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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in MediaTek Driver on Linux. This affects the function MT6573FDVT_SetRegHW of the file camera_fdvt.c. The manipulation leads to access control. This vulnerability is listed as CVE-2016-6492. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in MediaTek Driver on Linux (Hardware Driver Software) (version now known). This issue affects the function MT6573FDVT_SetRegHW of the file camera_fdvt.c. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The MT6573FDVT_SetRegHW function in camera_fdvt.c in the MediaTek driver for Linux allows local users to gain privileges via a crafted application that makes an MT6573FDVTIOC_T_SET_FDCONF_CMD IOCTL call.

The bug was discovered 07/30/2016. The weakness was presented 01/12/2017 (Website). The advisory is shared at packetstormsecurity.com. The identification of this vulnerability is CVE-2016-6492 since 07/28/2016. An attack has to be approached locally. Required for exploitation is a simple authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 166 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 92207†). See VDB-90448, VDB-90450, VDB-95214 and VDB-95215 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Hardware Driver Software

Vendor

• MediaTek

Name

• Driver

License

• commercial

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.8
NVD Vector: 🔍

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: Partially
Local: Yes
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/28/2016 🔍
07/30/2016 +2 days 🔍
07/30/2016 +0 days 🔍
01/12/2017 +166 days 🔍
01/12/2017 +0 days 🔍
01/13/2017 +1 days 🔍
10/28/2022 +2114 days 🔍

Sourcesinfo

Advisory: 138113
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-6492 (🔍)
GCVE (CVE): GCVE-0-2016-6492
GCVE (VulDB): GCVE-100-95213
SecurityFocus: 92207 - MediaTek Driver CVE-2016-6492 Privilege Escalation Vulnerability
OSVDB: - CVE-2016-6492 - Linux - Privilege Escalation Issue

See also: 🔍

Entryinfo

Created: 01/13/2017 08:07
Updated: 10/28/2022 13:44
Changes: 01/13/2017 08:07 (60), 07/20/2020 12:48 (6), 10/28/2022 13:44 (2)
Complete: 🔍
Cache ID: 216:190:103

Discussion

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