Samsung mTower up to 0.3.0 TEE_MACComputeFinal messageLen buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Samsung mTower up to 0.3.0. This impacts the function TEE_MACComputeFinal. This manipulation of the argument messageLen causes buffer overflow. This vulnerability is tracked as CVE-2022-40757. No exploit exists.

Detailsinfo

A vulnerability was found in Samsung mTower up to 0.3.0. It has been declared as critical. Affected by this vulnerability is the function TEE_MACComputeFinal. The manipulation of the argument messageLen with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect integrity, and availability. The summary by CVE is:

A Buffer Access with Incorrect Length Value vulnerablity in the TEE_MACComputeFinal function in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_MACComputeFinal with an excessive size value of messageLen.

The weakness was disclosed 09/17/2022 as 81. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2022-40757 since 09/16/2022. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 4.6
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/16/2022 🔍
09/17/2022 +1 days 🔍
09/17/2022 +0 days 🔍
10/20/2022 +33 days 🔍

Sourcesinfo

Vendor: samsung.com
Product: github.com

Advisory: 81
Status: Confirmed

CVE: CVE-2022-40757 (🔍)
GCVE (CVE): GCVE-0-2022-40757
GCVE (VulDB): GCVE-100-208987

Entryinfo

Created: 09/17/2022 11:07
Updated: 10/20/2022 09:20
Changes: 09/17/2022 11:07 (40), 10/20/2022 09:20 (11)
Complete: 🔍
Cache ID: 216::103

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