VDB-12452 · CVE-2013-6949 · VU#656302

Belkin WeMo 2769 STUN/TURN Protocol access control

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.
4.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Belkin WeMo 2769. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component STUN/TURN Protocol Handler. Such manipulation leads to access control. This vulnerability is uniquely identified as CVE-2013-6949. No exploit exists. It is recommended to upgrade the affected component. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability was found in Belkin WeMo 2769 and classified as problematic. Affected by this issue is some unknown processing of the component STUN/TURN Protocol Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is integrity. CVE summarizes:

The Belkin WeMo Home Automation firmware before 3949 does not properly use the STUN and TURN protocols, which allows remote attackers to hijack connections and possibly have unspecified other impact by leveraging access to a single WeMo device.

The weakness was disclosed 02/18/2014 by Mike Davis with IOActive as VU#656302 as confirmed vulnerability note (CERT.org). The advisory is shared for download at kb.cert.org. The public release has been coordinated in cooperation with the vendor. This vulnerability is handled as CVE-2013-6949 since 12/04/2013. 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. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 117 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version Firmware 3949 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (91218) and SecurityFocus (BID 65632†). The entries VDB-12451, VDB-12453, VDB-12454 and VDB-12455 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Belkin

Name

WeMo

Version

2769

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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: 🔍

Upgrade: WeMo Firmware 3949

Timelineinfo

10/24/2013 🔍
12/04/2013 +41 days 🔍
02/18/2014 +76 days 🔍
02/18/2014 +0 days 🔍
02/22/2014 +4 days 🔍
03/04/2014 +10 days 🔍
08/17/2024 +3819 days 🔍

Sourcesinfo

Advisory: VU#656302
Researcher: Mike Davis
Organization: IOActive
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-6949 (🔍)
GCVE (CVE): GCVE-0-2013-6949
GCVE (VulDB): GCVE-100-12452
CERT: 🔍
X-Force: 91218 - Belkin Wemo Home Automation devices STUN and TURN security bypass, Medium Risk
SecurityFocus: 65632

See also: 🔍

Entryinfo

Created: 03/04/2014 04:18 PM
Updated: 08/17/2024 07:57 PM
Changes: 03/04/2014 04:18 PM (59), 05/17/2018 08:46 AM (6), 08/17/2024 07:57 PM (17)
Complete: 🔍
Cache ID: 18:5E5:40