Debian: DSA-2626-1: lighttpd security update

    Date17 Feb 2013
    CategoryDebian
    52
    Posted ByLinuxSecurity Advisories
    Several vulnerabilities were discovered in the TLS/SSL protocol. This update addresses these protocol vulnerabilities in lighttpd. CVE-2009-3555
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-2626-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/                           Thijs Kinkhorst
    February 17, 2013                      http://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : lighttpd
    Vulnerability  : several issues
    Problem type   : remote
    Debian-specific: no
    CVE ID         : CVE-2009-3555 CVE-2012-4929
    Debian Bug     : 700399
    
    Several vulnerabilities were discovered in the TLS/SSL protocol. This
    update addresses these protocol vulnerabilities in lighttpd.
    
    CVE-2009-3555
    
      Marsh Ray, Steve Dispensa, and Martin Rex discovered that the TLS
      and SSLv3 protocols do not properly associate renegotiation
      handshakes with an existing connection, which allows man-in-the-middle
      attackers to insert data into HTTPS sessions. This issue is solved
      in lighttpd by disabling client initiated renegotiation by default.
      
      Those users that do actually need such renegotiations, can reenable
      them via the new 'ssl.disable-client-renegotiation' parameter.
    
    CVE-2012-4929
    
      Juliano Rizzo and Thai Duong discovered a weakness in the TLS/SSL
      protocol when using compression. This side channel attack, dubbed
      'CRIME', allows eavesdroppers to gather information to recover the
      original plaintext in the protocol. This update disables compression.
    
    For the stable distribution (squeeze), these problems have been fixed in
    version 1.4.28-2+squeeze1.2.
    
    For the testing distribution (wheezy), and the unstable distribution (sid)
    these problems have been fixed in version 1.4.30-1.
    
    We recommend that you upgrade your lighttpd packages.
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: http://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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