CVE-2009-2958

N/A Unknown
Published: September 02, 2009 Modified: April 23, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://secunia.com/advisories/36563
Source: cve@mitre.org
http://www.coresecurity.com/content/dnsmasq-vulnerabilities
Source: cve@mitre.org
http://www.redhat.com/support/errata/RHSA-2009-1238.html
Source: cve@mitre.org
http://www.securityfocus.com/bid/36120
Source: cve@mitre.org
http://www.thekelleys.org.uk/dnsmasq/CHANGELOG
Source: cve@mitre.org
http://www.ubuntu.com/usn/USN-827-1
Source: cve@mitre.org
https://bugzilla.redhat.com/show_bug.cgi?id=519020
Source: cve@mitre.org
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9816
Source: cve@mitre.org
https://rhn.redhat.com/errata/RHSA-2010-0095.html
Source: cve@mitre.org
http://secunia.com/advisories/36563
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.coresecurity.com/content/dnsmasq-vulnerabilities
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.redhat.com/support/errata/RHSA-2009-1238.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/36120
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.thekelleys.org.uk/dnsmasq/CHANGELOG
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-827-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=519020
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9816
Source: af854a3a-2127-422b-91ae-364da2661108
https://rhn.redhat.com/errata/RHSA-2010-0095.html
Source: af854a3a-2127-422b-91ae-364da2661108

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
1.1%
78th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-399

Affected Vendors

thekelleys

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