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CVE-2009-2957 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://bugzilla.redhat.com/show_bug.cgi?id=519020	CVE
http://secunia.com/advisories/36563	CVE
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10538	CVE
https://rhn.redhat.com/errata/RHSA-2010-0095.html	CVE
http://www.coresecurity.com/content/dnsmasq-vulnerabilities	CVE	Patch
http://www.redhat.com/support/errata/RHSA-2009-1238.html	CVE
http://www.securityfocus.com/bid/36121	CVE	Patch
http://www.thekelleys.org.uk/dnsmasq/CHANGELOG	CVE	Vendor Advisory
http://www.ubuntu.com/usn/USN-827-1	CVE
https://bugzilla.redhat.com/show_bug.cgi?id=519020	[email protected]
http://secunia.com/advisories/36563	[email protected]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10538	[email protected]
https://rhn.redhat.com/errata/RHSA-2010-0095.html	[email protected]
http://www.coresecurity.com/content/dnsmasq-vulnerabilities	[email protected]	Patch
http://www.redhat.com/support/errata/RHSA-2009-1238.html	[email protected]
http://www.securityfocus.com/bid/36121	[email protected]	Patch
http://www.thekelleys.org.uk/dnsmasq/CHANGELOG	[email protected]	Vendor Advisory
http://www.ubuntu.com/usn/USN-827-1	[email protected]

see all 18 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]

Affected Products

Product	Versions
thekelleys dnsmasq	<= 2.49 0.4 0.5 0.6 0.7
CPE cpe:2.3:a:thekelleys:dnsmasq:::::::: 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:::::::* Remediation No remediation found in references.

Product

Versions

thekelleys dnsmasq

<= 2.49

0.4

0.5

0.6

0.7

CPE

cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 23, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Sep 19, 2017	CVE Modified	[email protected]
Sep 2, 2009	Initial Analysis	[email protected]