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Fedora 11: Critical TFTP Server Problems with dnsmasq 2.46-3 Release

fedora
Calendar Grey October 13, 2009
Dist Fedora Esm H88
An upgrade for dnsmasq in Fedora 11 addresses severe vulnerabilities in TFTP services, bolstering overall system security.
This update fixes two security issues with dnsmasq's tftp server: https://www.cve.org/CVERecord?id=CVE-2009-2957 https://www.cve.org/CVERecord?id=CVE-2009-2958

Summary

Dnsmasq is lightweight, easy to configure DNS forwarder and DHCP server.

It is designed to provide DNS and, optionally, DHCP, to a small network.

It can serve the names of local machines which are not in the global

DNS. The DHCP server integrates with the DNS server and allows machines

with DHCP-allocated addresses to appear in the DNS with names configured

either in each host or in a central configuration file. Dnsmasq supports

static and dynamic DHCP leases and BOOTP for network booting of diskless

machines.

Update Information:

This update fixes two security issues with dnsmasq's tftp server: https://www.cve.org/CVERecord?id=CVE-2009-2957 https://www.cve.org/CVERecord?id=CVE-2009-2958

Topics%20covered

Topics Covered

security advisory update critical Fedora system fix tftp dnsmasq

Change Log

* Mon Oct 5 2009 Mark McLoughlin - 2.46-3 - Fix multiple TFTP server vulnerabilities (CVE-2009-2957, CVE-2009-2958)

References


[ 1 ] Bug #519020 - CVE-2009-2957, CVE-2009-2958 dnsmasq: multiple vulnerabilities in TFTP server https://bugzilla.redhat.com/show_bug.cgi?id=519020

Update Instructions

This update can be installed with the "yum" update program. Use su -c 'yum update dnsmasq' at the command line. For more information, refer to "Managing Software with yum", available at .

Severity
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Name: dnsmasq
Product: Fedora 11
Version: 2.46
Release: 3.fc11
URL: https://thekelleys.org.uk/dnsmasq/
Summary: A lightweight DHCP/caching DNS server

Topics%20covered

Topics Covered

security advisory update critical Fedora system fix tftp dnsmasq

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