Digium Asterisk up to 1.6.1.18 manager.c resource management

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.
5.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Digium Asterisk up to 1.6.1.18. This affects an unknown function of the file manager.c. This manipulation causes resource management. This vulnerability is tracked as CVE-2011-1174. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Digium Asterisk up to 1.6.1.18 (Communications System). It has been declared as problematic. Affected by this vulnerability is an unknown code of the file manager.c. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

manager.c in Asterisk Open Source 1.6.1.x before 1.6.1.24, 1.6.2.x before 1.6.2.17.2, and 1.8.x before 1.8.3.2 allows remote attackers to cause a denial of service (CPU and memory consumption) via a series of manager sessions involving invalid data.

The weakness was disclosed 03/31/2011 as Bug 688675 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2011-1174. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 52714 (Asterisk Multiple Denial of Service Vulnerabilities (AST-2011-003 / AST-2011-004)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Denial of Service.

Upgrading to version 1.6.1.19 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (66139), Tenable (52714), SecurityFocus (BID 46897†), SecurityTracker (ID 1025223†) and Vulnerability Center (SBV-30588†). The entry VDB-56978 is pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 52714
Nessus Name: Asterisk Multiple Denial of Service Vulnerabilities (AST-2011-003 / AST-2011-004)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 69568
OpenVAS Name: Debian Security Advisory DSA 2225-1 (asterisk)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Asterisk 1.6.1.19

Timelineinfo

03/03/2011 🔍
03/17/2011 +14 days 🔍
03/18/2011 +1 days 🔍
03/20/2011 +2 days 🔍
03/31/2011 +11 days 🔍
03/31/2011 +0 days 🔍
03/20/2015 +1450 days 🔍
12/01/2024 +3544 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: Bug 688675
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-1174 (🔍)
GCVE (CVE): GCVE-0-2011-1174
GCVE (VulDB): GCVE-100-56977
X-Force: 66139
SecurityFocus: 46897
Secunia: 43722
SecurityTracker: 1025223
Vulnerability Center: 30588 - Asterisk Manager Interface Remote Denial of Service (Resource Exhaustion), Low

See also: 🔍

Entryinfo

Created: 03/20/2015 16:16
Updated: 12/01/2024 22:48
Changes: 03/20/2015 16:16 (43), 07/08/2015 14:36 (19), 10/21/2021 14:55 (3), 10/21/2021 14:58 (7), 10/21/2021 15:01 (2), 12/01/2024 22:48 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!