Google Android igmp.c ip_check_mc_rcu 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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5.1$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Android and classified as critical. This affects the function ip_check_mc_rcu of the file igmp.c. Such manipulation leads to use after free. This vulnerability is traded as CVE-2022-20141. An attack has to be approached locally. There is no exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (the affected version is unknown). It has been rated as critical. Affected by this issue is the function ip_check_mc_rcu of the file igmp.c. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-112551163References: Upstream kernel

The weakness was shared 06/15/2022 as A-112551163. The advisory is available at source.android.com. This vulnerability is handled as CVE-2022-20141 since 10/14/2021. 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 06/15/2022). 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.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CVSSv2info

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

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

10/14/2021 🔍
06/15/2022 +244 days 🔍
06/15/2022 +0 days 🔍
06/15/2022 +0 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-112551163
Status: Confirmed

CVE: CVE-2022-20141 (🔍)
GCVE (CVE): GCVE-0-2022-20141
GCVE (VulDB): GCVE-100-202094
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 06/15/2022 19:22
Changes: 06/15/2022 19:22 (42)
Complete: 🔍
Cache ID: 216::103

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