Google Android PowerVR Kernel Driver PVRSRVBridgeRGXKickRS integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$5k-$25k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Google Android. Impacted is the function PVRSRVBridgeRGXKickRS of the component PowerVR Kernel Driver. Performing a manipulation results in integer overflow. This vulnerability is cataloged as CVE-2021-0873. The attack must be initiated from a local position. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (version now known). It has been classified as problematic. This affects the function PVRSRVBridgeRGXKickRS of the component PowerVR Kernel Driver. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In PVRSRVBridgeRGXKickRS of the PowerVR kernel driver, a missing size check means there is a possible integer overflow that could allow out-of-bounds heap access. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-270392711

The weakness was shared 04/20/2023 as A-270392711. The advisory is shared at source.android.com. This vulnerability is uniquely identified as CVE-2021-0873 since 11/06/2020. 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 05/14/2023). 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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Productinfo

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Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/06/2020 🔍
04/20/2023 +894 days 🔍
04/20/2023 +0 days 🔍
05/14/2023 +24 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-270392711
Status: Confirmed

CVE: CVE-2021-0873 (🔍)
GCVE (CVE): GCVE-0-2021-0873
GCVE (VulDB): GCVE-100-226869
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 04/20/2023 07:37
Updated: 05/14/2023 10:04
Changes: 04/20/2023 07:37 (41), 05/14/2023 10:04 (11)
Complete: 🔍
Cache ID: 216::103

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