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Last updated: 2/10/2016 3:07:00 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2009-2957

Original release date: 09/02/2009
Last revised: 01/22/2013


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.8 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: MISC
Name: http://www.coresecurity.com/content/dnsmasq-vulnerabilities
Type: Patch Information
External Source: REDHAT
Name: RHSA-2009:1238
External Source: BID
Name: 36121
Type: Patch Information
External Source: OVAL
Name: oval:org.mitre.oval:def:10538
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=519020
External Source: CONFIRM
Name: http://www.thekelleys.org.uk/dnsmasq/CHANGELOG
Type: Advisory
External Source: UBUNTU
Name: USN-827-1
External Source: REDHAT
Name: RHSA-2010:0095

References to Check Content

Identifier: oval:org.mitre.oval:def:10538
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Vulnerable software and versions

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

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)