SUSE je izdao sigurnosno upozorenje koje se odnosi na programske pakete: dovecot, exim, kdelibs, libthunarx, logrotate, postfix, pure-ftpd, python, kvm, rdesktop i viewvc. Otkrivene sigurnosne ranjivosti se mogu, između ostalog, iskoristiti za DoS napad, pokretanje proizvoljnih naredbi i programskog koda, te otkrivanje osjetljivih informacija.

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______________________________________________________________________________

                        SUSE Security Summary Report

        Announcement ID:        SUSE-SR:2011:010
        Date:                   Tue, 31 May 2011 08:00:00 +0000
        Cross-References:       CVE-2009-5024, CVE-2011-0411, CVE-2011-1098
                                CVE-2011-1154, CVE-2011-1155, CVE-2011-1168
                                CVE-2011-1407, CVE-2011-1521, CVE-2011-1575
                                CVE-2011-1588, CVE-2011-1595, CVE-2011-1720
                                CVE-2011-1750, CVE-2011-1751, CVE-2011-1929

    Content of this advisory:
        1) Solved Security Vulnerabilities:
            - postfix
            - libthunarx-2-0
            - rdesktop
            - python
            - viewvc
            - kvm
            - exim
            - logrotate
            - dovecot12/dovecot20
            - pure-ftpd
            - kdelibs4
        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.

   - postfix
     Remote attackers could potentially exploit a memory corruption issue
     in postfix' SASL implementation to execute arbitrary code
     CVE-2011-0411: CVSS v2 Base Score: 4.0 (AV:N/AC:H/Au:N/C:P/I:P/A:N)
       postfix did not clear the receive buffer after the STARTTLS command. A
     man-in-the middle could therefore inject comma    nds in the
     unencrypted stream that get interpreted in the encrypted phase after
     STARTTLS.
     CVE-2011-1720: CVSS v2 Base Score: 4.3 (AV:N/AC:M/Au:N/C:N/I:N/A:P)
     Affected Products: SLES9, SLE10-SP2, SLE10-SP3, SLE10-SP4, SLE11-SP1,
                        openSUSE 11.2, 11.3, 11.4

   - libthunarx-2-0
     Due to a format string error thunar could crash when copy&pasting a file
     name with format characters.
     CVE-2011-1588: CVSS v2 Base Score: 6.8 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
     Affected Products: openSUSE 11.4

   - rdesktop
     A malicious server could access any file on clients connecting to it if
     the client shared some ressource (CVE-2011-1595).
     CVE-2011-1595: CVSS v2 Base Score: 4.3 (AV:A/AC:H/Au:N/C:P/I:P/A:P)
     Affected Products: SLE10-SP4, SLE11-SP1, openSUSE 11.3, 11.4

   - python
     This update of python fixes a possible denial of service bug or
     information leakage vulnerability while using user-crafted ftp://
     or file:// URLs with urllib(2).
     CVE-2011-1521: CVSS v2 Base Score: 6.4 (AV:N/AC:L/Au:N/C:P/I:N/A:P)
     Affected Products: SLE10-SP3, SLE10-SP4, SLE11-SP1

   - viewvc
     cvsdb.py in viewvc did not honor an admin defined row limit which
     could cause high load on the database server. Viewvc was updated to
     version 1.1.11 which fixes the issue.
     CVE-2009-5024: CVSS v2 Base Score: 4.3 (AV:N/AC:M/Au:N/C:N/I:N/A:P)
     Affected Products: openSUSE 11.3, 11.4

   - kvm
     By causing a hot-unplug of the pci-isa bridge from within guests the
     qemu process could access already freed memory. A privileged
     user inside the guest could exploit that to crash the guest instance
     or potentially execute arbitrary code on the host.
     CVE-2011-1751: CVSS v2 Base Score: 7.4 (AV:A/AC:M/Au:S/C:C/I:C/A:C)
       The virtio-blk driver did not properly validate read and write
     request. A privileged user inside the guest could exploit that to
     cause a heap corruption and crash the guest instance or potentially
     execute arbitrary code on the host.
     CVE-2011-1750: CVSS v2 Base Score: 7.4 (AV:A/AC:M/Au:S/C:C/I:C/A:C)
     Affected Products: SLE11-SP1, openSUSE 11.3, 11.4

   - exim
     This update fixes a security issues:
     + exim remote code exection
       CVE-2011-1407: CVSS v2 Base Score: 6.8 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
     + also some safety improvements regarding STARTTLS.
     Affected Products: openSUSE 11.3, 11.4

   - dovecot12/dovecot20
     Dovecot crash when parsing mail headers that contain NUL characters.
     CVE-2011-1929: CVSS v2 Base Score: 5.0 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
     Affected Products: openSUSE 11.3, 11.4

   - logrotate
     This update for logrotate provides the following fixes:
     + Race condition in the createOutputFile function in logrotate allows
       local users to read log data by opening a file before the intended
       permissions are in place.
       CVE-2011-1098: CVSS v2 Base Score: 1.9 (AV:L/AC:M/Au:N/C:P/I:N/A:N)
     + The writeState function in logrotate might allow context-dependent
       attackers to cause a denial of service (rotation outage) via a
       (1) 
 (newline) or (2)  (backslash) character in a log filename, as
       demonstrated by a filename that is automatically constructed on the
       basis of a hostname or virtual machine name.
       CVE-2011-1155: CVSS v2 Base Score: 1.9 (AV:L/AC:M/Au:N/C:N/I:N/A:P)
     + In addition, the missingok option has been improved
     Affected Products: SLE10-SP3, SLE10-SP4, SLE11-SP1, openSUSE 11.3, 11.4

   - pure-ftpd
     Pure-ftpd is vulnerable to the STARTTLS command injection issue similar
     to CVE-2011-0411 of postfix.
     CVE-2011-1575: CVSS v2 Base Score: 4.0 (AV:N/AC:H/Au:N/C:P/I:P/A:N)
     Affected Products: SLE10-SP3, SLE10-SP4, SLE11-SP1, openSUSE 11.2,
                        11.3, 11.4

   - kdelibs4
     A XSS vulnerability in the way KHTML handles error pages has been
     fixed.
     CVE-2011-1168: CVSS v2 Base Score: 4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
     Affected Products: SLE11-SP1, openSUSE 11.2, 11.3, 11.4

______________________________________________________________________________

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 <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.>"

    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 Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite. 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:

    Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.
        -   General Linux and SUSE security discussion.
            All SUSE security announcements are sent to this list.
            To subscribe, send an e-mail to
                <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.>.

    Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.
        -   SUSE's announce-only mailing list.
            Only SUSE's security announcements are sent to this list.
            To subscribe, send an e-mail to
                <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.>.

    =====================================================================
    SUSE's security contact is <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> or <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.>.
    The <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 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 <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.>
pub  1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.>

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