Google Android 11.0/12.0 Parcel.cpp ipcSetDataReference use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Android 11.0/12.0. It has been classified as critical. Affected by this vulnerability is the function ipcSetDataReference of the file Parcel.cpp. This manipulation causes use after free. This vulnerability is handled as CVE-2021-39620. It is possible to launch the attack on the local host. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical was found in Google Android 11.0/12.0 (Smartphone Operating System). Affected by this vulnerability is the function ipcSetDataReference of the file Parcel.cpp. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 01/15/2022 as A-203847542. It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2021-39620 since 08/23/2021. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/15/2022). 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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

08/23/2021 🔍
01/15/2022 +145 days 🔍
01/15/2022 +0 days 🔍
01/19/2022 +4 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-203847542
Status: Confirmed

CVE: CVE-2021-39620 (🔍)
GCVE (CVE): GCVE-0-2021-39620
GCVE (VulDB): GCVE-100-190531
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 01/15/2022 07:44
Updated: 01/19/2022 10:54
Changes: 01/15/2022 07:44 (58), 01/19/2022 10:54 (1)
Complete: 🔍
Cache ID: 216::103

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