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Vulnerability Details : CVE-2009-4016

Integer underflow in the clean_string function in irc_string.c in (1) IRCD-hybrid 7.2.2 and 7.2.3, (2) ircd-ratbox before 2.2.9, and (3) oftc-hybrid before 1.6.8, when flatten_links is disabled, allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a LINKS command.
Publish Date : 2010-02-04 Last Update Date : 2010-02-05
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
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 ServiceExecute Code
CWE ID 189

- Related OVAL Definitions

Title Definition Id Class Family
DSA-1980 ircd-hybrid/ircd-ratbox -- integer underflow/denial of service oval:org.mitre.oval:def:7105 unix
DSA-1980-1 ircd-hybrid/ircd-ratbox -- integer underflow/denial of service oval:org.mitre.oval:def:13188 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-2009-4016

# Product Type Vendor Product Version Update Edition Language
1 Application Ircd-hybrid Ircd-hybrid 7.2.2 Version Details Vulnerabilities
2 Application Ircd-hybrid Ircd-hybrid 7.2.3 Version Details Vulnerabilities
3 Application Ircd-ratbox Ircd-ratbox 1.0 Version Details Vulnerabilities
4 Application Ircd-ratbox Ircd-ratbox 1.1 Version Details Vulnerabilities
5 Application Ircd-ratbox Ircd-ratbox 1.1.1 Version Details Vulnerabilities
6 Application Ircd-ratbox Ircd-ratbox 1.1.2 Version Details Vulnerabilities
7 Application Ircd-ratbox Ircd-ratbox 1.2.1 Version Details Vulnerabilities
8 Application Ircd-ratbox Ircd-ratbox 1.2.2 Version Details Vulnerabilities
9 Application Ircd-ratbox Ircd-ratbox 1.2.3 Version Details Vulnerabilities
10 Application Ircd-ratbox Ircd-ratbox 1.3 Version Details Vulnerabilities
11 Application Ircd-ratbox Ircd-ratbox 1.3.1 Version Details Vulnerabilities
12 Application Ircd-ratbox Ircd-ratbox 1.3.2 Version Details Vulnerabilities
13 Application Ircd-ratbox Ircd-ratbox 1.4 Version Details Vulnerabilities
14 Application Ircd-ratbox Ircd-ratbox 1.4 RC1 Version Details Vulnerabilities
15 Application Ircd-ratbox Ircd-ratbox 1.4 RC2 Version Details Vulnerabilities
16 Application Ircd-ratbox Ircd-ratbox 1.4.1 Version Details Vulnerabilities
17 Application Ircd-ratbox Ircd-ratbox 1.4.2 Version Details Vulnerabilities
18 Application Ircd-ratbox Ircd-ratbox 1.5 Version Details Vulnerabilities
19 Application Ircd-ratbox Ircd-ratbox 1.5.1 Version Details Vulnerabilities
20 Application Ircd-ratbox Ircd-ratbox 1.5.2 Version Details Vulnerabilities
21 Application Ircd-ratbox Ircd-ratbox 1.5.3 Version Details Vulnerabilities
22 Application Ircd-ratbox Ircd-ratbox 2.0.0 Version Details Vulnerabilities
23 Application Ircd-ratbox Ircd-ratbox 2.0.1 Version Details Vulnerabilities
24 Application Ircd-ratbox Ircd-ratbox 2.0.2 Version Details Vulnerabilities
25 Application Ircd-ratbox Ircd-ratbox 2.0.3 Version Details Vulnerabilities
26 Application Ircd-ratbox Ircd-ratbox 2.0.4 Version Details Vulnerabilities
27 Application Ircd-ratbox Ircd-ratbox 2.0.5 Version Details Vulnerabilities
28 Application Ircd-ratbox Ircd-ratbox 2.0.6 Version Details Vulnerabilities
29 Application Ircd-ratbox Ircd-ratbox 2.0.7 Version Details Vulnerabilities
30 Application Ircd-ratbox Ircd-ratbox 2.0.8 Version Details Vulnerabilities
31 Application Ircd-ratbox Ircd-ratbox 2.0.9 Version Details Vulnerabilities
32 Application Ircd-ratbox Ircd-ratbox 2.0.10 Version Details Vulnerabilities
33 Application Ircd-ratbox Ircd-ratbox 2.0.11 Version Details Vulnerabilities
34 Application Ircd-ratbox Ircd-ratbox 2.1.0 Beta2 Version Details Vulnerabilities
35 Application Ircd-ratbox Ircd-ratbox 2.1.0 Beta1 Version Details Vulnerabilities
36 Application Ircd-ratbox Ircd-ratbox 2.1.0 Version Details Vulnerabilities
37 Application Ircd-ratbox Ircd-ratbox 2.1.1 Version Details Vulnerabilities
38 Application Ircd-ratbox Ircd-ratbox 2.1.2 Version Details Vulnerabilities
39 Application Ircd-ratbox Ircd-ratbox 2.1.3 Version Details Vulnerabilities
40 Application Ircd-ratbox Ircd-ratbox 2.1.4 Version Details Vulnerabilities
41 Application Ircd-ratbox Ircd-ratbox 2.1.5 Version Details Vulnerabilities
42 Application Ircd-ratbox Ircd-ratbox 2.1.6 Version Details Vulnerabilities
43 Application Ircd-ratbox Ircd-ratbox 2.1.7 Version Details Vulnerabilities
44 Application Ircd-ratbox Ircd-ratbox 2.1.8 Version Details Vulnerabilities
45 Application Ircd-ratbox Ircd-ratbox 2.2.0 Version Details Vulnerabilities
46 Application Ircd-ratbox Ircd-ratbox 2.2.0 RC1 Version Details Vulnerabilities
47 Application Ircd-ratbox Ircd-ratbox 2.2.0 RC2 Version Details Vulnerabilities
48 Application Ircd-ratbox Ircd-ratbox 2.2.0 RC3 Version Details Vulnerabilities
49 Application Ircd-ratbox Ircd-ratbox 2.2.1 Version Details Vulnerabilities
50 Application Ircd-ratbox Ircd-ratbox 2.2.2 Version Details Vulnerabilities
51 Application Ircd-ratbox Ircd-ratbox 2.2.3 Version Details Vulnerabilities
52 Application Ircd-ratbox Ircd-ratbox 2.2.4 Version Details Vulnerabilities
53 Application Ircd-ratbox Ircd-ratbox 2.2.5 Version Details Vulnerabilities
54 Application Ircd-ratbox Ircd-ratbox 2.2.6 Version Details Vulnerabilities
55 Application Ircd-ratbox Ircd-ratbox 2.2.7 Version Details Vulnerabilities
56 Application Ircd-ratbox Ircd-ratbox 2.2.8 Version Details Vulnerabilities
57 Application Oftc Oftc-hybrid 1.4.0 Version Details Vulnerabilities
58 Application Oftc Oftc-hybrid 1.4.1 Version Details Vulnerabilities
59 Application Oftc Oftc-hybrid 1.5.0 Version Details Vulnerabilities
60 Application Oftc Oftc-hybrid 1.5.1 Version Details Vulnerabilities
61 Application Oftc Oftc-hybrid 1.5.2 Version Details Vulnerabilities
62 Application Oftc Oftc-hybrid 1.5.3 Version Details Vulnerabilities
63 Application Oftc Oftc-hybrid 1.5.4 Version Details Vulnerabilities
64 Application Oftc Oftc-hybrid 1.5.5 Version Details Vulnerabilities
65 Application Oftc Oftc-hybrid 1.5.6 Version Details Vulnerabilities
66 Application Oftc Oftc-hybrid 1.5.7 Version Details Vulnerabilities
67 Application Oftc Oftc-hybrid 1.6.0 Version Details Vulnerabilities
68 Application Oftc Oftc-hybrid 1.6.1 Version Details Vulnerabilities
69 Application Oftc Oftc-hybrid 1.6.2 Version Details Vulnerabilities
70 Application Oftc Oftc-hybrid 1.6.3 Version Details Vulnerabilities
71 Application Oftc Oftc-hybrid 1.6.4 Version Details Vulnerabilities
72 Application Oftc Oftc-hybrid 1.6.5 Version Details Vulnerabilities
73 Application Oftc Oftc-hybrid 1.6.6 Version Details Vulnerabilities
74 Application Oftc Oftc-hybrid 1.6.7 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Ircd-hybrid Ircd-hybrid 2
Ircd-ratbox Ircd-ratbox 54
Oftc Oftc-hybrid 18

- References For CVE-2009-4016

http://lists.ratbox.org/pipermail/ircd-ratbox/2010-January/000891.html
MLIST [ircd-ratbox] 20100125 ircd-ratbox-2.2.9 released
http://secunia.com/advisories/38210
SECUNIA 38210
http://secunia.com/advisories/38381
SECUNIA 38381
http://svn.ircd-hybrid.org:8000/viewcvs.cgi?rev=1044&view=rev CONFIRM
http://secunia.com/advisories/38383
SECUNIA 38383
http://secunia.com/advisories/38382
SECUNIA 38382
http://www.securityfocus.com/bid/37978
BID 37978 IRCD-Hybrid and ircd-ratbox 'LINKS' Command Remote Integer Underflow Vulnerability Release Date:2010-06-08
http://trac.oftc.net/projects/oftc-hybrid/browser/tags/oftc-hybrid-1.6.8/RELNOTES CONFIRM
http://www.debian.org/security/2010/dsa-1980
DEBIAN DSA-1980
http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1.diff.gz CONFIRM

- Metasploit Modules Related To CVE-2009-4016

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


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