The Debian Security Team published a new security update for Debian GNU/Linux. Here the announcement:
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Debian Security Advisory DSA-1908-1 security@debian.org
http://www.debian.org/security/ Nico Golde
December 8th, 2009 http://www.debian.org/security/faq
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Package : ntp
Vulnerability : denial of service
Problem type : remote
Debian-specific: no
Debian bug : 560074
CVE ID : CVE-2009-3563
Robin Park and Dmitri Vinokurov discovered that the daemon component of
the ntp package, a reference implementation of the NTP protocol, is
not properly reacting to certain incoming packets.
An unexpected NTP mode 7 packets (MODE_PRIVATE) with spoofed IP data can lead
ntpd to reply with a mode 7 response to the spoofed address. This may result
in the service playing packet ping-pong with other ntp servers or even itself
which causes CPU usage and excessive disk use due to logging. An attacker
can use this to conduct denial of service attacks.
For the oldstable distribution (etch), this problem has been fixed in
version 1:4.2.2.p4+dfsg-2etch4.
For the stable distribution (lenny), this problem has been fixed in
version 1:4.2.4p4+dfsg-8lenny3.
For the testing (squeeze) and unstable (sid) distribution, this problem
will be fixed soon.
We recommend that you upgrade your ntp packages.
Upgrade instructions
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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
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Debian (oldstable)
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Oldstable updates are available for alpha, amd64, arm, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc.
Source archives:
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch4.dsc
Size/MD5 checksum: 906 115e93f010e32aa1c90231461487503a
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-2etch4.diff.gz
Size/MD5 checksum: 182632 80aa236bd0a39096c5e5d462c0b9b279
Architecture independent packages:
http://security.debian.org/pool/updates/main/n/ntp/ntp-refclock_4.2.2.p4+dfsg-2etch4_all.deb
Size/MD5 checksum: 28596 df605f89c08a01116c2ff799777f6a2c
http://security.debian.org/pool/updates/main/n/ntp/ntp-simple_4.2.2.p4+dfsg-2etch4_all.deb
Size/MD5 checksum: 28594 0c683ac7e7f5b131515f956aed87de3d
http://security.debian.org/pool/updates/main/n/ntp/ntp-doc_4.2.2.p4+dfsg-2etch4_all.deb
Size/MD5 checksum: 912886 1af5a623cbf5f145f34dab7beefcd183
alpha architecture (DEC Alpha)
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch4_alpha.deb
Size/MD5 checksum: 408070 ca33235c58a26ad1a839084b4f2d385c
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch4_alpha.deb
Size/MD5 checksum: 65056 e527eb4c93d427c025374805fb5288cb
amd64 architecture (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch4_amd64.deb
Size/MD5 checksum: 62258 13a4f4faaf699913e421c093e598f2a9
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch4_amd64.deb
Size/MD5 checksum: 359384 1a289aa1f8439e2ef736cbf29bbe140f
arm architecture (ARM)
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch4_arm.deb
Size/MD5 checksum: 59784 8a84cae4e8f643cbd3ed684e5a7eb0ff
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch4_arm.deb
Size/MD5 checksum: 344316 57066e8abfdf51c36d63600c993f3c20
hppa architecture (HP PA RISC)
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch4_hppa.deb
Size/MD5 checksum: 372448 0b8f9b90bb03a2f572066fe8b47c7202
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch4_hppa.deb
Size/MD5 checksum: 62160 88dc964fa357187ddc97d37513a863ba
i386 architecture (Intel ia32)
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch4_i386.deb
Size/MD5 checksum: 58316 90fc92e7a8f6582ee21076849ae0dfba
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch4_i386.deb
Size/MD5 checksum: 333772 e5fbae24686d444fff118f3ce9cc45db
ia64 architecture (Intel ia64)
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch4_ia64.deb
Size/MD5 checksum: 523358 0032e3c9bcb4a27a312a47fb95d1f9a1
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch4_ia64.deb
Size/MD5 checksum: 74712 72c1b601f4beb41c6c04a54534ba9c51
mips architecture (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch4_mips.deb
Size/MD5 checksum: 382868 2980d63a9ca6344e6a76698d0e808f8c
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch4_mips.deb
Size/MD5 checksum: 63610 d523930b9b98d6353bf4e6fb7d7e57f5
mipsel architecture (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch4_mipsel.deb
Size/MD5 checksum: 64134 e4042de5af081701911a7cece69c6cce
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch4_mipsel.deb
Size/MD5 checksum: 390142 b50dc2bd5970f224b6994c460f8f560a
powerpc architecture (PowerPC)
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch4_powerpc.deb
Size/MD5 checksum: 358860 432b58ad621ac266455f7e5124d2eb1c
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch4_powerpc.deb
Size/MD5 checksum: 61760 2c9dd1b3a8d61bece4f420e533b7a6eb
s390 architecture (IBM S/390)
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch4_s390.deb
Size/MD5 checksum: 350300 40a28748d5016101c179bd4a22c08390
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch4_s390.deb
Size/MD5 checksum: 61242 14c08344bfd0561ced0d54aa2cd23a2e
sparc architecture (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.2.p4+dfsg-2etch4_sparc.deb
Size/MD5 checksum: 58584 0e573ef22b1514b12e01fa6ac2bb1ddb
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.2.p4+dfsg-2etch4_sparc.deb
Size/MD5 checksum: 332284 4589ff44bc97ad73513d8ba5419c7845
Debian GNU/Linux 5.0 alias lenny
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Debian (stable)
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Stable updates are available for alpha, amd64, arm, armel, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc.
Source archives:
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.4p4+dfsg-8lenny3.dsc
Size/MD5 checksum: 1459 81e70fe84f27e3bfabdbfb9f3122492b
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.4p4+dfsg.orig.tar.gz
Size/MD5 checksum: 2835029 dc2b3ac9cc04b0f29df35467514c9884
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.4p4+dfsg-8lenny3.diff.gz
Size/MD5 checksum: 300928 b568f39eda3e46f27239ad44021f968c
Architecture independent packages:
http://security.debian.org/pool/updates/main/n/ntp/ntp-doc_4.2.4p4+dfsg-8lenny3_all.deb
Size/MD5 checksum: 927658 8db03976b7b105057ead2da4bae09219
alpha architecture (DEC Alpha)
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.4p4+dfsg-8lenny3_alpha.deb
Size/MD5 checksum: 66706 9213dcba9a99fa363f0ce48c514a008b
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.4p4+dfsg-8lenny3_alpha.deb
Size/MD5 checksum: 538492 de37b288ef933f34446ab78a8d8ed76b
amd64 architecture (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.4p4+dfsg-8lenny3_amd64.deb
Size/MD5 checksum: 63836 a0b5b030abe6a6c32591366febcec1d1
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.4p4+dfsg-8lenny3_amd64.deb
Size/MD5 checksum: 479472 277efe45a76a24da6ca14ae581d0a3a2
arm architecture (ARM)
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.4p4+dfsg-8lenny3_arm.deb
Size/MD5 checksum: 61220 d4905eea52795330e517acca903059f4
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.4p4+dfsg-8lenny3_arm.deb
Size/MD5 checksum: 448164 cc28e545eb359eba225abfcb02cc4377
armel architecture (ARM EABI)
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.4p4+dfsg-8lenny3_armel.deb
Size/MD5 checksum: 62794 e5a43b8076a77643cc742348f0e63de1
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.4p4+dfsg-8lenny3_armel.deb
Size/MD5 checksum: 458908 3721b8d7b7a67b31db6249521dd9f015
hppa architecture (HP PA RISC)
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.4p4+dfsg-8lenny3_hppa.deb
Size/MD5 checksum: 63872 53a7009f1888c06b162c258a9bb5d6fb
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.4p4+dfsg-8lenny3_hppa.deb
Size/MD5 checksum: 485744 b8e950ba02a13ecacfe332db56c0c887
i386 architecture (Intel ia32)
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.4p4+dfsg-8lenny3_i386.deb
Size/MD5 checksum: 434672 6ccfb060f39cc56f39ef8806865b767d
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.4p4+dfsg-8lenny3_i386.deb
Size/MD5 checksum: 60114 2f0914ae2191ddf3f74529bc896299da
ia64 architecture (Intel ia64)
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.4p4+dfsg-8lenny3_ia64.deb
Size/MD5 checksum: 707812 eb960c732894d56589ba62d76c5ba568
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.4p4+dfsg-8lenny3_ia64.deb
Size/MD5 checksum: 76366 6b5b986e454276661e8b483f095bd16e
mips architecture (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.4p4+dfsg-8lenny3_mips.deb
Size/MD5 checksum: 64116 ab287c70d2c2daf7b1a8808db8dcedc9
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.4p4+dfsg-8lenny3_mips.deb
Size/MD5 checksum: 490394 0009cb5333123767dc3afcde682d9e10
mipsel architecture (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.4p4+dfsg-8lenny3_mipsel.deb
Size/MD5 checksum: 500786 3b842b738e616f301c31cd025c595235
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.4p4+dfsg-8lenny3_mipsel.deb
Size/MD5 checksum: 64776 fd31cdaa7a78d7e3fa072b746dd98e01
powerpc architecture (PowerPC)
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.4p4+dfsg-8lenny3_powerpc.deb
Size/MD5 checksum: 490620 21d03b435c327c2884fe587a56fe10fb
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.4p4+dfsg-8lenny3_powerpc.deb
Size/MD5 checksum: 65470 6966f71002ae63c104e608af1a7daa3a
s390 architecture (IBM S/390)
http://security.debian.org/pool/updates/main/n/ntp/ntpdate_4.2.4p4+dfsg-8lenny3_s390.deb
Size/MD5 checksum: 63678 4b143ad2444681bdb1ee44d395996a29
http://security.debian.org/pool/updates/main/n/ntp/ntp_4.2.4p4+dfsg-8lenny3_s390.deb
Size/MD5 checksum: 474000 6fb44a33381b0d582599eb33896d8f0f
These files will probably be moved into the stable distribution on
its next update.
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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@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
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