VDB-107687 · CVE-2017-5722 · BID 101236

Intel NUC7i3BNK/NUC7i3BNH/NUC7i5BNK/NUC7i5BNH/NUC7i7BNH up to BN0049 Policy Enforcement access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Intel NUC7i3BNK, NUC7i3BNH, NUC7i5BNK, NUC7i5BNH and NUC7i7BNH up to BN0049. This affects an unknown function of the component Policy Enforcement. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2017-5722. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Intel NUC7i3BNK, NUC7i3BNH, NUC7i5BNK, NUC7i5BNH and NUC7i7BNH up to BN0049. This issue affects some unknown processing of the component Policy Enforcement. 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:

Incorrect policy enforcement in system firmware for Intel NUC7i3BNK, NUC7i3BNH, NUC7i5BNK, NUC7i5BNH, NUC7i7BNH versions BN0049 and below allows attackers with local or physical access to bypass enforcement of integrity protections via manipulation of firmware storage.

The bug was discovered 10/06/2017. The weakness was disclosed 10/11/2017 (Website). It is possible to read the advisory at security-center.intel.com. The identification of this vulnerability is CVE-2017-5722 since 02/01/2017. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 4 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 101236†). The entries VDB-107684, VDB-107685 and VDB-107686 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.2
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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

02/01/2017 🔍
10/06/2017 +247 days 🔍
10/10/2017 +3 days 🔍
10/10/2017 +0 days 🔍
10/11/2017 +1 days 🔍
10/11/2017 +0 days 🔍
01/16/2021 +1193 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: security-center.intel.com
Researcher: Alex Ermolov
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-5722 (🔍)
GCVE (CVE): GCVE-0-2017-5722
GCVE (VulDB): GCVE-100-107687
SecurityFocus: 101236

See also: 🔍

Entryinfo

Created: 10/11/2017 10:35
Updated: 01/16/2021 08:30
Changes: 10/11/2017 10:35 (58), 11/23/2019 15:29 (2), 01/16/2021 08:30 (4)
Complete: 🔍
Cache ID: 216:B24:103

Be aware that VulDB is the high quality source for vulnerability data.

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