National Cyber Awareness System

Vulnerability Summary for CVE-2009-2957

Overview

Heap-based buffer overflow in the tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, might allow remote attackers to execute arbitrary code via a long filename in a TFTP packet, as demonstrated by a read (aka RRQ) request.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: BID

Name: 36121

Type: Patch Information

Hyperlink:http://www.securityfocus.com/bid/36121

External Source: MISC

Name: http://www.coresecurity.com/content/dnsmasq-vulnerabilities

Type: Patch Information

Hyperlink:http://www.coresecurity.com/content/dnsmasq-vulnerabilities

External Source: REDHAT

Name: RHSA-2010:0095

Hyperlink:https://rhn.redhat.com/errata/RHSA-2010-0095.html

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=519020

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=519020

External Source: UBUNTU

Name: USN-827-1

Hyperlink:http://www.ubuntu.com/usn/USN-827-1

External Source: CONFIRM

Name: http://www.thekelleys.org.uk/dnsmasq/CHANGELOG

Type: Advisory

Hyperlink:http://www.thekelleys.org.uk/dnsmasq/CHANGELOG

External Source: REDHAT

Name: RHSA-2009:1238

Hyperlink:http://www.redhat.com/support/errata/RHSA-2009-1238.html

External Source: SECUNIA

Name: 36563

Hyperlink:http://secunia.com/advisories/36563

External Source: OVAL

Name: oval:org.mitre.oval:def:10538

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10538

References to Check Content

Identifier:oval:org.mitre.oval:def:10538

Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5

Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:10538