2021-0486 | Google Android FLV Extractor PermissionManagerService.java onPackageAddedInternal permission (A-171430330)
|CVSS Meta Temp Score
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|Current Exploit Price (≈)
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A vulnerability has been found in Google Android 10.0/11.0 (Smartphone Operating System) and classified as critical. This vulnerability affects the function
onPackageAddedInternal of the file PermissionManagerService.java of the component FLV Extractor. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-275. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
In onPackageAddedInternal of PermissionManagerService.java, there is possible access to external storage due to a permissions bypass. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11Android ID: A-171430330
The weakness was presented 07/15/2021 as A-171430330. The advisory is shared for download at source.android.com. This vulnerability was named CVE-2021-0486 since 11/06/2020. The exploitation appears to be easy. The attack needs to be approached locally. The requirement for exploitation is a single authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 07/18/2021). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1222.
Applying a patch is able to eliminate this problem.
VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔒
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
NVD Base Score: 🔒
Class: Privilege escalation
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Patch
0-Day Time: 🔒
11/06/2020 CVE assigned
07/15/2021 +250 days Advisory disclosed
07/15/2021 +0 days VulDB entry created
07/18/2021 +3 days VulDB last updateVendor: https://www.google.com/
CVE: CVE-2021-0486 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20150917
Created: 07/15/2021 11:23
Updated: 07/18/2021 21:54
Changes: (18) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore vulnerability_cvss2_nvd_basescore vulnerability_cvss3_nvd_basescore
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