Google Android 12.0 NFC Stack llcp_dlc.cc llcp_dlc_proc_connect_pdu out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in Google Android 12.0 and classified as problematic. This issue affects the function llcp_dlc_proc_connect_pdu of the file llcp_dlc.cc of the component NFC Stack. Performing a manipulation results in out-of-bounds. This vulnerability is reported as CVE-2022-20198. The attack requires a local approach. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Google Android 12.0 (Smartphone Operating System). This affects the function llcp_dlc_proc_connect_pdu of the file llcp_dlc.cc of the component NFC Stack. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In llcp_dlc_proc_connect_pdu of llcp_dlc.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure from the NFC stack with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-221851879

The weakness was disclosed 06/15/2022 as A-221851879. It is possible to read the advisory at source.android.com. This vulnerability is uniquely identified as CVE-2022-20198 since 10/14/2021. Technical details of the vulnerability are known, but there is no available exploit.

Applying a patch is able to eliminate this problem.

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Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
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: Out-of-bounds
CWE: CWE-125 / 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-221851879
Status: Confirmed

CVE: CVE-2022-20198 (🔍)
GCVE (CVE): GCVE-0-2022-20198
GCVE (VulDB): GCVE-100-202107
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 06/15/2022 19:28
Changes: 06/15/2022 19:28 (44)
Complete: 🔍
Cache ID: 216::103

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