Debian: fetchmail fix denial of service DSA-1377

    Date 21 Sep 2007
    11232
    Posted By LinuxSecurity Advisories
    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                    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
    - -------------------------------
    
    Source archives:
    
      https://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1.diff.gz
        Size/MD5 checksum:    44533 19b72a3a0b2cf08f833ea21c3e18902c
      https://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6.orig.tar.gz
        Size/MD5 checksum:  1680200 04175459cdf32fdb10d9e8fc46b633c3
      https://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1.dsc
        Size/MD5 checksum:      874 0aa3d869aba6fdfe87d1c4a626f5380e
    
    Architecture independent packages:
    
      https://security.debian.org/pool/updates/main/f/fetchmail/fetchmailconf_6.3.6-1etch1_all.deb
        Size/MD5 checksum:    61564 f587ce05ee98694f3bd4db0fa88742f7
    
    amd64 architecture (AMD x86_64 (AMD64))
    
      https://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_amd64.deb
        Size/MD5 checksum:   650278 b00d2237d26d9e588e6c03ad17f79a74
    
    arm architecture (ARM)
    
      https://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_arm.deb
        Size/MD5 checksum:   645026 67e5ebf76d55cc857610d3b326784d3c
    
    hppa architecture (HP PA RISC)
    
      https://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_hppa.deb
        Size/MD5 checksum:   654006 58d5770e497d405c1e2f867add9d6f87
    
    ia64 architecture (Intel ia64)
    
      https://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_ia64.deb
        Size/MD5 checksum:   700752 df4c57c97970537cb2f6a885bc03e54d
    
    mips architecture (MIPS (Big Endian))
    
      https://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_mips.deb
        Size/MD5 checksum:   650540 49b888adc52c5bf8d4be82c4b51d68f5
    
    powerpc architecture (PowerPC)
    
      https://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_powerpc.deb
        Size/MD5 checksum:   647060 a278efba96b95e15977628bd85af5c85
    
    s390 architecture (IBM S/390)
    
      https://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_s390.deb
        Size/MD5 checksum:   646896 e520c2c6febf1e756a75b75cbc06c723
    
    sparc architecture (Sun SPARC/UltraSPARC)
    
      https://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_sparc.deb
        Size/MD5 checksum:   641102 938f11eb5071c7e141c6ff8795af87e7
    
    
      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
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