Linux Security
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    Debian: New fetchmail packages fix denial of service

    Date
    4556
    Posted By
    Matthias Andree discovered that fetchmail, an SSL enabled POP3, APOP and IMAP mail gatherer/forwarder, can under certain circumstances attempt to dereference a NULL pointer and crash.
    - ------------------------------------------------------------------------
    Debian Security Advisory DSA-1377-2                  This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                               Steve Kemp
    September 21, 2007                    https://www.debian.org/security/faq
    - ------------------------------------------------------------------------
    
    Package        : fetchmail
    Vulnerability  : null pointer dereference
    Problem type   : remote
    Debian-specific: no
    CVE Id(s)      : CVE-2007-4565
    
    Matthias Andree discovered that fetchmail, an SSL enabled POP3, APOP 
    and IMAP mail gatherer/forwarder, can under certain circumstances 
    attempt to dereference a NULL pointer and crash.
    
    For the stable distribution (etch), this problem has been fixed in
    version 6.3.6-1etch1.
    
    For the old stable distribution (sarge), this problem was not present.
    
    For the unstable distribution (sid), this problem will be fixed soon.
    
    We recommend that you upgrade your fetchmail package.
    
    Upgrade instructions
    - --------------------
    
    wget url
            will fetch the file for you
    dpkg -i file.deb
            will install the referenced file.
    
    If you are using the apt-get package manager, use the line for
    sources.list as given below:
    
    apt-get update
            will update the internal database
    apt-get upgrade
            will install corrected packages
    
    You may use an automated update by adding the resources from the
    footer to the proper configuration.
    
    
    Debian GNU/Linux 4.0 alias etch
    - -------------------------------
    
    i386 architecture (Intel ia32)
    
      https://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_i386.deb
        Size/MD5 checksum:   641344 2eadc43a18712b3a1763094f7c837475
    
    
      These files will probably be moved into the stable distribution on
      its next update.
    
    - ---------------------------------------------------------------------------------
    For apt-get: deb https://security.debian.org/ stable/updates main
    For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    

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