Debian: DSA-3983-1: samba security update

    Date22 Sep 2017
    CategoryDebian
    59
    Posted ByLinuxSecurity Advisories
    Multiple security issues have been discoverd in Samba, a SMB/CIFS file, print, and login server for Unix: CVE-2017-12150
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    Debian Security Advisory DSA-3983-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                       Moritz Muehlenhoff
    September 22, 2017                    https://www.debian.org/security/faq
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    Package        : samba
    CVE ID         : CVE-2017-12150 CVE-2017-12151 CVE-2017-12163
    
    Multiple security issues have been discoverd in Samba, a SMB/CIFS file,
    print, and login server for Unix:
    
    CVE-2017-12150
    
        Stefan Metzmacher discovered multiple code paths where SMB signing
        was not enforced.
    
    CVE-2017-12151
    
        Stefan Metzmacher discovered that tools using libsmbclient did not
        enforce encryption when following DFS redirects, which could allow a
        man-in-the-middle attacker to read or modify connections which were
        meant to be encrypted.
    
    CVE-2017-12163
    
        Yihan Lian and Zhibin Hu discovered that insufficient range checks
        in the processing of SMB1 write requests could result in disclosure
        of server memory.
    
    For the oldstable distribution (jessie), these problems have been fixed
    in version 2:4.2.14+dfsg-0+deb8u8.
    
    For the stable distribution (stretch), these problems have been fixed in
    version 2:4.5.8+dfsg-2+deb9u2.
    
    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: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    
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