Samsung mTower 0.3.0 TEE_PopulateTransientObject/__utee_from_attr attrCount buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

A vulnerability was found in Samsung mTower 0.3.0. It has been declared as critical. This vulnerability affects the function TEE_PopulateTransientObject/__utee_from_attr. The manipulation of the argument attrCount 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 confidentiality, integrity, and availability. CVE summarizes:

The TEE_PopulateTransientObject and __utee_from_attr functions in Samsung mTower 0.3.0 allow a trusted application to trigger a memory overwrite, denial of service, and information disclosure by invoking the function TEE_PopulateTransientObject with a large number in the parameter attrCount.

The weakness was presented 08/05/2022 as 71. The advisory is shared for download at github.com. This vulnerability was named CVE-2022-35858 since 07/13/2022. There are known technical details, but no exploit is available.

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

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/13/2022 🔍
08/05/2022 +23 days 🔍
08/05/2022 +0 days 🔍
08/05/2022 +0 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: 71
Status: Confirmed

CVE: CVE-2022-35858 (🔍)

Entryinfo

Created: 08/05/2022 08:53 AM
Changes: 08/05/2022 08:53 AM (40)
Complete: 🔍
Cache ID: 18:C1F:40

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