VDB-105426 · CVE-2017-6790 · BID 100369

Cisco TelePresence Video Communication Server Session Initiation Protocol resource management

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.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Cisco TelePresence Video Communication Server. It has been declared as problematic. This affects an unknown part of the component Session Initiation Protocol. The manipulation results in resource management. This vulnerability is identified as CVE-2017-6790. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Cisco TelePresence Video Communication Server (Unified Communication Software) (version now known). Affected is some unknown processing of the component Session Initiation Protocol. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:

A vulnerability in the Session Initiation Protocol (SIP) on the Cisco TelePresence Video Communication Server (VCS) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on the targeted appliance. The vulnerability is due to excessive SIP traffic sent to the device. An attacker could exploit this vulnerability by transmitting large volumes of SIP traffic to the VCS. An exploit could allow the attacker to cause a complete DoS condition on the targeted system. Cisco Bug IDs: CSCve32897.

The bug was discovered 08/16/2017. The weakness was released 08/17/2017 with Cisco as cisco-sa-20170816-vcs as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability is traded as CVE-2017-6790 since 03/09/2017. 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.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 100369†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Unified Communication Software

Vendor

Cisco

Name

TelePresence Video Communication Server

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

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

NVD Base Score: 6.8
NVD Vector: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/09/2017 🔍
08/16/2017 +160 days 🔍
08/16/2017 +0 days 🔍
08/17/2017 +1 days 🔍
08/17/2017 +0 days 🔍
08/18/2017 +1 days 🔍
01/09/2021 +1240 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170816-vcs
Researcher: Cisco
Organization: Cisco
Status: Confirmed

CVE: CVE-2017-6790 (🔍)
GCVE (CVE): GCVE-0-2017-6790
GCVE (VulDB): GCVE-100-105426
SecurityFocus: 100369 - Cisco TelePresence Video Communication Server CVE-2017-6790 Denial of Service Vulnerability
SecurityTracker: 1039185

Entryinfo

Created: 08/18/2017 08:55
Updated: 01/09/2021 16:24
Changes: 08/18/2017 08:55 (61), 11/08/2019 07:29 (4), 01/09/2021 16:17 (2), 01/09/2021 16:24 (1)
Complete: 🔍
Cache ID: 216::103

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