Linux Security
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    Debian: DSA-4443-1: samba security update

    Date 14 May 2019
    4303
    Posted By LinuxSecurity Advisories
    Isaac Boukris and Andrew Bartlett discovered that the S4U2Self Kerberos extension used in Samba's Active Directory support was susceptible to man-in-the-middle attacks caused by incomplete checksum validation.
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-4443-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    May 14, 2019                          https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : samba
    CVE ID         : CVE-2018-16860
    
    Isaac Boukris and Andrew Bartlett discovered that the S4U2Self Kerberos
    extension used in Samba's Active Directory support was susceptible to
    man-in-the-middle attacks caused by incomplete checksum validation.
    
    Details can be found in the upstream advisory at
    https://www.samba.org/samba/security/CVE-2018-16860.html
    
    For the stable distribution (stretch), this problem has been fixed in
    version 2:4.5.16+dfsg-1+deb9u2.
    
    We recommend that you upgrade your samba packages.
    
    For the detailed security status of samba please refer to its security
    tracker page at:
    https://security-tracker.debian.org/tracker/samba
    
    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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