Google Android 9.0/10.0/11.0/12.0 SimpleDecodingSource.cpp doRead privileges management
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.6 | $5k-$25k | 0.00 |
Summary
A vulnerability classified as critical has been found in Google Android 9.0/10.0/11.0/12.0. The impacted element is the function doRead of the file SimpleDecodingSource.cpp. This manipulation causes privileges management.
This vulnerability appears as CVE-2021-39623. The attack may be initiated remotely. There is no available exploit.
To fix this issue, it is recommended to deploy a patch.
Details
A vulnerability was found in Google Android 9.0/10.0/11.0/12.0 (Smartphone Operating System). It has been declared as very critical. Affected by this vulnerability is the function doRead of the file SimpleDecodingSource.cpp. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was presented 01/15/2022 as A-194105348. It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2021-39623 since 08/23/2021. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/15/2022). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.
Applying a patch is able to eliminate this problem.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.google.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB Meta Temp Score: 9.6
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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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: Privileges managementCWE: CWE-269 / CWE-266
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: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
08/23/2021 🔍01/15/2022 🔍
01/15/2022 🔍
01/19/2022 🔍
Sources
Vendor: google.comAdvisory: A-194105348
Status: Confirmed
CVE: CVE-2021-39623 (🔍)
GCVE (CVE): GCVE-0-2021-39623
GCVE (VulDB): GCVE-100-190483
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 01/15/2022 07:06Updated: 01/19/2022 08:05
Changes: 01/15/2022 07:06 (58), 01/19/2022 08:05 (1)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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