Espressif ESP32 Secure Boot information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Espressif ESP32. It has been rated as problematic. The affected element is an unknown function of the component Secure Boot. This manipulation causes information disclosure. The identification of this vulnerability is CVE-2019-17391. It is feasible to perform the attack on the physical device. There is no exploit available.

Detailsinfo

A vulnerability was found in Espressif ESP32 (version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown function of the component Secure Boot. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

An issue was discovered in the Espressif ESP32 mask ROM code 2016-06-08 0 through 2. Lack of anti-glitch mitigations in the first stage bootloader of the ESP32 chip allows an attacker (with physical access to the device) to read the contents of read-protected eFuses, such as flash encryption and secure boot keys, by injecting a glitch into the power supply of the chip shortly after reset.

The weakness was shared 11/14/2019 (Website). The advisory is shared at espressif.com. This vulnerability is known as CVE-2019-17391 since 10/09/2019. The exploitation appears to be difficult. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

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

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.3

VulDB Base Score: 2.0
VulDB Temp Score: 2.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.6
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
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

10/09/2019 🔍
11/14/2019 +36 days 🔍
11/15/2019 +1 days 🔍
11/15/2019 +0 days 🔍

Sourcesinfo

Advisory: espressif.com
Status: Not defined

CVE: CVE-2019-17391 (🔍)
GCVE (CVE): GCVE-0-2019-17391
GCVE (VulDB): GCVE-100-145789

Entryinfo

Created: 11/15/2019 11:29
Updated: 11/15/2019 11:34
Changes: 11/15/2019 11:29 (37), 11/15/2019 11:34 (17)
Complete: 🔍
Cache ID: 216::103

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