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Vulnerability Details : CVE-2011-4598

The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.
Publish Date : 2011-12-14 Last Update Date : 2012-08-31
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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 ServiceObtain Information
CWE ID 200

- Related OVAL Definitions

Title Definition Id Class Family
DSA-2367-1 asterisk -- several oval:org.mitre.oval:def:15029 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-2011-4598

# Product Type Vendor Product Version Update Edition Language
1 Application Digium Asterisk 1.6.2.0 Version Details Vulnerabilities
2 Application Digium Asterisk 1.6.2.0 RC6 Version Details Vulnerabilities
3 Application Digium Asterisk 1.6.2.0 RC5 Version Details Vulnerabilities
4 Application Digium Asterisk 1.6.2.0 RC4 Version Details Vulnerabilities
5 Application Digium Asterisk 1.6.2.0 RC3 Version Details Vulnerabilities
6 Application Digium Asterisk 1.6.2.0 RC8 Version Details Vulnerabilities
7 Application Digium Asterisk 1.6.2.0 RC2 Version Details Vulnerabilities
8 Application Digium Asterisk 1.6.2.0 RC7 Version Details Vulnerabilities
9 Application Digium Asterisk 1.6.2.1 RC1 Version Details Vulnerabilities
10 Application Digium Asterisk 1.6.2.1 Version Details Vulnerabilities
11 Application Digium Asterisk 1.6.2.2 Version Details Vulnerabilities
12 Application Digium Asterisk 1.6.2.3 RC2 Version Details Vulnerabilities
13 Application Digium Asterisk 1.6.2.4 Version Details Vulnerabilities
14 Application Digium Asterisk 1.6.2.5 Version Details Vulnerabilities
15 Application Digium Asterisk 1.6.2.6 Version Details Vulnerabilities
16 Application Digium Asterisk 1.6.2.6 RC1 Version Details Vulnerabilities
17 Application Digium Asterisk 1.6.2.6 RC2 Version Details Vulnerabilities
18 Application Digium Asterisk 1.6.2.15 RC1 Version Details Vulnerabilities
19 Application Digium Asterisk 1.6.2.16 Version Details Vulnerabilities
20 Application Digium Asterisk 1.6.2.16 RC1 Version Details Vulnerabilities
21 Application Digium Asterisk 1.6.2.16.1 Version Details Vulnerabilities
22 Application Digium Asterisk 1.6.2.16.2 Version Details Vulnerabilities
23 Application Digium Asterisk 1.6.2.17 Version Details Vulnerabilities
24 Application Digium Asterisk 1.6.2.17 RC3 Version Details Vulnerabilities
25 Application Digium Asterisk 1.6.2.17 RC2 Version Details Vulnerabilities
26 Application Digium Asterisk 1.6.2.17 RC1 Version Details Vulnerabilities
27 Application Digium Asterisk 1.6.2.17.1 Version Details Vulnerabilities
28 Application Digium Asterisk 1.6.2.17.2 Version Details Vulnerabilities
29 Application Digium Asterisk 1.6.2.17.3 Version Details Vulnerabilities
30 Application Digium Asterisk 1.6.2.18 RC1 Version Details Vulnerabilities
31 Application Digium Asterisk 1.6.2.18 Version Details Vulnerabilities
32 Application Digium Asterisk 1.6.2.19 RC1 Version Details Vulnerabilities
33 Application Digium Asterisk 1.6.2.19 Version Details Vulnerabilities
34 Application Digium Asterisk 1.6.2.20 Version Details Vulnerabilities
35 Application Digium Asterisk 1.6.2.21 Version Details Vulnerabilities
36 Application Digium Asterisk 1.8.0 Version Details Vulnerabilities
37 Application Digium Asterisk 1.8.0 Beta4 Version Details Vulnerabilities
38 Application Digium Asterisk 1.8.0 RC5 Version Details Vulnerabilities
39 Application Digium Asterisk 1.8.0 Beta3 Version Details Vulnerabilities
40 Application Digium Asterisk 1.8.0 RC4 Version Details Vulnerabilities
41 Application Digium Asterisk 1.8.0 Beta2 Version Details Vulnerabilities
42 Application Digium Asterisk 1.8.0 RC3 Version Details Vulnerabilities
43 Application Digium Asterisk 1.8.0 Beta1 Version Details Vulnerabilities
44 Application Digium Asterisk 1.8.0 RC2 Version Details Vulnerabilities
45 Application Digium Asterisk 1.8.0 Beta5 Version Details Vulnerabilities
46 Application Digium Asterisk 1.8.1 RC1 Version Details Vulnerabilities
47 Application Digium Asterisk 1.8.1 Version Details Vulnerabilities
48 Application Digium Asterisk 1.8.1.1 Version Details Vulnerabilities
49 Application Digium Asterisk 1.8.1.2 Version Details Vulnerabilities
50 Application Digium Asterisk 1.8.2 Version Details Vulnerabilities
51 Application Digium Asterisk 1.8.2.1 Version Details Vulnerabilities
52 Application Digium Asterisk 1.8.2.2 Version Details Vulnerabilities
53 Application Digium Asterisk 1.8.2.3 Version Details Vulnerabilities
54 Application Digium Asterisk 1.8.2.4 Version Details Vulnerabilities
55 Application Digium Asterisk 1.8.3 Version Details Vulnerabilities
56 Application Digium Asterisk 1.8.3 RC3 Version Details Vulnerabilities
57 Application Digium Asterisk 1.8.3 RC2 Version Details Vulnerabilities
58 Application Digium Asterisk 1.8.3 RC1 Version Details Vulnerabilities
59 Application Digium Asterisk 1.8.3.1 Version Details Vulnerabilities
60 Application Digium Asterisk 1.8.3.2 Version Details Vulnerabilities
61 Application Digium Asterisk 1.8.3.3 Version Details Vulnerabilities
62 Application Digium Asterisk 1.8.4 RC3 Version Details Vulnerabilities
63 Application Digium Asterisk 1.8.4 RC2 Version Details Vulnerabilities
64 Application Digium Asterisk 1.8.4 RC1 Version Details Vulnerabilities
65 Application Digium Asterisk 1.8.4 Version Details Vulnerabilities
66 Application Digium Asterisk 1.8.4.1 Version Details Vulnerabilities
67 Application Digium Asterisk 1.8.4.2 Version Details Vulnerabilities
68 Application Digium Asterisk 1.8.4.3 Version Details Vulnerabilities
69 Application Digium Asterisk 1.8.4.4 Version Details Vulnerabilities
70 Application Digium Asterisk 1.8.5 RC1 Version Details Vulnerabilities
71 Application Digium Asterisk 1.8.5 Version Details Vulnerabilities
72 Application Digium Asterisk 1.8.5.0 Version Details Vulnerabilities
73 Application Digium Asterisk 1.8.6.0 RC3 Version Details Vulnerabilities
74 Application Digium Asterisk 1.8.6.0 RC2 Version Details Vulnerabilities
75 Application Digium Asterisk 1.8.6.0 RC1 Version Details Vulnerabilities
76 Application Digium Asterisk 1.8.6.0 Version Details Vulnerabilities
77 Application Digium Asterisk 1.8.7.0 RC1 Version Details Vulnerabilities
78 Application Digium Asterisk 1.8.7.0 Version Details Vulnerabilities
79 Application Digium Asterisk 1.8.7.0 RC2 Version Details Vulnerabilities
80 Application Digium Asterisk 1.8.7.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Digium Asterisk 80

- References For CVE-2011-4598

http://downloads.asterisk.org/pub/security/AST-2011-014.html CONFIRM
http://openwall.com/lists/oss-security/2011/12/09/3
MLIST [oss-security] 20111209 CVE Request -- Asterisk -- AST-2011-013 and AST-2011-014
http://osvdb.org/77598
OSVDB 77598 Asterisk channels/chan_sip.c handle_request_info() Function SIP Packet Parsing Remote DoS Asterisk channels/chan_sip.c handle_request_info() Function SIP Packet Parsing Remote DoS
http://openwall.com/lists/oss-security/2011/12/09/4
MLIST [oss-security] 20111209 Re: CVE Request -- Asterisk -- AST-2011-013 and AST-2011-014
http://www.debian.org/security/2011/dsa-2367
DEBIAN DSA-2367
http://secunia.com/advisories/47273
SECUNIA 47273

- Metasploit Modules Related To CVE-2011-4598

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