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[SECURITY] [DSA 1702-1] New ntp packages fix cryptographic weakness

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Debian Security Advisory DSA-1702-1                  security@xxxxxxxxxx
http://www.debian.org/security/                           Florian Weimer
January 12, 2009                      http://www.debian.org/security/faq
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Package        : ntp
Vulnerability  : interpretation conflict
Problem type   : remote
Debian-specific: no
CVE Id(s)      : CVE-2009-0021
Debian Bug     : 511227

It has been discovered that NTP, an implementation of the Network Time
Protocol, does not properly check the result of an OpenSSL function
for verifying cryptographic signatures, which may ultimately lead to
the acceptance of unauthenticated time information.  (Note that
cryptographic authentication of time servers is often not enabled in
the first place.)

For the stable distribution (etch), this problem has been fixed in
version 4.2.2.p4+dfsg-2etch1.

For the unstable distribution (sid), this problem has been fixed in
version 4.2.4p4+dfsg-8.

The testing distribution (lenny) will be fixed soon.

We recommend that you upgrade your ntp 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:

  
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch1.dsc
    Size/MD5 checksum:      906 e0ae8fa9aad8606ad51a06511159c27d
  
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg.orig.tar.gz
    Size/MD5 checksum:  2199764 ad746cda2d90dbb9ed06fe164273c5d0
  
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch1.diff.gz
    Size/MD5 checksum:   176270 339515bd8d7e653a9fedb2bcad03bb74

Architecture independent packages:

  
http://security.debian.org/pool/updates/main/n/ntp/ntp-doc_4.2.2.p4+dfsg-2etch1_all.deb
    Size/MD5 checksum:   910396 fc7d395c11365e371d58da5ab0d34bba
  
http://security.debian.org/pool/updates/main/n/ntp/ntp-simple_4.2.2.p4+dfsg-2etch1_all.deb
    Size/MD5 checksum:    28380 4b4c4955ecd354a4bc884027786c368f
  
http://security.debian.org/pool/updates/main/n/ntp/ntp-refclock_4.2.2.p4+dfsg-2etch1_all.deb
    Size/MD5 checksum:    28382 31adec52e5d82d9d3026a41b37dc6936

alpha architecture (DEC Alpha)

  
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch1_alpha.deb
    Size/MD5 checksum:    64790 9f577a186d01ad00e9882cd3424d2cac
  
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch1_alpha.deb
    Size/MD5 checksum:   407826 3e07d1ea475302dd39019d1bdc982ce7

amd64 architecture (AMD x86_64 (AMD64))

  
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch1_amd64.deb
    Size/MD5 checksum:    61274 0aedd7774998dfb1641860d66821af35
  
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch1_amd64.deb
    Size/MD5 checksum:   359176 a0e6375e933a8e591f34122fdf8b2bb0

hppa architecture (HP PA RISC)

  
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch1_hppa.deb
    Size/MD5 checksum:    61736 9230c434db7c6b89c8ca032262653d91
  
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch1_hppa.deb
    Size/MD5 checksum:   373162 36909f95cddcfda62096aa9052441189

i386 architecture (Intel ia32)

  
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch1_i386.deb
    Size/MD5 checksum:   328564 91103db311d21a9da3fa7fbd3c3d076a
  
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch1_i386.deb
    Size/MD5 checksum:    57832 fc544d64adaac58dde6aef81a18a70fa

ia64 architecture (Intel ia64)

  
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch1_ia64.deb
    Size/MD5 checksum:    74470 19e2e2b4124a7ca1a82e43a29b3b99b5
  
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch1_ia64.deb
    Size/MD5 checksum:   523072 9b004e17c3541978ee1abdf2e02494bb

mipsel architecture (MIPS (Little Endian))

  
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch1_mipsel.deb
    Size/MD5 checksum:   389912 45526855df18c76e2eb826983c3d450f
  
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch1_mipsel.deb
    Size/MD5 checksum:    63888 5bbabab2a3c5571b3c2fd82a80bb5582

powerpc architecture (PowerPC)

  
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch1_powerpc.deb
    Size/MD5 checksum:   358632 187ec033929b189b6cd3dcb3f9377fbf
  
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch1_powerpc.deb
    Size/MD5 checksum:    61452 3e0560060aee1113105db444eddad1be

s390 architecture (IBM S/390)

  
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch1_s390.deb
    Size/MD5 checksum:    60998 2dd5ba10abba0a55e5f22c76b67460fb
  
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch1_s390.deb
    Size/MD5 checksum:   349954 adeac4a7f39c3a2e945cfaf76e8159dc

sparc architecture (Sun SPARC/UltraSPARC)

  
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch1_sparc.deb
    Size/MD5 checksum:   331972 a56d5e21ed84396f7439d7d49a5884ab
  
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch1_sparc.deb
    Size/MD5 checksum:    58316 78936a99f622964adb9f08f1739f77c9


  These files will probably be moved into the stable distribution on
  its next update.

- 
---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security 
dists/stable/updates/main
Mailing list: debian-security-announce@xxxxxxxxxxxxxxxx
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
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