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Vulnerability Details : CVE-2009-2958

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.
Publish Date : 2009-09-02 Last Update Date : 2017-09-18
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat important
6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P 2009-08-23 2009-08-31
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2009-2958 oval:org.opensuse.security:def:20092958 unix
DSA-1876 dnsmasq -- buffer overflow oval:org.mitre.oval:def:7920 unix
DSA-1876-1 dnsmasq -- buffer overflow oval:org.mitre.oval:def:13718 unix
ELSA-2009:1238: dnsmasq security update (Important) oval:org.mitre.oval:def:22599 unix
RHSA-2009:1238 -- dnsmasq security update (Important) oval:org.mitre.oval:def:29359 unix
RHSA-2009:1238: dnsmasq security update (Important) oval:com.redhat.rhsa:def:20091238 unix
The tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, allows remote attackers to cause... oval:org.mitre.oval:def:9816 unix
USN-827-1 -- dnsmasq vulnerabilities oval:org.mitre.oval:def:13921 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2009-2958

# Product Type Vendor Product Version Update Edition Language
1 Application Thekelleys Dnsmasq 0.4 Version Details Vulnerabilities
2 Application Thekelleys Dnsmasq 0.5 Version Details Vulnerabilities
3 Application Thekelleys Dnsmasq 0.6 Version Details Vulnerabilities
4 Application Thekelleys Dnsmasq 0.7 Version Details Vulnerabilities
5 Application Thekelleys Dnsmasq 0.95 Version Details Vulnerabilities
6 Application Thekelleys Dnsmasq 0.96 Version Details Vulnerabilities
7 Application Thekelleys Dnsmasq 0.98 Version Details Vulnerabilities
8 Application Thekelleys Dnsmasq 0.992 Version Details Vulnerabilities
9 Application Thekelleys Dnsmasq 0.996 Version Details Vulnerabilities
10 Application Thekelleys Dnsmasq 1.0 Version Details Vulnerabilities
11 Application Thekelleys Dnsmasq 1.2 Version Details Vulnerabilities
12 Application Thekelleys Dnsmasq 1.3 Version Details Vulnerabilities
13 Application Thekelleys Dnsmasq 1.4 Version Details Vulnerabilities
14 Application Thekelleys Dnsmasq 1.5 Version Details Vulnerabilities
15 Application Thekelleys Dnsmasq 1.6 Version Details Vulnerabilities
16 Application Thekelleys Dnsmasq 1.7 Version Details Vulnerabilities
17 Application Thekelleys Dnsmasq 1.8 Version Details Vulnerabilities
18 Application Thekelleys Dnsmasq 1.9 Version Details Vulnerabilities
19 Application Thekelleys Dnsmasq 1.10 Version Details Vulnerabilities
20 Application Thekelleys Dnsmasq 1.11 Version Details Vulnerabilities
21 Application Thekelleys Dnsmasq 1.12 Version Details Vulnerabilities
22 Application Thekelleys Dnsmasq 1.13 Version Details Vulnerabilities
23 Application Thekelleys Dnsmasq 1.14 Version Details Vulnerabilities
24 Application Thekelleys Dnsmasq 1.15 Version Details Vulnerabilities
25 Application Thekelleys Dnsmasq 1.16 Version Details Vulnerabilities
26 Application Thekelleys Dnsmasq 1.17 Version Details Vulnerabilities
27 Application Thekelleys Dnsmasq 1.18 Version Details Vulnerabilities
28 Application Thekelleys Dnsmasq 2.0 Version Details Vulnerabilities
29 Application Thekelleys Dnsmasq 2.1 Version Details Vulnerabilities
30 Application Thekelleys Dnsmasq 2.2 Version Details Vulnerabilities
31 Application Thekelleys Dnsmasq 2.3 Version Details Vulnerabilities
32 Application Thekelleys Dnsmasq 2.4 Version Details Vulnerabilities
33 Application Thekelleys Dnsmasq 2.5 Version Details Vulnerabilities
34 Application Thekelleys Dnsmasq 2.6 Version Details Vulnerabilities
35 Application Thekelleys Dnsmasq 2.7 Version Details Vulnerabilities
36 Application Thekelleys Dnsmasq 2.8 Version Details Vulnerabilities
37 Application Thekelleys Dnsmasq 2.9 Version Details Vulnerabilities
38 Application Thekelleys Dnsmasq 2.10 Version Details Vulnerabilities
39 Application Thekelleys Dnsmasq 2.11 Version Details Vulnerabilities
40 Application Thekelleys Dnsmasq 2.12 Version Details Vulnerabilities
41 Application Thekelleys Dnsmasq 2.13 Version Details Vulnerabilities
42 Application Thekelleys Dnsmasq 2.14 Version Details Vulnerabilities
43 Application Thekelleys Dnsmasq 2.15 Version Details Vulnerabilities
44 Application Thekelleys Dnsmasq 2.16 Version Details Vulnerabilities
45 Application Thekelleys Dnsmasq 2.17 Version Details Vulnerabilities
46 Application Thekelleys Dnsmasq 2.18 Version Details Vulnerabilities
47 Application Thekelleys Dnsmasq 2.19 Version Details Vulnerabilities
48 Application Thekelleys Dnsmasq 2.20 Version Details Vulnerabilities
49 Application Thekelleys Dnsmasq 2.21 Version Details Vulnerabilities
50 Application Thekelleys Dnsmasq 2.22 Version Details Vulnerabilities
51 Application Thekelleys Dnsmasq 2.23 Version Details Vulnerabilities
52 Application Thekelleys Dnsmasq 2.24 Version Details Vulnerabilities
53 Application Thekelleys Dnsmasq 2.25 Version Details Vulnerabilities
54 Application Thekelleys Dnsmasq 2.26 Version Details Vulnerabilities
55 Application Thekelleys Dnsmasq 2.27 Version Details Vulnerabilities
56 Application Thekelleys Dnsmasq 2.28 Version Details Vulnerabilities
57 Application Thekelleys Dnsmasq 2.29 Version Details Vulnerabilities
58 Application Thekelleys Dnsmasq 2.30 Version Details Vulnerabilities
59 Application Thekelleys Dnsmasq 2.31 Version Details Vulnerabilities
60 Application Thekelleys Dnsmasq 2.33 Version Details Vulnerabilities
61 Application Thekelleys Dnsmasq 2.34 Version Details Vulnerabilities
62 Application Thekelleys Dnsmasq 2.35 Version Details Vulnerabilities
63 Application Thekelleys Dnsmasq 2.36 Version Details Vulnerabilities
64 Application Thekelleys Dnsmasq 2.37 Version Details Vulnerabilities
65 Application Thekelleys Dnsmasq 2.38 Version Details Vulnerabilities
66 Application Thekelleys Dnsmasq 2.39 Version Details Vulnerabilities
67 Application Thekelleys Dnsmasq 2.40 Version Details Vulnerabilities
68 Application Thekelleys Dnsmasq 2.41 Version Details Vulnerabilities
69 Application Thekelleys Dnsmasq 2.42 Version Details Vulnerabilities
70 Application Thekelleys Dnsmasq 2.43 Version Details Vulnerabilities
71 Application Thekelleys Dnsmasq 2.44 Version Details Vulnerabilities
72 Application Thekelleys Dnsmasq 2.45 Version Details Vulnerabilities
73 Application Thekelleys Dnsmasq 2.46 Version Details Vulnerabilities
74 Application Thekelleys Dnsmasq 2.47 Version Details Vulnerabilities
75 Application Thekelleys Dnsmasq 2.48 Version Details Vulnerabilities
76 Application Thekelleys Dnsmasq 2.49 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Thekelleys Dnsmasq 76

- References For CVE-2009-2958

https://rhn.redhat.com/errata/RHSA-2010-0095.html
REDHAT RHSA-2010:0095
https://bugzilla.redhat.com/show_bug.cgi?id=519020 CONFIRM
http://www.ubuntu.com/usn/USN-827-1
UBUNTU USN-827-1
http://www.thekelleys.org.uk/dnsmasq/CHANGELOG CONFIRM
http://www.coresecurity.com/content/dnsmasq-vulnerabilities
http://www.redhat.com/support/errata/RHSA-2009-1238.html
REDHAT RHSA-2009:1238
http://www.securityfocus.com/bid/36120
BID 36120 Dnsmasq TFTP Service Remote NULL-Pointer Dereference Vulnerability Release Date:2009-10-16

- Metasploit Modules Related To CVE-2009-2958

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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