did not
     verify that the caller has the CAP_SYS_ADMIN capability, which allows
     local users to gain privileges or cause a denial of service by modifying
     the properties of a mountpoint.
       CVE-2008-2812: Various NULL ptr checks have been added to tty op
     functions, which might have been used by local attackers to execute
     code. We think that this affects only devices openable by root, so the
     impact is limited.
       CVE-2008-1673: Added range checking in ASN.1 handling for the CIFS and
     SNMP NAT netfilter modules.
       CVE-2008-3527: arch/i386/kernel/sysenter.c in the Virtual Dynamic Shared
     Objects (vDSO) implementation in the Linux kernel before 2.6.21 did not
     properly check boundaries, which allows local users to gain privileges
     or cause a denial of service via unspecified vectors, related to the
     install_special_mapping, syscall, and syscall32_nopage functions.
     Affected products: openSUSE 10.2

   - flash-player
     This update of flash-player fixes several critical security vulner-
     abilities that couls lead to remote system compromise.
     (CVE-2007-6243, CVE-2008-3873, CVE-2007-4324, CVE-2008-4401,
     CVE-2008-4503, CVE-2008-4546)
     Affected products: openSUSE 10.2-11.0, Novell Linux Desktop 9,
     SLED 10 SP1 and SP2

   - mysql
     Empty bit-strings in a query could crash the MySQL server (CVE-2008-3963).
     Due to another flaw users could access tables of other users (CVE-2008-
     4097, CVE-2008-4098).
     Affected products: all (so far only released for SLES10, others will
     follow)

   - ktorrent
     This update of ktorrent fixes several security issues.
     Affected products: openSUSE 10.3-11.0

______________________________________________________________________________

2) Pending Vulnerabilities, Solutions, and Work-Arounds

   none
______________________________________________________________________________

3) 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 containing 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 integrity of a
    package needs to be verified to ensure that it has not been tampered with.

    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 included at the end of this
    announcement.

  - 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
                <opensuse-security+subscribe@opensuse.org>.

    opensuse-security-announce@opensuse.org
        -   SUSE's announce-only mailing list.
            Only SUSE's security announcements are sent to this list.
            To subscribe, send an e-mail to
                <opensuse-security-announce+subscribe@opensuse.org>.

    =====================================================================
    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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Thomas Biege

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