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USN175-1 : ntp vulnerability

Vulnerability Assessment Summary ntp vulnerability Detailed Explanation for this Vulnerability Assessment Summary : These remote packages are missing security patches : - ntp - ntp-doc - ntp-refclock - ntp-server - ntp-simple - ntpdate Description : Thomas Biege discovered a flaw in the privilege dropping of the NTP server. When ntpd was configured to drop root rights, and the group to run under was specified as a name (as opposed to a numeric group ID), ntpd changed to the wrong group. Depending on the actual group it changed to, this could either cause non-minimal rights, or a malfunctioning ntp server if the group does not have the rights that ntpd actually needs. On Ubuntu 4.10, ntpd does not use privilege dropping by default, so you are only affected if you manually activated it. In Ubuntu 5.04, privilege dropping is used by default, but this bug is already fixed. Solution : Upgrade to : - ntp-4.2.0a-10ubuntu2.1 (Ubuntu 4.10) - ntp-doc-4.2.0a-10ubuntu2.1 (Ubuntu 4.10) - ntp-refclock-4.2.0a-10ubuntu2.1 (Ubuntu 4.10) - ntp-server-4.2.0a-10ubuntu2.1 (Ubuntu 4.10) - ntp-simple-4.2.0a-10ubuntu2.1 (Ubuntu 4.10) - ntpdate-4.2.0a-10ubuntu2.1 (Ubuntu 4.10) Network Security Threat Level: High Networks Security ID: Vulnerability Assessment Copyright: Ubuntu Security Notice (C) 2005 Canonical, Inc. / NASL script (C) 2005 Michel Arboi

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