Cisco Meeting Server up to 2.1.1 Web Bridge Interface input validation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.0 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Cisco Meeting Server up to 2.1.1. It has been declared as critical. This impacts an unknown function of the component Web Bridge Interface. The manipulation results in input validation. This vulnerability is cataloged as CVE-2017-3837. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.
Details
A vulnerability, which was classified as critical, was found in Cisco Meeting Server up to 2.1.1 (Unified Communication Software). Affected is some unknown processing of the component Web Bridge Interface. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
An HTTP Packet Processing vulnerability in the Web Bridge interface of the Cisco Meeting Server (CMS), formerly Acano Conferencing Server, could allow an authenticated, remote attacker to retrieve memory contents, which could lead to the disclosure of confidential information. In addition, the attacker could potentially cause the application to crash unexpectedly, resulting in a denial of service (DoS) condition. The attacker would need to be authenticated and have a valid session with the Web Bridge. Affected Products: This vulnerability affects Cisco Meeting Server software releases prior to 2.1.2. This product was previously known as Acano Conferencing Server. More Information: CSCvc89551. Known Affected Releases: 2.0 2.0.7 2.1. Known Fixed Releases: 2.1.2.
The bug was discovered 02/15/2017. The weakness was shared 02/22/2017 with Cisco as cisco-sa-20170215-cms1 as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability is traded as CVE-2017-3837 since 12/21/2016. The exploitability is told to be easy. It is possible to launch the attack remotely. Required for exploitation is a 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 6 days. During that time the estimated underground price was around $5k-$25k.
Upgrading to version 2.1.2 eliminates this vulnerability.
The vulnerability is also documented in the databases at SecurityFocus (BID 96243†) and SecurityTracker (ID 1037834†). The entry VDB-97190 is related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.2VulDB Meta Temp Score: 7.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.1
NVD Vector: 🔍
CVSSv2
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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: 🔍
Exploiting
Class: Input validationCWE: CWE-20
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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OpenVAS ID: 103403
OpenVAS Name: Cisco Meeting Server HTTP Packet Processing Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Meeting Server 2.1.2
Timeline
12/21/2016 🔍02/15/2017 🔍
02/15/2017 🔍
02/21/2017 🔍
02/22/2017 🔍
02/22/2017 🔍
12/25/2024 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20170215-cms1
Organization: Cisco
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2017-3837 (🔍)
GCVE (CVE): GCVE-0-2017-3837
GCVE (VulDB): GCVE-100-97194
SecurityFocus: 96243 - Cisco Meeting Server CVE-2017-3837 Denial of Service Vulnerability
OSVDB: - CVE-2017-3837 - Cisco - Meeting Server - Denial of Service Issue
SecurityTracker: 1037834
See also: 🔍
Entry
Created: 02/22/2017 12:00Updated: 12/25/2024 18:38
Changes: 02/22/2017 12:00 (69), 08/16/2020 12:47 (6), 12/25/2024 18:38 (17)
Complete: 🔍
Cache ID: 216:5E8:103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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