Digium Asterisk 1.6.1 main/rtp.c resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Digium Asterisk 1.6.1. It has been declared as problematic. This affects an unknown part of the file main/rtp.c. Executing a manipulation can lead to resource management. This vulnerability is handled as CVE-2009-2651. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Digium Asterisk 1.6.1 (Communications System) and classified as problematic. This vulnerability affects some unknown processing of the file main/rtp.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. CVE summarizes:

main/rtp.c in Asterisk Open Source 1.6.1 before 1.6.1.2 allows remote attackers to cause a denial of service (crash) via an RTP text frame without a certain delimiter, which triggers a NULL pointer dereference and the subsequent calculation of an invalid pointer.

The weakness was released 07/27/2009 by Hunger (Website). The advisory is shared for download at vupen.com. This vulnerability was named CVE-2009-2651 since 07/30/2009. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 41633 (Fedora 11 : asterisk-1.6.1.6-1.fc11 (2009-9405)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

Upgrading to version 1.6.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (52046), Tenable (41633), SecurityFocus (BID 35837†), OSVDB (56571†) and Secunia (SA36039†). 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: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
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: 41633
Nessus Name: Fedora 11 : asterisk-1.6.1.6-1.fc11 (2009-9405)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 64970
OpenVAS Name: Fedora Core 11 FEDORA-2009-9405 (asterisk)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Asterisk 1.6.1

Timelineinfo

07/27/2009 🔍
07/27/2009 +0 days 🔍
07/27/2009 +0 days 🔍
07/27/2009 +0 days 🔍
07/28/2009 +1 days 🔍
07/28/2009 +0 days 🔍
07/28/2009 +0 days 🔍
07/30/2009 +1 days 🔍
07/30/2009 +0 days 🔍
10/07/2009 +69 days 🔍
03/18/2015 +1988 days 🔍
08/13/2021 +2340 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: vupen.com⛔
Researcher: Hunger
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-2651 (🔍)
GCVE (CVE): GCVE-0-2009-2651
GCVE (VulDB): GCVE-100-49216
X-Force: 52046
SecurityFocus: 35837 - Asterisk RTP Text Frames Processing Remote Denial of Service Vulnerability
Secunia: 36039 - Asterisk RTP Text Frames Denial of Service Vulnerability, Moderately Critical
OSVDB: 56571 - Asterisk main/rtp.c RTP Text Frames Handling Remote DoS
SecurityTracker: 1022608 - Asterisk RTP Frame Processing Bug Lets Remote Users Deny Service
Vulnerability Center: 23616 - Digium Asterisk Open Source < 1.6.1.2 RTP Text Frame Remote DoS Vulnerability, Medium
Vupen: ADV-2009-2067

Entryinfo

Created: 03/18/2015 15:15
Updated: 08/13/2021 08:41
Changes: 03/18/2015 15:15 (67), 08/20/2017 22:02 (17), 08/13/2021 08:41 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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