Linux Security
    Linux Security
    Linux Security

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

    Date
    120
    Posted By
    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
    -----BEGIN PGP SIGNED MESSAGE-----
    Hash: SHA1
    
    - -------------------------------------------------------------------------
    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
    - -------------------------------------------------------------------------
    
    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.
    
    

    Advisories

    LinuxSecurity Poll

    Which aspect of server security are you most interested in learning more about?

    No answer selected. Please try again.
    Please select either existing option or enter your own, however not both.
    Please select minimum 0 answer(s) and maximum 3 answer(s).
    /main-polls/38-which-aspect-of-server-security-are-you-most-interested-in-learning-more-about?task=poll.vote&format=json
    38
    radio
    [{"id":"131","title":"Preventing information leakage","votes":"1","type":"x","order":"1","pct":100,"resources":[]},{"id":"132","title":"Firewall considerations","votes":"0","type":"x","order":"2","pct":0,"resources":[]},{"id":"133","title":"Permissions ","votes":"0","type":"x","order":"3","pct":0,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350


    VIEW MORE POLLS

    bottom 200

    Please enable / Bitte aktiviere JavaScript!
    Veuillez activer / Por favor activa el Javascript![ ? ]

    We use cookies to provide and improve our services. By using our site, you consent to our Cookie Policy.