Digium Asterisk up to 1.8.x/11.21.0/12.x/13.7.0 UDPTL FAX Packet denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Digium Asterisk up to 1.8.x/11.21.0/12.x/13.7.0. It has been declared as problematic. The impacted element is an unknown function of the component UDPTL FAX Packet Handler. The manipulation results in denial of service. This vulnerability is identified as CVE-2016-2232. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Digium Asterisk up to 1.8.x/11.21.0/12.x/13.7.0 (Communications System). Affected is some unknown processing of the component UDPTL FAX Packet Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

Asterisk Open Source 1.8.x, 11.x before 11.21.1, 12.x, and 13.x before 13.7.1 and Certified Asterisk 1.8.28, 11.6 before 11.6-cert12, and 13.1 before 13.1-cert3 allow remote authenticated users to cause a denial of service (uninitialized pointer dereference and crash) via a zero length error correcting redundancy packet for a UDPTL FAX packet that is lost.

The weakness was released 02/22/2016 (Website). The advisory is available at downloads.asterisk.org. This vulnerability is traded as CVE-2016-2232. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 88584 (FreeBSD : asterisk -- Multiple vulnerabilities (559f3d1b-cb1d-11e5-80a4-001999f8d30b) (BEAST)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175868 (Debian Security Update for asterisk (DSA 3700-1)).

Upgrading to version 11.21.1 or 13.7.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (88584), SecurityFocus (BID 83352†) and Vulnerability Center (SBV-57688†). Entries connected to this vulnerability are available at VDB-74686, VDB-81067 and VDB-99926. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

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Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: 88584
Nessus Name: FreeBSD : asterisk -- Multiple vulnerabilities (559f3d1b-cb1d-11e5-80a4-001999f8d30b) (BEAST)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 103497
OpenVAS Name: Asterisk Multiple Denial of Service Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Asterisk 11.21.1/13.7.1

Timelineinfo

02/03/2016 🔍
02/07/2016 +3 days 🔍
02/22/2016 +15 days 🔍
02/22/2016 +0 days 🔍
02/23/2016 +1 days 🔍
03/23/2016 +29 days 🔍
07/08/2022 +2298 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: downloads.asterisk.org
Status: Not defined

CVE: CVE-2016-2232 (🔍)
GCVE (CVE): GCVE-0-2016-2232
GCVE (VulDB): GCVE-100-81066

OVAL: 🔍

SecurityFocus: 83352
SecurityTracker: 1034931
Vulnerability Center: 57688 - Asterisk Open Source and Certified Asterisk Remote DoS via a Zero Length Error, Medium

See also: 🔍

Entryinfo

Created: 02/23/2016 09:42
Updated: 07/08/2022 12:07
Changes: 02/23/2016 09:42 (40), 12/24/2017 09:38 (27), 07/08/2022 11:52 (4), 07/08/2022 11:59 (11), 07/08/2022 12:07 (1)
Complete: 🔍
Cache ID: 216:089:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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