Cisco TelePresence Video Communications Server up to X8.7.1 SIP Header Disruption input validation

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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Cisco TelePresence Video Communications Server up to X8.7.1. Impacted is an unknown function of the component SIP Header Handler. Such manipulation leads to input validation (Disruption). This vulnerability is referenced as CVE-2016-1400. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco TelePresence Video Communications Server up to X8.7.1 (Unified Communication Software) and classified as problematic. Affected by this issue is an unknown functionality of the component SIP Header Handler. The manipulation with an unknown input leads to a input validation vulnerability (Disruption). Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

Cisco TelePresence Video Communications Server (VCS) X8.x before X8.7.2 allows remote attackers to cause a denial of service (service disruption) via a crafted URI in a SIP header, aka Bug ID CSCuy43258.

The weakness was published 05/25/2016 as CSCuy43258 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2016-1400 since 01/04/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version X8.7.2 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Unified Communication Software

Vendor

Cisco

Name

TelePresence Video Communications Server

Version

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
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
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Disruption
Class: Input validation / Disruption
CWE: CWE-20
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

OpenVAS ID: 870993
OpenVAS Name: Cisco Video Communication Server Session Initiation Protocol Packet Processing Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: TelePresence Video Communications Server X8.7.2

Timelineinfo

01/04/2016 🔍
05/24/2016 +141 days 🔍
05/25/2016 +1 days 🔍
05/26/2016 +1 days 🔍
08/22/2022 +2279 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCuy43258
Status: Confirmed

CVE: CVE-2016-1400 (🔍)
GCVE (CVE): GCVE-0-2016-1400
GCVE (VulDB): GCVE-100-87620
SecurityTracker: 1035899

Entryinfo

Created: 05/26/2016 09:41
Updated: 08/22/2022 09:51
Changes: 05/26/2016 09:41 (64), 12/14/2018 10:07 (1), 08/22/2022 09:51 (4)
Complete: 🔍
Cache ID: 216::103