Espressif ESP-IDF up to 4.0.1 BluFi Provisioning blufi_prf.c btc_blufi_recv_handler buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.5 | $0-$5k | 0.00 |
Summary
A vulnerability identified as critical has been detected in Espressif ESP-IDF up to 4.0.1. Affected is the function btc_blufi_recv_handler of the file blufi_prf.c of the component BluFi Provisioning. This manipulation causes buffer overflow.
This vulnerability is tracked as CVE-2020-16146. No exploit exists.
Details
A vulnerability classified as critical was found in Espressif ESP-IDF up to 4.0.1. Affected by this vulnerability is the function btc_blufi_recv_handler of the file blufi_prf.c of the component BluFi Provisioning. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was disclosed 01/12/2021. The advisory is shared at github.com. This vulnerability is known as CVE-2020-16146. Technical details are known, but no exploit is available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
Version
- 2.x
- 3.0.0
- 3.0.1
- 3.0.2
- 3.0.3
- 3.0.4
- 3.0.5
- 3.0.6
- 3.0.7
- 3.0.8
- 3.0.9
- 3.1.0
- 3.1.1
- 3.1.2
- 3.1.3
- 3.1.4
- 3.1.5
- 3.1.6
- 3.1.7
- 3.2.0
- 3.2.1
- 3.2.2
- 3.2.3
- 3.3.0
- 3.3.1
- 3.3.2
- 4.0.0
- 4.0.1
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.5
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
07/30/2020 🔍01/12/2021 🔍
01/12/2021 🔍
02/11/2021 🔍
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2020-16146 (🔍)
GCVE (CVE): GCVE-0-2020-16146
GCVE (VulDB): GCVE-100-167617
Entry
Created: 01/12/2021 12:07Updated: 02/11/2021 17:06
Changes: 01/12/2021 12:07 (38), 02/11/2021 17:00 (2), 02/11/2021 17:06 (18)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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