Digium Asterisk up to 12.5.0 PJSIP Channel data processing

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in Digium Asterisk and classified as problematic. This issue affects some unknown processing of the component PJSIP Channel Handler. Performing a manipulation results in data processing. This vulnerability is known as CVE-2014-6610. Remote exploitation of the attack is possible. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Digium Asterisk (Communications System). This affects an unknown part of the component PJSIP Channel Handler. The manipulation with an unknown input leads to a data processing vulnerability. CWE is classifying the issue as CWE-19. This is going to have an impact on availability.

The weakness was published 09/18/2014 by Philippe Lindheimer as AST-2014-010 as confirmed advisory (Website). The advisory is shared at downloads.asterisk.org. The public release has been coordinated with Digium. This vulnerability is uniquely identified as CVE-2014-6610 since 09/18/2014. The exploitability is told to be easy. It is possible to initiate the attack remotely. A authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 77859 (Asterisk ReceiveFax Dialplan Application Remote DoS (AST-2014-010)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc..

Upgrading to version 11.12.1 or 12.5.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at downloads.asterisk.org. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (96073), Tenable (77859), SecurityFocus (BID 69962†), SecurityTracker (ID 1030876†) and Vulnerability Center (SBV-47217†). Similar entry is available at VDB-67664. 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: 4.3
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.3
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Data processing
CWE: CWE-19
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 77859
Nessus Name: Asterisk ReceiveFax Dialplan Application Remote DoS (AST-2014-010)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 18627
OpenVAS Name: Gentoo Linux Local Check: https://security.gentoo.org/glsa/201411-10
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Upgrade: Asterisk 11.12.1/12.5.1
Patch: downloads.asterisk.org

Timelineinfo

09/05/2014 🔍
09/18/2014 +13 days 🔍
09/18/2014 +0 days 🔍
09/18/2014 +0 days 🔍
09/18/2014 +0 days 🔍
09/18/2014 +0 days 🔍
09/18/2014 +0 days 🔍
09/23/2014 +5 days 🔍
09/25/2014 +2 days 🔍
11/20/2014 +56 days 🔍
11/26/2014 +6 days 🔍
02/20/2022 +2643 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: AST-2014-010
Researcher: Philippe Lindheimer
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2014-6610 (🔍)
GCVE (CVE): GCVE-0-2014-6610
GCVE (VulDB): GCVE-100-67665

IAVM: 🔍

X-Force: 96073 - Asterisk PJSIP channel denial of service, Medium Risk
SecurityFocus: 69962 - Multiple Asterisk Products CVE-2014-6610 Out of Call Message Denial of Service Vulnerability
SecurityTracker: 1030876 - Asterisk res_fax_spandsp Module Processing Flaw Lets Remote Authenticated Users Deny Service
Vulnerability Center: 47217 - Multiple Digium Asterisk Products Remote DoS vulnerability due to an Error in the res_fax_spandsp Module, Medium

See also: 🔍

Entryinfo

Created: 09/23/2014 13:17
Updated: 02/20/2022 20:37
Changes: 09/23/2014 13:17 (85), 12/24/2017 09:41 (5), 02/20/2022 20:30 (3), 02/20/2022 20:37 (1)
Complete: 🔍
Cache ID: 216::103

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

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