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Sicherheit: Denial of Service in ntp
Aktuelle Meldungen Distributionen
Name: Denial of Service in ntp
ID: SSA:2009-343-01
Distribution: Slackware
Plattformen: Slackware -current, Slackware 8.1, Slackware 9.0, Slackware 9.1, Slackware 10.0, Slackware 10.1, Slackware 10.2, Slackware 11.0, Slackware 12.0, Slackware 12.1, Slackware 12.2, Slackware 13.0, Slackware x86_64 13.0, Slackware x86_64 -current
Datum: Do, 10. Dezember 2009, 09:54
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3563
Applikationen: NTP

Originalnachricht


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

[slackware-security] ntp (SSA:2009-343-01)

New ntp packages are available for Slackware 8.1, 9.0, 9.1, 10.0, 10.1, 10.2,
11.0, 12.0, 12.1, 12.2, 13.0, and -current to fix a security issue. If a
spoofed mode 7 packet is sent to a vulnerable NTP daemon it may cause CPU
and/or disk space exhaustion, resulting in a denial of service.

More details about this issue may be found in the Common
Vulnerabilities and Exposures (CVE) database:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3563


Here are the details from the Slackware 13.0 ChangeLog:
+--------------------------+
patches/packages/ntp-4.2.4p8-i486-1_slack13.0.txz: Upgraded.
Prevent a denial-of-service attack involving spoofed mode 7 packets.
For more information, see:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3563
(* Security fix *)
+--------------------------+


Where to find the new packages:
+-----------------------------+

HINT: Getting slow download speeds from ftp.slackware.com?
Give slackware.osuosl.org a try. This is another primary FTP site
for Slackware that can be considerably faster than downloading
directly from ftp.slackware.com.

Thanks to the friendly folks at the OSU Open Source Lab
(http://osuosl.org) for donating additional FTP and rsync hosting
to the Slackware project! :-)

Also see the "Get Slack" section on http://slackware.com for
additional mirror sites near you.

Updated package for Slackware 8.1:
ntp-4.2.2p3-i386-2_slack8.1.tgz

Updated package for Slackware 9.0:
ntp-4.2.2p3-i386-2_slack9.0.tgz

Updated package for Slackware 9.1:
ntp-4.2.2p3-i486-2_slack9.1.tgz

Updated package for Slackware 10.0:
ntp-4.2.2p3-i486-2_slack10.0.tgz

Updated package for Slackware 10.1:
ntp-4.2.2p3-i486-2_slack10.1.tgz

Updated package for Slackware 10.2:
ntp-4.2.2p3-i486-2_slack10.2.tgz

Updated package for Slackware 11.0:
ntp-4.2.2p3-i486-3_slack11.0.tgz

Updated package for Slackware 12.0:
ntp-4.2.4p8-i486-1_slack12.0.tgz

Updated package for Slackware 12.1:
ntp-4.2.4p8-i486-1_slack12.1.tgz

Updated package for Slackware 12.2:
ntp-4.2.4p8-i486-1_slack12.2.tgz

Updated package for Slackware 13.0:
ntp-4.2.4p8-i486-1_slack13.0.txz

Updated package for Slackware x86_64 13.0:
ntp-4.2.4p8-x86_64-1_slack13.0.txz

Updated package for Slackware -current:
ntp-4.2.4p8-i486-1.txz

Updated package for Slackware x86_64 -current:
ntp-4.2.4p8-x86_64-1.txz


MD5 signatures:
+-------------+

Slackware 8.1 package:
cf159af385eff1f3e7ee97dd31181a50 ntp-4.2.2p3-i386-2_slack8.1.tgz

Slackware 9.0 package:
281891ce933cc51b4da7c4856c2e9a7a ntp-4.2.2p3-i386-2_slack9.0.tgz

Slackware 9.1 package:
8ba51d005758c1d42db139730e9552ab ntp-4.2.2p3-i486-2_slack9.1.tgz

Slackware 10.0 package:
d4494f109da2f947515bf8ca40db2e6b ntp-4.2.2p3-i486-2_slack10.0.tgz

Slackware 10.1 package:
3ed65c1bda71156978424de0f13436f9 ntp-4.2.2p3-i486-2_slack10.1.tgz

Slackware 10.2 package:
345eced7dc1135943f119c8ae066fbde ntp-4.2.2p3-i486-2_slack10.2.tgz

Slackware 11.0 package:
e5fbcad45bb274ebee2c6c11b0c18a73 ntp-4.2.2p3-i486-3_slack11.0.tgz

Slackware 12.0 package:
d367da8f356c71ee915957280fe731b2 ntp-4.2.4p8-i486-1_slack12.0.tgz

Slackware 12.1 package:
3632138b29c2f73f027be03b220da30c ntp-4.2.4p8-i486-1_slack12.1.tgz

Slackware 12.2 package:
450f8b3cdf63cc61ea6d2baa9c9ebb00 ntp-4.2.4p8-i486-1_slack12.2.tgz

Slackware 13.0 package:
af0c7662fb258ffd6f34f4ca68ee6553 ntp-4.2.4p8-i486-1_slack13.0.txz

Slackware x86_64 13.0 package:
77dfe4dfe7f35e02e9cd455b0d82e79f ntp-4.2.4p8-x86_64-1_slack13.0.txz

Slackware -current package:
22f81c7c0856aa55846323f9376dbdbf ntp-4.2.4p8-i486-1.txz

Slackware x86_64 -current package:
1d6562a98631f5f8601f696a7b4d7ed7 ntp-4.2.4p8-x86_64-1.txz


Installation instructions:
+------------------------+

Upgrade the package as root:
# upgradepkg ntp-4.2.4p8-i486-1_slack13.0.txz

Then, restart ntpd.


+-----+

Slackware Linux Security Team
http://slackware.com/gpg-key
security@slackware.com

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