Google Android TEE smc_booting.S mon_smc_load_sp information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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2.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Android. It has been declared as problematic. The affected element is the function mon_smc_load_sp of the file gs101-sc/plat/samsung/exynos/soc/exynos9845/smc_booting.S of the component TEE. Such manipulation leads to information disclosure. This vulnerability is listed as CVE-2021-39647. The attack must be carried out locally. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (version now known) and classified as problematic. Affected by this issue is the function mon_smc_load_sp of the file gs101-sc/plat/samsung/exynos/soc/exynos9845/smc_booting.S of the component TEE. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.

The weakness was presented 12/16/2021 as A-198713939. The advisory is shared for download at source.android.com. This vulnerability is handled as CVE-2021-39647 since 08/23/2021. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

Applying a patch is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

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: 2.3
VulDB Meta Temp Score: 2.2

VulDB Base Score: 2.3
VulDB Temp Score: 2.2
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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 🔍
12/16/2021 +115 days 🔍
12/16/2021 +0 days 🔍
12/18/2021 +2 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-198713939
Status: Confirmed

CVE: CVE-2021-39647 (🔍)
GCVE (CVE): GCVE-0-2021-39647
GCVE (VulDB): GCVE-100-188348
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 12/16/2021 08:07
Updated: 12/18/2021 12:33
Changes: 12/16/2021 08:07 (42), 12/18/2021 12:33 (1)
Complete: 🔍
Cache ID: 216::103

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