VDB-88568 · CVE-2016-5729 · BID 91536

Lenovo BIOS EFI Driver access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Lenovo BIOS EFI Driver and classified as problematic. The impacted element is an unknown function. Such manipulation leads to access control. This vulnerability is listed as CVE-2016-5729. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Lenovo BIOS EFI Driver (Hardware Driver Software) (the affected version is unknown). It has been rated as critical. Affected by this issue is an unknown code. 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. CVE summarizes:

Lenovo BIOS EFI Driver allows local administrators to execute arbitrary code with System Management Mode (SMM) privileges via unspecified vectors.

The weakness was presented 06/30/2016 (Website). The advisory is shared for download at support.lenovo.com. This vulnerability is handled as CVE-2016-5729 since 06/21/2016. The exploitation is known to be easy. The attack needs to be approached locally. A simple authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

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 91536†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.7
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
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: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/21/2016 🔍
06/23/2016 +2 days 🔍
06/30/2016 +7 days 🔍
06/30/2016 +0 days 🔍
07/04/2016 +4 days 🔍
02/15/2019 +956 days 🔍

Sourcesinfo

Vendor: lenovo.com

Advisory: support.lenovo.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-5729 (🔍)
GCVE (CVE): GCVE-0-2016-5729
GCVE (VulDB): GCVE-100-88568
SecurityFocus: 91536 - Multiple Lenovo Products SMM CVE-2016-5729 Local Code Execution Vulnerability

Entryinfo

Created: 07/04/2016 10:10
Updated: 02/15/2019 16:29
Changes: 07/04/2016 10:10 (46), 02/15/2019 16:29 (13)
Complete: 🔍
Cache ID: 216:087:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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