Dell Client Platform OS Recovery Image insecure inherited permissions

CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Dell Client Platform. It has been rated as critical. Affected by this issue is some unknown functionality of the component OS Recovery Image. The manipulation leads to insecure inherited permissions. This vulnerability is handled as CVE-2020-5343. An attack has to be approached locally. There is no exploit available. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Details
A vulnerability was found in Dell Client Platform (version unknown). It has been declared as critical. Affected by this vulnerability is an unknown function of the component OS Recovery Image. The manipulation with an unknown input leads to a insecure inherited permissions vulnerability. The CWE definition for the vulnerability is CWE-277. A product defines a set of insecure permissions that are inherited by objects that are created by the program. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Dell Client platforms restored using a Dell OS recovery image downloaded before December 20, 2019, may contain an insecure inherited permissions vulnerability. A local authenticated malicious user with low privileges could exploit this vulnerability to gain unauthorized access on the root folder.
The weakness was published 05/04/2020. This vulnerability is known as CVE-2020-5343 since 01/03/2020. Attacking locally is a requirement. The successful exploitation requires a single authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/05/2020). The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.
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
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.3
VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.3
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Insecure inherited permissionsCWE: CWE-277 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
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
01/03/2020 🔍05/04/2020 🔍
05/05/2020 🔍
10/15/2020 🔍
Sources
Vendor: dell.comStatus: Not defined
CVE: CVE-2020-5343 (🔍)
GCVE (CVE): GCVE-0-2020-5343
GCVE (VulDB): GCVE-100-154735
Entry
Created: 05/05/2020 09:45Updated: 10/15/2020 10:41
Changes: 05/05/2020 09:45 (35), 05/05/2020 09:50 (11), 10/15/2020 10:41 (1)
Complete: 🔍
Cache ID: 216:097:103
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