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tcpdump - OpenPKG Security Advisory (tcpdump) OpenPKG-SA-2004.002



[OpenPKG-SA-2004.002] OpenPKG Security Advisory (tcpdump)

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________________________________________________________________________

OpenPKG Security Advisory                            The OpenPKG Project
http://www.openpkg.org/security.html              http://www.openpkg.org 
openpkg-security@openpkg.org                         openpkg@openpkg.org 
OpenPKG-SA-2004.002                                          16-Jan-2004
________________________________________________________________________

Package:             tcpdump
Vulnerability:       denial of service
OpenPKG Specific:    no

Affected Releases:   Affected Packages:          Corrected Packages:
OpenPKG CURRENT      <= tcpdump-3.8.1-20040108   >= tcpdump-3.8.1-20040116
OpenPKG 1.3          <= tcpdump-3.7.2-1.3.0      >= tcpdump-3.7.2-1.3.1
OpenPKG 1.2          <= tcpdump-3.7.1-1.2.1      >= tcpdump-3.7.1-1.2.2

Dependent Packages:  none

Description:
  A bunch of vulnerabilities in tcpdump [0] were found and addressed
  in the past. All of them are in the area of packet decoding. Faulty
  decoder functions can result in denial of service attacks through
  infinite loops, memory starvation and application crashes. In the
  worst case arbitrary code execution is possible.

  This OpenPKG update resolves all issues currently known, as shown in
  the following table:

                  tcpdump   371 371 372 381
                  OpenPKG   120 121 130 20020822
                            --- --- --- ---
  CAN-2002-0380 [2] nfs      X   -   -   -   see past OpenPKG-SA [1]
  CAN-2002-1350 [3] bgp      X   -   -   -   see past OpenPKG-SA [1]
  CAN-2003-0108 [4] isakmp   X   -   -   -   see past OpenPKG-SA [1]
                    depth    X   X   X   -   (*)
  CAN-2003-0989 [5] isakmp   X   X   X   -   updates CAN-2003-0108-isakmp
  CAN-2003-1029 [6] l2tp     X   X   -   -
  CAN-2004-0055 [7] radius   X   X   X   X
  CAN-2004-0057 [8] isakmp   X   X   X   X

  (*) the vendor code fix for CAN-2003-0108 had two other unrelated code
      changes piggybacked. We removed the cosmetics (constify) and
      extracted an enhancement (depth).

  Please check whether you are affected by running "/bin/rpm -q
  tcpdump". If you have the "tcpdump" package installed and its version
  is affected (see above), we recommend that you immediately upgrade it
  (see Solution). [9][10]

Solution:
  Select the updated source RPM appropriate for your OpenPKG release
  [11][12], fetch it from the OpenPKG FTP service [13][14] or a mirror
  location, verify its integrity [15], build a corresponding binary RPM
  from it [9] and update your OpenPKG installation by applying the
  binary RPM [10]. For the current release OpenPKG 1.3, perform the
  following operations to permanently fix the security problem (for
  other releases adjust accordingly).

  $ ftp ftp.openpkg.org
  ftp> bin
  ftp> cd release/1.3/UPD
  ftp> get tcpdump-3.7.2-1.3.1.src.rpm
  ftp> bye
  $ /bin/rpm -v --checksig tcpdump-3.7.2-1.3.1.src.rpm
  $ /bin/rpm --rebuild tcpdump-3.7.2-1.3.1.src.rpm
  $ su -
  # /bin/rpm -Fvh /RPM/PKG/tcpdump-3.7.2-1.3.1.*.rpm
________________________________________________________________________

References:
  [0]  http://www.tcpdump.org/ 
  [1]  http://www.openpkg.org/security/OpenPKG-SA-2003.014-tcpdump.html 
  [2]  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0380 
  [3]  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1350 
  [4]  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0108 
  [5]  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0989 
  [6]  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-1029 
  [7]  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0055 
  [8]  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0057 
  [9]  http://www.openpkg.org/tutorial.html#regular-source 
  [10] http://www.openpkg.org/tutorial.html#regular-binary 
  [11] ftp://ftp.openpkg.org/release/1.2/UPD/tcpdump-3.7.1-1.2.2.src.rpm 
  [12] ftp://ftp.openpkg.org/release/1.3/UPD/tcpdump-3.7.2-1.3.1.src.rpm 
  [13] ftp://ftp.openpkg.org/release/1.2/UPD/ 
  [14] ftp://ftp.openpkg.org/release/1.3/UPD/ 
  [15] http://www.openpkg.org/security.html#signature 
________________________________________________________________________

For security reasons, this advisory was digitally signed with the
OpenPGP public key "OpenPKG " (ID 63C4CB9F) of the
OpenPKG project which you can retrieve from http://pgp.openpkg.org and
hkp://pgp.openpkg.org. Follow the instructions on http://pgp.openpkg.org/ 
for details on how to verify the integrity of this advisory.
________________________________________________________________________

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