Digium Asterisk up to 1.4.10 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Digium Asterisk up to 1.4.10. Affected by this vulnerability is an unknown functionality. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2009-2346. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Digium Asterisk up to 1.4.10 (Communications System). It has been rated as critical. This issue affects an unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability. The summary by CVE is:

The IAX2 protocol implementation in Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.2, 1.6.0.x before 1.6.0.15, and 1.6.1.x before 1.6.1.6; Business Edition B.x.x before B.2.5.10, C.2.x before C.2.4.3, and C.3.x before C.3.1.1; and s800i 1.3.x before 1.3.0.3 allows remote attackers to cause a denial of service (call-number exhaustion) by initiating many IAX2 message exchanges, a related issue to CVE-2008-3263.

The weakness was released 09/08/2009 by Noam Rathaus (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2009-2346. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 40885 (Asterisk IAX2 Call Number Exhaustion DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Denial of Service. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116604 (Asterisk IAX2 Call Number Exhaustion Denial of Service Vulnerability (AST-2009-006)).

Upgrading to version 1.4.11 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (53038), Tenable (40885), SecurityFocus (BID 36275†), SecurityTracker (ID 1022819†) and Vulnerability Center (SBV-23498†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 40885
Nessus Name: Asterisk IAX2 Call Number Exhaustion DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 64967
OpenVAS Name: Fedora Core 10 FEDORA-2009-9374 (asterisk)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Asterisk 1.4.11
McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

07/07/2009 🔍
09/03/2009 +58 days 🔍
09/03/2009 +0 days 🔍
09/08/2009 +5 days 🔍
09/08/2009 +0 days 🔍
09/08/2009 +0 days 🔍
09/14/2009 +6 days 🔍
03/18/2015 +2011 days 🔍
04/06/2025 +3672 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: securityfocus.com⛔
Researcher: Noam Rathaus
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-2346 (🔍)
GCVE (CVE): GCVE-0-2009-2346
GCVE (VulDB): GCVE-100-49841
X-Force: 53038
SecurityFocus: 36275 - Asterisk IAX2 Call Number Space Exhaustion Remote Denial of Service Vulnerability
SecurityTracker: 1022819
Vulnerability Center: 23498 - Digium Multiple Products IAX2 Message Exchanges Remote DoS Vulnerability, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/18/2015 15:15
Updated: 04/06/2025 08:03
Changes: 03/18/2015 15:15 (61), 12/24/2017 09:37 (12), 08/22/2021 06:59 (4), 08/22/2021 07:09 (1), 08/15/2024 16:37 (17), 12/29/2024 00:26 (8), 04/06/2025 08:03 (3)
Complete: 🔍
Cache ID: 216::103

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

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