Google Android PVRSRVBridgeTLDiscoverStreams puiStreamsInt uninitialized pointer

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Google Android. This affects the function PVRSRVBridgeTLDiscoverStreams. Such manipulation of the argument puiStreamsInt leads to uninitialized pointer. This vulnerability is referenced as CVE-2021-0947. No exploit is available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Google Android (Smartphone Operating System) (affected version unknown). Affected by this issue is the function PVRSRVBridgeTLDiscoverStreams. The manipulation of the argument puiStreamsInt with an unknown input leads to a uninitialized pointer vulnerability. Using CWE to declare the problem leads to CWE-824. The product accesses or uses a pointer that has not been initialized. Impacted is confidentiality. CVE summarizes:

The method PVRSRVBridgeTLDiscoverStreams allocates puiStreamsInt on the heap, fills the contents of the buffer via TLServerDiscoverStreamsKM, and then copies the buffer to userspace. The method TLServerDiscoverStreamsKM may fail for several reasons including invalid sizes. If this method fails the buffer will be left uninitialized and despite the error will still be copied to userspace. Kernel leak of uninitialized heap data with no privs required.Product: AndroidVersions: Android SoCAndroid ID: A-236838960

The weakness was published 08/25/2022 as A-236838960. The advisory is available at source.android.com. This vulnerability is handled as CVE-2021-0947 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 $0-$5k at the moment (estimation calculated on 09/25/2022). 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

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Uninitialized pointer
CWE: CWE-824 / CWE-908
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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 🔍
08/25/2022 +656 days 🔍
08/25/2022 +0 days 🔍
09/25/2022 +31 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-236838960
Status: Confirmed

CVE: CVE-2021-0947 (🔍)
GCVE (CVE): GCVE-0-2021-0947
GCVE (VulDB): GCVE-100-207110
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 08/25/2022 08:15
Updated: 09/25/2022 14:14
Changes: 08/25/2022 08:15 (41), 09/25/2022 14:14 (11)
Complete: 🔍
Cache ID: 216::103

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