Debian: DSA-2551-1: isc-dhcp security update

    Date 23 Sep 2012
    103
    Posted By LinuxSecurity Advisories
    Glen Eustace discovered that the ISC DHCP server, a server for automatic IP address assignment, is not properly handling changes in the expiration times of a lease. An attacker may use this flaw to crash the service and cause denial of service conditions, by reducing the expiration time
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    Debian Security Advisory DSA-2551-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                                Nico Golde
    September 23, 2012                     https://www.debian.org/security/faq
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    Package        : isc-dhcp
    Vulnerability  : denial of service
    Problem type   : remote
    Debian-specific: no
    CVE ID         : CVE-2012-3955
    
    Glen Eustace discovered that the ISC DHCP server, a server for automatic
    IP address assignment, is not properly handling changes in the expiration
    times of a lease.  An attacker may use this flaw to crash the service
    and cause denial of service conditions, by reducing the expiration time
    of an active IPv6 lease.
    
    For the stable distribution (squeeze), this problem has been fixed in
    version 4.1.1-P1-15+squeeze8.
    
    For the testing distribution (wheezy), this problem has will be fixed soon.
    
    For the unstable distribution (sid), this problem has been fixed in
    version 4.2.4-2.
    
    
    We recommend that you upgrade your isc-dhcp 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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