National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-2958 Detail

Description

The tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a TFTP read (aka RRQ) request with a malformed blksize option.

Source:  MITRE
Description Last Modified:  09/02/2009

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.coresecurity.com/content/dnsmasq-vulnerabilities
http://www.redhat.com/support/errata/RHSA-2009-1238.html
http://www.securityfocus.com/bid/36120
http://www.thekelleys.org.uk/dnsmasq/CHANGELOG
http://www.ubuntu.com/usn/USN-827-1
https://bugzilla.redhat.com/show_bug.cgi?id=519020
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9816
https://rhn.redhat.com/errata/RHSA-2010-0095.html

References to Check Content

Identifier:
oval:org.mitre.oval:def:9816
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:9816

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:thekelleys:dnsmasq:0.4:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:0.5:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:0.6:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:0.7:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:0.95:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:0.96:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:0.98:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:0.992:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:0.996:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.0:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.2:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.3:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.4:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.5:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.6:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.7:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.8:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.9:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.10:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.11:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.12:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.13:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.14:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.15:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.16:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.17:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:1.18:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.0:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.1:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.2:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.3:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.4:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.5:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.6:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.7:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.8:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.9:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.10:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.11:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.12:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.13:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.14:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.15:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.16:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.17:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.18:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.19:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.20:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.21:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.22:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.23:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.24:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.25:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.26:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.27:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.28:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.29:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.30:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.31:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.33:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.34:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.35:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.36:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.37:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.38:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.39:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.40:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.41:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.42:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.43:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.44:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.45:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.46:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.47:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:2.48:*:*:*:*:*:*:*
cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*    versions up to (including) 2.49

Denotes Vulnerable Software
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Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-2958
NVD Published Date:
09/02/2009
NVD Last Modified:
09/18/2017