Google Android DevmemtHeapAcquire 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 critical was found in Google Android. This affects the function DevmemtHeapAcquire. The manipulation results in integer overflow. This vulnerability is known as CVE-2021-0951. Attacking locally is a requirement. No exploit is available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Android (Smartphone Operating System) (version unknown). Affected is the function DevmemtHeapAcquire. 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. CVE summarizes:

In DevmemIntHeapAcquire of TBD, there is a possible arbitrary code execution due to an integer overflow. 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-242345085

The weakness was published 10/12/2022 as A-242345085. The advisory is available at source.android.com. This vulnerability is traded as CVE-2021-0951 since 11/06/2020. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 12/07/2022). 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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Vendor

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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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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 🔍
10/12/2022 +704 days 🔍
10/12/2022 +0 days 🔍
12/07/2022 +56 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-242345085
Status: Confirmed

CVE: CVE-2021-0951 (🔍)
GCVE (CVE): GCVE-0-2021-0951
GCVE (VulDB): GCVE-100-210630
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 10/12/2022 09:56
Updated: 12/07/2022 15:02
Replaces Duplicates: 🔍
Changes: 10/12/2022 09:56 (41), 11/06/2022 14:36 (11), 12/07/2022 15:02 (2)
Complete: 🔍
Cache ID: 216::103

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