CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1	$0-$5k	0.00

A vulnerability was found in Digium Asterisk (Communications System). It has been rated as problematic. Affected by this issue is an unknown function of the component SCCP Packet Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. Impacted is availability.

The bug was discovered 04/13/2017. The weakness was released 06/02/2017 (Website). The advisory is available at downloads.asterisk.org. This vulnerability is handled as CVE-2017-9358. The attack may be launched remotely. No form of authentication is required for exploitation. 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 was handled as a non-public zero-day exploit for at least 50 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

Entry connected to this vulnerability is available at 101907.

Productinfo

Type

• Communications System

Vendor

• Digium

Name

• Asterisk

Version

• 13.0.0
• 13.1.0
• 13.2.0
• 13.3.0
• 13.4.0
• 13.5.0
• 13.6.0
• 13.7.0
• 13.8.0
• 13.8.1
• 13.8.2
• 13.9.0
• 13.10.0
• 13.11.0
• 13.12.0
• 13.12.1
• 13.12.2
• 13.13.0
• 13.14.0
• 13.15.0
• 14.0.0
• 14.1.0
• 14.2.0
• 14.2.1
• 14.3.0
• 14.4.0

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

OpenVAS ID: 863937
OpenVAS Name: Asterisk Multiple Vulnerabilities Vulnerability (May 2017)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/01/2017 🔍
04/13/2017 +17035 days 🔍
04/13/2017 +0 days 🔍
06/02/2017 +50 days 🔍
06/02/2017 +0 days 🔍
06/02/2017 +0 days 🔍
12/26/2020 +1303 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: downloads.asterisk.org
Researcher: Sandro Gauci
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9358 (🔍)
SecurityTracker: 1038531
SecurityFocus: 98573 - Multiple Asterisk Products Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 06/02/2017 14:37
Updated: 12/26/2020 08:34
Changes: 06/02/2017 14:37 (65), 12/17/2019 15:43 (4), 10/04/2020 11:32 (1), 12/26/2020 08:34 (3)
Complete: 🔍

Discussion

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