CVE-2009-2958

Thekelleys Dnsmasq < 2.49 - Resource Management Error

Title source: rule

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.

Exploits (1)

exploitdb WRITEUP VERIFIED

by Core Security · textdoswindows

https://www.exploit-db.com/exploits/9617

View Code ZIP pw:eip

References (9)

[Various Sources] http://www.coresecurity.com/content/dnsmasq-vulnerabilities

[Vendor Advisory] http://www.redhat.com/support/errata/RHSA-2009-1238.html

[Various Sources] http://www.thekelleys.org.uk/dnsmasq/CHANGELOG

[Vendor Advisory] http://www.ubuntu.com/usn/USN-827-1

[Issue Tracking] https://bugzilla.redhat.com/show_bug.cgi?id=519020

[Vendor Advisory] https://rhn.redhat.com/errata/RHSA-2010-0095.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/36120

[Third Party Advisory, VDB Entry] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9816

[Third Party Advisory] http://secunia.com/advisories/36563

Scores

EPSS 0.0113

EPSS Percentile 78.1%

Classification

CWE

CWE-399

Status draft

Affected Products (50)

thekelleys/dnsmasq < 2.49

thekelleys/dnsmasq

thekelleys/dnsmasq

thekelleys/dnsmasq

thekelleys/dnsmasq

thekelleys/dnsmasq

thekelleys/dnsmasq

thekelleys/dnsmasq

thekelleys/dnsmasq

thekelleys/dnsmasq

thekelleys/dnsmasq

thekelleys/dnsmasq

thekelleys/dnsmasq

thekelleys/dnsmasq

thekelleys/dnsmasq

... and 35 more

Timeline

Published Sep 02, 2009

Tracked Since Feb 18, 2026