CVE-2009-2958

Severity

43%

Complexity

86%

Confidentiality

48%

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.

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.

CVSS 2.0 Base Score 4.3. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P).

Overview

First reported 15 years ago

2009-09-02 15:30:00

Last updated 7 years ago

2017-09-19 01:29:00

Affected Software

thekelleys dnsmasq 0.4

0.4

thekelleys dnsmasq 0.5

0.5

thekelleys dnsmasq 0.6

0.6

thekelleys dnsmasq 0.7

0.7

thekelleys dnsmasq 0.95

0.95

thekelleys dnsmasq 0.96

0.96

thekelleys dnsmasq 0.98

0.98

thekelleys dnsmasq 0.992

0.992

thekelleys dnsmasq 0.996

0.996

thekelleys dnsmasq 1.0

1.0

thekelleys dnsmasq 1.2

1.2

thekelleys dnsmasq 1.3

1.3

thekelleys dnsmasq 1.4

1.4

thekelleys dnsmasq 1.5

1.5

thekelleys dnsmasq 1.6

1.6

thekelleys dnsmasq 1.7

1.7

thekelleys dnsmasq 1.8

1.8

thekelleys dnsmasq 1.9

1.9

thekelleys dnsmasq 1.10

1.10

thekelleys dnsmasq 1.11

1.11

thekelleys dnsmasq 1.12

1.12

thekelleys dnsmasq 1.13

1.13

thekelleys dnsmasq 1.14

1.14

thekelleys dnsmasq 1.15

1.15

thekelleys dnsmasq 1.16

1.16

thekelleys dnsmasq 1.17

1.17

thekelleys dnsmasq 1.18

1.18

thekelleys dnsmasq 2.0

2.0

thekelleys dnsmasq 2.1

2.1

thekelleys dnsmasq 2.22

2.2

thekelleys dnsmasq 2.3

2.3

thekelleys dnsmasq 2.4

2.4

thekelleys dnsmasq 2.5

2.5

thekelleys dnsmasq 2.6

2.6

thekelleys dnsmasq 2.7

2.7

thekelleys dnsmasq 2.8

2.8

thekelleys dnsmasq 2.9

2.9

thekelleys dnsmasq 2.10

2.10

thekelleys dnsmasq 2.11

2.11

thekelleys dnsmasq 2.12

2.12

thekelleys dnsmasq 2.13

2.13

thekelleys dnsmasq 2.14

2.14

thekelleys dnsmasq 2.15

2.15

thekelleys dnsmasq 2.16

2.16

thekelleys dnsmasq 2.17

2.17

thekelleys dnsmasq 2.18

2.18

thekelleys dnsmasq 2.19

2.19

thekelleys dnsmasq 2.20

2.20

thekelleys dnsmasq 2.21

2.21

thekelleys dnsmasq 2.22

2.22

thekelleys dnsmasq 2.23

2.23

thekelleys dnsmasq 2.24

2.24

thekelleys dnsmasq 2.25

2.25

thekelleys dnsmasq 2.26

2.26

thekelleys dnsmasq 2.27

2.27

thekelleys dnsmasq 2.28

2.28

thekelleys dnsmasq 2.29

2.29

thekelleys dnsmasq 2.30

2.30

thekelleys dnsmasq 2.31

2.31

thekelleys dnsmasq 2.32

2.33

thekelleys dnsmasq 2.34

2.34

thekelleys dnsmasq 2.35

2.35

thekelleys dnsmasq 2.36

2.36

thekelleys dnsmasq 2.37

2.37

thekelleys dnsmasq 2.38

2.38

thekelleys dnsmasq 2.39

2.39

thekelleys dnsmasq 2.40

2.40

thekelleys dnsmasq 2.41

2.41

thekelleys dnsmasq 2.42

2.42

thekelleys dnsmasq 2.43

2.43

thekelleys dnsmasq 2.44

2.44

thekelleys dnsmasq 2.45

2.45

thekelleys dnsmasq 2.46

2.46

thekelleys dnsmasq 2.47

2.47

thekelleys dnsmasq 2.48

2.48

thekelleys dnsmasq

References

36563

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

RHSA-2009:1238

36120

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

USN-827-1

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

oval:org.mitre.oval:def:9816

RHSA-2010:0095

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