Cisco TelePresence Multipoint Control Unit Fragmentation input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Cisco TelePresence Multipoint Control Unit. This affects an unknown part of the component Fragmentation Handler. Executing a manipulation can lead to input validation. This vulnerability is handled as CVE-2017-3792. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical was found in Cisco TelePresence Multipoint Control Unit (Unified Communication Software) (affected version unknown). This vulnerability affects an unknown functionality of the component Fragmentation Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 01/25/2017. The weakness was released 01/25/2017 as cisco-sa-20170125-telepresence as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2017-3792 since 12/21/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/28/2024).

The vulnerability scanner Nessus provides a plugin with the ID 97021 (Cisco TelePresence MCU Fragmented Packets Reassembly RCE), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38656 (Cisco TelePresence MCU Remote Code Execution Vulnerability (cisco-sa-20170125-telepresence)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

To prevent exploitation of this vulnerability, customers can configure TelePresence MCU Software to use Transcoded content mode instead of Passthrough content mode. Note: In Transcoded content mode, video resolution might be lower than in Passthrough content mode.

The vulnerability is also documented in the databases at Tenable (97021) and SecurityFocus (BID 95787†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.7

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Cisco): 9.8
Vendor Vector (Cisco): 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
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: 🔍

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Nessus ID: 97021
Nessus Name: Cisco TelePresence MCU Fragmented Packets Reassembly RCE
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802459
OpenVAS Name: Cisco TelePresence Multipoint Control Unit Remote Code Execution Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

12/21/2016 🔍
01/25/2017 +35 days 🔍
01/25/2017 +0 days 🔍
01/25/2017 +0 days 🔍
01/25/2017 +0 days 🔍
01/27/2017 +2 days 🔍
02/01/2017 +5 days 🔍
02/06/2017 +5 days 🔍
08/28/2024 +2760 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170125-telepresence
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-3792 (🔍)
GCVE (CVE): GCVE-0-2017-3792
GCVE (VulDB): GCVE-100-96076
SecurityFocus: 95787 - Cisco TelePresence Multipoint Control Unit CVE-2017-3792 Remote Code Execution Vulnerability
OSVDB: - CVE-2017-3792 - Cisco - TelePresence MCU - Buffer Overflow Issue
SecurityTracker: 1037698

Entryinfo

Created: 01/27/2017 14:42
Updated: 08/28/2024 20:02
Changes: 01/27/2017 14:42 (87), 11/04/2022 10:35 (5), 08/28/2024 20:02 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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