Executive Summary

Informations
Name CVE-2009-3727 First vendor Publication 2009-11-10
Vendor Cve Last vendor Modification 2009-12-23

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
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Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:N/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.3, 1.6.0.x before 1.6.0.17, and 1.6.1.x before 1.6.1.9; Business Edition A.x.x, B.x.x before B.2.5.12, C.2.x.x before C.2.4.5, and C.3.x.x before C.3.2.2; AsteriskNOW 1.5; and s800i 1.3.x before 1.3.0.5 generate different error messages depending on whether a SIP username is valid, which allows remote attackers to enumerate valid usernames via multiple crafted REGISTER messages with inconsistent usernames in the URI in the To header and the Digest in the Authorization header.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3727

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-200 Information Exposure

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 210
Application 1
Hardware 4

OpenVAS Exploits

Date Description
2011-03-09 Name : Gentoo Security Advisory GLSA 201006-20 (asterisk)
File : nvt/glsa_201006_20.nasl
2009-12-30 Name : Debian Security Advisory DSA 1952-1 (asterisk)
File : nvt/deb_1952_1.nasl
2009-11-10 Name : Asterisk SIP Response Username Enumeration Remote Information Disclosure Vuln...
File : nvt/asterisk_36924.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
59697 Asterisk SIP REGISTER Response Username Enumeration Weakness

Asterisk contains a flaw that may allow an attacker to determine valid usernames. The issue is triggered when different responses are being sent using a valid or an invalid username in 'REGISTER' messages. This can be exploited to determine valid usernames by sending a specially crafted 'REGISTER' message. .

Nessus® Vulnerability Scanner

Date Description
2010-06-04 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201006-20.nasl - Type : ACT_GATHER_INFO
2010-02-24 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-1952.nasl - Type : ACT_GATHER_INFO
2009-11-25 Name : The remote Fedora host is missing a security update.
File : fedora_2009-11070.nasl - Type : ACT_GATHER_INFO
2009-11-25 Name : The remote Fedora host is missing a security update.
File : fedora_2009-11126.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/36924
CONFIRM http://downloads.asterisk.org/pub/security/AST-2009-008.html
https://bugzilla.redhat.com/show_bug.cgi?id=523277
https://bugzilla.redhat.com/show_bug.cgi?id=533137
DEBIAN http://www.debian.org/security/2009/dsa-1952
FEDORA https://www.redhat.com/archives/fedora-package-announce/2009-November/msg0078...
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg0083...
OSVDB http://osvdb.org/59697
SECTRACK http://www.securitytracker.com/id?1023133
SECUNIA http://secunia.com/advisories/37265
http://secunia.com/advisories/37479
http://secunia.com/advisories/37677

Alert History

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Date Informations
2021-05-04 12:10:21
  • Multiple Updates
2021-04-22 01:10:48
  • Multiple Updates
2020-05-23 00:24:29
  • Multiple Updates
2016-06-28 17:52:23
  • Multiple Updates
2016-04-26 19:12:48
  • Multiple Updates
2014-02-17 10:52:05
  • Multiple Updates
2013-05-10 23:59:49
  • Multiple Updates