Google Android 11.0 MediaCodec.cpp BinderDiedCallback use after free

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$5k-$25k0.00

A vulnerability, which was classified as critical, was found in Google Android 11.0 (Smartphone Operating System). This affects the function BinderDiedCallback of the file MediaCodec.cpp. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-416. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In BinderDiedCallback of MediaCodec.cpp, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-173791720

The weakness was disclosed 06/12/2021 as A-173791720. The advisory is shared at source.android.com. This vulnerability is uniquely identified as CVE-2021-0482 since 11/06/2020. The exploitability is told to be easy. An attack has to be approached locally. A authentication is required for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/14/2021). It is expected to see the exploit prices for this product increasing in the near future.

Applying a patch is able to eliminate this problem.

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VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-416
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

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Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: source.android.com

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11/06/2020 CVE assigned
06/12/2021 +217 days Advisory disclosed
06/12/2021 +0 days VulDB entry created
06/14/2021 +2 days VulDB last update

Sourcesinfoedit

Vendor: https://www.google.com/

Advisory: A-173791720
Status: Confirmed

CVE: CVE-2021-0482 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfoedit

Created: 06/12/2021 11:13 AM
Updated: 06/14/2021 06:47 PM
Changes: (5) source_cve_assigned source_cve_nvd_summary vulnerability_cvss2_vuldb_tempscore vulnerability_cvss3_vuldb_tempscore vulnerability_cvss3_meta_tempscore
Complete: 🔍

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