STMicroelectronics STM32F0 RDP Level 1 race condition

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in STMicroelectronics STM32F0 and classified as critical. Impacted is an unknown function of the component RDP Level 1. This manipulation causes race condition. This vulnerability is handled as CVE-2017-18347. It is feasible to perform the attack on the physical device. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in STMicroelectronics STM32F0 (the affected version unknown). Affected by this vulnerability is an unknown part of the component RDP Level 1. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Incorrect access control in RDP Level 1 on STMicroelectronics STM32F0 series devices allows physically present attackers to extract the device's protected firmware via a special sequence of Serial Wire Debug (SWD) commands because there is a race condition between full initialization of the SWD interface and the setup of flash protection.

The bug was discovered 09/12/2018. The weakness was released 09/12/2018 (Website). It is possible to read the advisory at community.st.com. This vulnerability is known as CVE-2017-18347 since 09/12/2018. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

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: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.6
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
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

09/12/2018 🔍
09/12/2018 +0 days 🔍
09/12/2018 +0 days 🔍
09/12/2018 +0 days 🔍
09/13/2018 +1 days 🔍
03/23/2020 +557 days 🔍

Sourcesinfo

Advisory: community.st.com
Status: Not defined

CVE: CVE-2017-18347 (🔍)
GCVE (CVE): GCVE-0-2017-18347
GCVE (VulDB): GCVE-100-123931

Entryinfo

Created: 09/13/2018 07:02
Updated: 03/23/2020 08:05
Changes: 09/13/2018 07:02 (54), 03/23/2020 08:05 (1)
Complete: 🔍
Cache ID: 216::103

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