Digium Asterisk 1.2/1.2.22/1.4.21.1/1.6 information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Digium Asterisk 1.2/1.2.22/1.4.21.1/1.6. It has been rated as problematic. This affects an unknown part. The manipulation leads to information disclosure. This vulnerability is referenced as CVE-2008-3903. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Digium Asterisk 1.2/1.2.22/1.4.21.1/1.6 (Communications System) and classified as problematic. This issue affects an unknown function. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

Asterisk Open Source 1.2.x before 1.2.32, 1.4.x before 1.4.24.1, and 1.6.0.x before 1.6.0.8; Asterisk Business Edition A.x.x, B.x.x before B.2.5.8, C.1.x.x before C.1.10.5, and C.2.x.x before C.2.3.3; s800i 1.3.x before 1.3.0.2; and Trixbox PBX 2.6.1, when Digest authentication and authalwaysreject are enabled, generates different responses depending on whether a SIP username is valid, which allows remote attackers to enumerate valid usernames.

The weakness was published 09/04/2008 (Website). The advisory is shared at debian.org. The identification of this vulnerability is CVE-2008-3903 since 09/04/2008. The attack may be initiated remotely. The successful exploitation requires a simple authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 44817 (Debian DSA-1952-1 : asterisk - several vulnerabilities, end-of-life announcement in oldstable), 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 175032 (Debian Security Update for Asterisk (DSA-1952)).

Upgrading to version 1.2.22 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (45059), Tenable (44817), SecurityFocus (BID 34353†), Secunia (SA34982†) and Vulnerability Center (SBV-21971†). Similar entries are available at VDB-36524, VDB-45523 and VDB-50758. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 44817
Nessus Name: Debian DSA-1952-1 : asterisk - several vulnerabilities, end-of-life announcement in oldstable
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 66591
OpenVAS Name: Debian Security Advisory DSA 1952-1 (asterisk)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Asterisk 1.2.22
ISS Proventia IPS: 🔍

Timelineinfo

09/02/2008 🔍
09/04/2008 +2 days 🔍
09/04/2008 +0 days 🔍
09/04/2008 +0 days 🔍
04/02/2009 +210 days 🔍
05/04/2009 +32 days 🔍
05/11/2009 +7 days 🔍
03/17/2015 +2136 days 🔍
05/22/2025 +3719 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: debian.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-3903 (🔍)
GCVE (CVE): GCVE-0-2008-3903
GCVE (VulDB): GCVE-100-43925

OVAL: 🔍

X-Force: 45059
SecurityFocus: 34353 - Asterisk Authentication SIP Response Remote Information Disclosure Vulnerability
Secunia: 34982 - Gentoo update for asterisk, Moderately Critical
Vulnerability Center: 21971 - Digium Asterisk PBX Digest Authentication SIP User Names Enumeration Vulnerability, Low
Vupen: ADV-2009-0933

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 05/22/2025 21:48
Changes: 03/17/2015 16:11 (61), 12/24/2017 09:36 (15), 08/02/2021 08:19 (3), 05/22/2025 21:48 (18)
Complete: 🔍
Cache ID: 216:044:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!