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    Debian: DSA-3793-1: shadow security update

    Date 24 Feb 2017
    144
    Posted By LinuxSecurity Advisories
    Several vulnerabilities were discovered in the shadow suite. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2016-6252
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-3793-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    February 24, 2017                     https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : shadow
    CVE ID         : CVE-2016-6252 CVE-2017-2616
    Debian Bug     : 832170 855943
    
    Several vulnerabilities were discovered in the shadow suite. The Common
    Vulnerabilities and Exposures project identifies the following problems:
    
    CVE-2016-6252
    
        An integer overflow vulnerability was discovered, potentially
        allowing a local user to escalate privileges via crafted input to
        the newuidmap utility.
    
    CVE-2017-2616
    
        Tobias Stoeckmann discovered that su does not properly handle
        clearing a child PID. A local attacker can take advantage of this
        flaw to send SIGKILL to other processes with root privileges,
        resulting in denial of service.
    
    For the stable distribution (jessie), these problems have been fixed in
    version 1:4.2-3+deb8u3.
    
    We recommend that you upgrade your shadow 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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