Digium Asterisk 1.6.2.24 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Digium Asterisk 1.6.2.24. This issue affects some unknown processing. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2012-2415. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Digium Asterisk 1.6.2.24 (Communications System). It has been declared as critical. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

Heap-based buffer overflow in chan_skinny.c in the Skinny channel driver in Asterisk Open Source 1.6.2.x before 1.6.2.24, 1.8.x before 1.8.11.1, and 10.x before 10.3.1 allows remote authenticated users to cause a denial of service or possibly have unspecified other impact via a series of KEYPAD_BUTTON_MESSAGE events.

The weakness was disclosed 04/23/2012 by Matt Jordan (ryan) as AST-2012-005 as not defined knowledge base article (Website). The advisory is shared at downloads.asterisk.org. This vulnerability is known as CVE-2012-2415 since 04/23/2012. The exploitation appears to be difficult. The attack can be launched remotely. A single authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 58905 (Asterisk Heap-Based Buffer Overflow in Skinny Channel Driver (AST-2012-005)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r.

Upgrading to version 1.6.2.24, 1.8.11.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12620.

The vulnerability is also documented in the databases at X-Force (75102), Tenable (58905), SecurityFocus (BID 53210†), OSVDB (81455†) and Secunia (SA48891†). The entries VDB-5316 and VDB-5318 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 58905
Nessus Name: Asterisk Heap-Based Buffer Overflow in Skinny Channel Driver (AST-2012-005)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 71262
OpenVAS Name: Debian Security Advisory DSA 2460-1 (asterisk)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Asterisk 1.6.2.24, 1.8.11.1
TippingPoint: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

04/23/2012 🔍
04/23/2012 +0 days 🔍
04/23/2012 +0 days 🔍
04/23/2012 +0 days 🔍
04/27/2012 +4 days 🔍
04/27/2012 +0 days 🔍
04/30/2012 +3 days 🔍
04/30/2012 +0 days 🔍
05/03/2012 +3 days 🔍
05/24/2012 +21 days 🔍
12/22/2024 +4595 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: AST-2012-005
Researcher: Matt Jordan (ryan)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-2415 (🔍)
GCVE (CVE): GCVE-0-2012-2415
GCVE (VulDB): GCVE-100-5317

OVAL: 🔍

X-Force: 75102
SecurityFocus: 53210 - Asterisk Skinny Channel Driver Heap-Based Buffer Overflow Vulnerability
Secunia: 48891 - Asterisk Multiple Vulnerabilities, Moderately Critical
OSVDB: 81455
SecurityTracker: 1026962
Vulnerability Center: 35156 - Asterisk Open Source Skinny Channel Driver Heap-Based Buffer Overflow, Medium

See also: 🔍

Entryinfo

Created: 05/03/2012 14:49
Updated: 12/22/2024 19:36
Changes: 05/03/2012 14:49 (78), 12/24/2017 09:34 (9), 03/24/2021 09:37 (2), 12/22/2024 19:36 (17)
Complete: 🔍
Cache ID: 216:5AF:103

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