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ESB-2014.1019 - [UNIX/Linux][Debian] samba: Multiple vulnerabilities

Date: 24 June 2014
References: ESB-2014.1127  

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

                               ESB-2014.1019
                           samba security update
                               24 June 2014

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

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

Product:           samba
Publisher:         Debian
Operating System:  Debian GNU/Linux 7
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Denial of Service        -- Remote/Unauthenticated
                   Access Confidential Data -- Existing Account      
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-3493 CVE-2014-0244 CVE-2014-0178

Original Bulletin: 
   http://www.debian.org/security/2014/dsa-2966

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

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- - -------------------------------------------------------------------------
Debian Security Advisory DSA-2966-1                   security@debian.org
http://www.debian.org/security/                         Yves-Alexis Perez
June 23, 2014                          http://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : samba
CVE ID         : CVE-2014-0178 CVE-2014-0244 CVE-2014-3493
Debian Bug     : 

Multiple vulnerabilities were discovered and fixed in Samba, a SMB/CIFS
file, print, and login server:

CVE-2014-0178

    Information leak vulnerability in the VFS code, allowing an
    authenticated user to retrieve eight bytes of uninitialized memory
    when shadow copy is enabled.

CVE-2014-0244

    Denial of service (infinite CPU loop) in the nmbd Netbios name
    service daemon. A malformed packet can cause the nmbd server to
    enter an infinite loop, preventing it to process later requests to
    the Netbios name service.

CVE-2014-3493

    Denial of service (daemon crash) in the smbd file server daemon. An
    authenticated user attempting to read a Unicode path using a
    non-Unicode request can force the daemon to overwrite memory at an
    invalid address.

For the stable distribution (wheezy), these problems have been fixed in
version 2:3.6.6-6+deb7u4.

For the testing distribution (jessie), these problems have been fixed in
version 2:4.1.9+dfsg-1.

For the unstable distribution (sid), these problems have been fixed in
version 2:4.1.9+dfsg-1.

We recommend that you upgrade your samba packages.

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

Mailing list: debian-security-announce@lists.debian.org
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This security bulletin is provided as a service to AusCERT's members.  As
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        http://www.auscert.org.au/render.html?cid=1980

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
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