Digium Asterisk up to 1.2.10 MGCP AUEP Reply stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Digium Asterisk. This affects an unknown part of the component MGCP Handler. Executing a manipulation as part of AUEP Reply can lead to stack-based overflow. This vulnerability appears as CVE-2006-4345. The attack may be performed from remote. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability has been found in Digium Asterisk (Communications System) and classified as critical. This vulnerability affects an unknown part of the component MGCP Handler. The manipulation as part of a AUEP Reply leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in channels/chan_mgcp.c in MGCP in Asterisk 1.0 through 1.2.10 allows remote attackers to execute arbitrary code via a crafted audit endpoint (AUEP) response.

The bug was discovered 08/10/2006. The weakness was presented 08/24/2006 with Mu Security research team (Website). The advisory is shared for download at labs.musecurity.com. This vulnerability was named CVE-2006-4345 since 08/24/2006. 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. The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 22930 (GLSA-200610-15 : Asterisk: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at ftp.digium.com. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (28542), Tenable (22930), SecurityFocus (BID 19683†), OSVDB (28215†) and Secunia (SA22651†). See VDB-2489, VDB-31949 and VDB-32896 for similar entries. 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: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
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: 22930
Nessus Name: GLSA-200610-15 : Asterisk: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 57913
OpenVAS Name: Gentoo Security Advisory GLSA 200610-15 (asterisk)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: ftp.digium.com

Timelineinfo

08/10/2006 🔍
08/23/2006 +13 days 🔍
08/23/2006 +0 days 🔍
08/24/2006 +1 days 🔍
08/24/2006 +0 days 🔍
08/24/2006 +0 days 🔍
08/24/2006 +0 days 🔍
08/29/2006 +4 days 🔍
10/30/2006 +62 days 🔍
10/31/2006 +1 days 🔍
12/24/2017 +4072 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: labs.musecurity.com
Researcher: http://labs.musecurity.com
Organization: Mu Security research team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-4345 (🔍)
GCVE (CVE): GCVE-0-2006-4345
GCVE (VulDB): GCVE-100-2488
X-Force: 28542 - Asterisk MGCP buffer overflow, High Risk
SecurityFocus: 19683 - Asterisk Multiple Remote Vulnerabilities
Secunia: 22651 - Gentoo update for asterisk, Moderately Critical
OSVDB: 28215 - Asterisk MGCP Malformed AUEP Response Handling Remote Overflow
SecurityTracker: 1016742 - Asterisk Stack Overflow in MGCP Implementation Lets Remote Users Execute Arbitrary Code
Vupen: ADV-2006-3372

See also: 🔍

Entryinfo

Created: 08/29/2006 11:06
Updated: 12/24/2017 09:42
Changes: 08/29/2006 11:06 (92), 12/24/2017 09:42 (6)
Complete: 🔍
Cache ID: 216:EAF:103

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