Vulnerability Details : CVE-2007-3763
The IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to cause a denial of service (crash) via a crafted (1) LAGRQ or (2) LAGRP frame that contains information elements of IAX frames, which results in a NULL pointer dereference when Asterisk does not properly set an associated variable.
Vulnerability category: Memory CorruptionDenial of service
Threat overview for CVE-2007-3763
Top countries where our scanners detected CVE-2007-3763
Top open port discovered on systems with this issue
6036
IPs affected by CVE-2007-3763 177
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2007-3763
Probability of exploitation activity in the next 30 days: 95.56%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 99 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2007-3763
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
References for CVE-2007-3763
- http://www.debian.org/security/2007/dsa-1358
- http://www.vupen.com/english/advisories/2007/2563
-
http://bugs.gentoo.org/show_bug.cgi?id=185713
185713 – (CVE-2007-3762) net-misc/asterisk Multiple issues (CVE-2007-{376[234]|4103})
- http://www.securitytracker.com/id?1018407
- http://www.securityfocus.com/bid/24950
-
http://ftp.digium.com/pub/asa/ASA-2007-015.pdf
Patch;Vendor Advisory
- http://www.novell.com/linux/security/advisories/2007_15_sr.html
-
http://security.gentoo.org/glsa/glsa-200802-11.xml
Asterisk: Multiple vulnerabilities (GLSA 200802-11) — Gentoo security
Products affected by CVE-2007-3763
- cpe:2.3:a:asterisk:asterisk:1.2.15:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.2.16:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.2.14:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.2.0_beta2:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.2.10:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.2.17:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.2.13:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.2.8:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.2.9:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.2.11:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.2.12:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.2.7:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.2.0_beta1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.4_beta:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:b.1.3.3:*:business:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:b.2.2.0:*:business:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:a:*:business:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:b.1.3.2:*:business:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk:1.4.4_2007-04-27:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisknow:beta_5:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisknow:beta_6:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:*:*:*:*:*:*:*:*
- cpe:2.3:h:asterisk:s800i_appliance:1.0:*:*:*:*:*:*:*
- cpe:2.3:h:asterisk:s800i_appliance:1.0.1:*:*:*:*:*:*:*