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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2015.2454
                           qemu security update
                             21 September 2015

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           qemu
Publisher:         Debian
Operating System:  Debian GNU/Linux 7
                   Debian GNU/Linux 8
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
                   Denial of Service               -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-6855 CVE-2015-6815 CVE-2015-5279
                   CVE-2015-5278  

Original Bulletin: 
   http://www.debian.org/security/2015/dsa-3361

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running qemu check for an updated version of the software for their
         operating system.

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- - -------------------------------------------------------------------------
Debian Security Advisory DSA-3361-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
September 18, 2015                    https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : qemu
CVE ID         : CVE-2015-5278 CVE-2015-5279 CVE-2015-6815 CVE-2015-6855
Debian Bug     : 798101 799073 799074

Several vulnerabilities were discovered in qemu, a fast processor
emulator.

CVE-2015-5278

    Qinghao Tang of QIHU 360 Inc. discovered an infinite loop issue in
    the NE2000 NIC emulation. A privileged guest user could use this
    flaw to mount a denial of service (QEMU process crash).

CVE-2015-5279

    Qinghao Tang of QIHU 360 Inc. discovered a heap buffer overflow flaw
    in the NE2000 NIC emulation. A privileged guest user could use this
    flaw to mount a denial of service (QEMU process crash), or
    potentially to execute arbitrary code on the host with the
    privileges of the hosting QEMU process.

CVE-2015-6815

    Qinghao Tang of QIHU 360 Inc. discovered an infinite loop issue in
    the e1000 NIC emulation. A privileged guest user could use this flaw
    to mount a denial of service (QEMU process crash).

CVE-2015-6855

    Qinghao Tang of QIHU 360 Inc. discovered a flaw in the IDE
    subsystem in QEMU occurring while executing IDE's
    WIN_READ_NATIVE_MAX command to determine the maximum size of a
    drive. A privileged guest user could use this flaw to mount a
    denial of service (QEMU process crash).

For the oldstable distribution (wheezy), these problems have been fixed
in version 1.1.2+dfsg-6a+deb7u11.

For the stable distribution (jessie), these problems have been fixed in
version 1:2.1+dfsg-12+deb8u4.

For the testing distribution (stretch), these problems have been fixed
in version 1:2.4+dfsg-3 or earlier.

For the unstable distribution (sid), these problems have been fixed in
version 1:2.4+dfsg-3 or earlier.

We recommend that you upgrade your qemu packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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