Digium Asterisk prior 1.6.0 Beta4 astman_append format string

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.
5.9	$0-$5k	0.00

A vulnerability was found in Digium Asterisk 1.6.0 Beta1/1.6.0 Beta2/1.6.0 Beta3/1.6.0 Beta4/1.6.0 Beta5 (Communications System). It has been classified as critical. This affects the function astman_append. The manipulation with an unknown input leads to a format string vulnerability. CWE is classifying the issue as CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. This is going to have an impact on integrity, and availability. The summary by CVE is:

Format string vulnerability in Asterisk Open Source 1.6.x before 1.6.0-beta6 might allow remote attackers to execute arbitrary code via logging messages that are not properly handled by (1) the ast_verbose logging API call, or (2) the astman_append function.

The weakness was published 03/19/2008 (Website). It is possible to read the advisory at downloads.digium.com. This vulnerability is uniquely identified as CVE-2008-1333 since 03/13/2008. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

It is declared as proof-of-concept. 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.

Upgrading to version 1.6.0 Beta4 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (41301) and Tenable (31631). Similar entries are available at 3520 and 41594.

Productinfo

Type

Communications System

Vendor

Digium

Name

Asterisk

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Format string
CWE: CWE-134 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

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

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Asterisk 1.6.0 Beta4

Timelineinfo

03/13/2008 🔍
03/18/2008 +5 days 🔍
03/18/2008 +0 days 🔍
03/19/2008 +1 days 🔍
03/19/2008 +0 days 🔍
03/19/2008 +0 days 🔍
03/19/2008 +0 days 🔍
03/25/2008 +6 days 🔍
03/16/2015 +2547 days 🔍
07/31/2021 +2329 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: downloads.digium.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-1333 (🔍)
OVAL: 🔍

X-Force: 41301
SecurityTracker: 1019630 - Asterisk Format String Bug in Logger and Manager Lets Remote Users Deny Service
Vulnerability Center: 18012 - Digium Asterisk Format String Vulnerability Allows Remote Attackers to Execute Arbitrary Code, High
SecurityFocus: 28311 - Asterisk Logger and Manager Format String Vulnerabilities
Secunia: 29426 - Asterisk Multiple Vulnerabilities, Highly Critical
Vupen: ADV-2008-0928

See also: 🔍

Entryinfo

Created: 03/16/2015 17:00
Updated: 07/31/2021 10:49
Changes: 03/16/2015 17:00 (63), 12/24/2017 09:35 (18), 07/31/2021 10:49 (2)
Complete: 🔍