Das U-Boot up to 2020.01 cmd/gpt.c do_rename_gpt_parts double free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.5 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in Das U-Boot up to 2020.01. Impacted is the function do_rename_gpt_parts of the file cmd/gpt.c. The manipulation results in double free.
This vulnerability is known as CVE-2020-8432. It is possible to launch the attack remotely. No exploit is available.
Details
A vulnerability was found in Das U-Boot up to 2020.01. It has been classified as critical. Affected is the function do_rename_gpt_parts of the file cmd/gpt.c. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
In Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c do_rename_gpt_parts() function. Double freeing may result in a write-what-where condition, allowing an attacker to execute arbitrary code. NOTE: this vulnerablity was introduced when attempting to fix a memory leak identified by static analysis.
The weakness was published 01/29/2020. This vulnerability is traded as CVE-2020-8432 since 01/29/2020. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.
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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Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.5
VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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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: Double freeCWE: CWE-415 / 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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/29/2020 🔍01/29/2020 🔍
01/30/2020 🔍
03/27/2024 🔍
Sources
Advisory: mail-archive.comStatus: Not defined
CVE: CVE-2020-8432 (🔍)
GCVE (CVE): GCVE-0-2020-8432
GCVE (VulDB): GCVE-100-149550
Entry
Created: 01/30/2020 08:35Updated: 03/27/2024 14:48
Changes: 01/30/2020 08:35 (35), 01/30/2020 08:40 (17), 03/27/2024 14:48 (17)
Complete: 🔍
Cache ID: 216::103
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