CVE-2009-2957

critical

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.

References

https://rhn.redhat.com/errata/RHSA-2010-0095.html

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10538

https://bugzilla.redhat.com/show_bug.cgi?id=519020

http://www.ubuntu.com/usn/USN-827-1

http://www.thekelleys.org.uk/dnsmasq/CHANGELOG

http://www.securityfocus.com/bid/36121

http://www.redhat.com/support/errata/RHSA-2009-1238.html

http://www.coresecurity.com/content/dnsmasq-vulnerabilities

http://secunia.com/advisories/36563

Details

Source: Mitre, NVD

Published: 2009-09-02

Updated: 2025-04-09

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.04143