Digium Asterisk Registration Database improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Digium Asterisk. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Registration Database. Executing a manipulation can lead to improper authentication. This vulnerability is registered as CVE-2007-6430. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Digium Asterisk (Communications System) (version now known). This vulnerability affects some unknown processing of the component Registration Database. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, and integrity. CVE summarizes:

Asterisk Open Source 1.2.x before 1.2.26 and 1.4.x before 1.4.16, and Business Edition B.x.x before B.2.3.6 and C.x.x before C.1.0-beta8, when using database-based registrations ("realtime") and host-based authentication, does not check the IP address when the username is correct and there is no password, which allows remote attackers to bypass authentication using a valid username.

The weakness was published 12/19/2007 with Asterisk.org (Website). The advisory is shared for download at downloads.digium.com. This vulnerability was named CVE-2007-6430 since 12/18/2007. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 31631 (Debian DSA-1525-1 : asterisk - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165709 (SUSE Enterprise Linux Security Update (SUSE-SR:2008:005)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (39124), Tenable (31631), SecurityFocus (BID 26928†), OSVDB (39519†) and Secunia (SA29456†). Similar entries are available at VDB-25650, VDB-32045, VDB-36698 and VDB-36981. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.5
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 31631
Nessus Name: Debian DSA-1525-1 : asterisk - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 60616
OpenVAS Name: Debian Security Advisory DSA 1525-1 (asterisk)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

12/18/2007 🔍
12/18/2007 +0 days 🔍
12/18/2007 +0 days 🔍
12/19/2007 +1 days 🔍
12/19/2007 +0 days 🔍
12/19/2007 +0 days 🔍
12/19/2007 +0 days 🔍
01/03/2008 +14 days 🔍
03/10/2008 +67 days 🔍
03/20/2008 +10 days 🔍
03/21/2008 +1 days 🔍
03/16/2021 +4743 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: downloads.digium.com
Organization: Asterisk.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-6430 (🔍)
GCVE (CVE): GCVE-0-2007-6430
GCVE (VulDB): GCVE-100-3520

OVAL: 🔍

X-Force: 39124 - Asterisk database-based registration security bypass, Medium Risk
SecurityFocus: 26928 - Asterisk Host-Based Authentication Security Bypass Vulnerability
Secunia: 29456 - Debian update for asterisk, Less Critical
OSVDB: 39519 - Asterisk Host Based Registration Database Security Bypass
SecurityTracker: 1019110 - Asterisk Lets Remote Users Bypass Host-based Access Controls in Certain Cases
Vulnerability Center: 17824 - Asterisk and Asterisk Business Edition Vulnerability Allows Remote Attacker to Bypass Authentication, Low
Vupen: ADV-2007-4260

See also: 🔍

Entryinfo

Created: 01/03/2008 09:20
Updated: 03/16/2021 10:03
Changes: 01/03/2008 09:20 (93), 12/24/2017 09:33 (6), 03/16/2021 10:03 (3)
Complete: 🔍
Cache ID: 216:07D:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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