VDB-110089 · CVE-2017-12362 · BID 101987

Cisco Meeting Server up to 2.2.1 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.
5.1$0-$5k0.00

A vulnerability classified as problematic was found in Cisco Meeting Server up to 2.2.1 (Unified Communication Software). Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

A vulnerability in Cisco Meeting Server versions prior to 2.2.2 could allow an authenticated, remote attacker to cause the system to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to video calls being made on systems with a particular configuration. An attacker could exploit this by knowing a valid URI that directs to a Cisco Meeting Server. An attacker could then make a video call and cause the system to reload. Cisco Bug IDs: CSCve65931.

The bug was discovered 11/15/2017. The weakness was shared 11/30/2017 with Cisco as cisco-sa-20171129-cms as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2017-12362 since 08/03/2017. The attack can be launched remotely. The successful exploitation requires a single authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.2.2 eliminates this vulnerability.

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Meeting Server 2.2.2

Timelineinfo

08/03/2017 🔍
11/15/2017 +104 days 🔍
11/29/2017 +14 days 🔍
11/30/2017 +1 days 🔍
11/30/2017 +0 days 🔍
11/30/2017 +0 days 🔍
01/25/2021 +1152 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20171129-cms
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-12362 (🔍)
SecurityTracker: 1039913
SecurityFocus: 101987 - Cisco Meeting Server CVE-2017-12362 Denial of Service Vulnerability

Entryinfo

Created: 11/30/2017 14:37
Updated: 01/25/2021 13:59
Changes: 11/30/2017 14:37 (62), 12/11/2019 14:07 (5), 01/25/2021 13:59 (2)
Complete: 🔍

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