Samsung mTower up to 0.3.0 TEE_MACCompareFinal null pointer dereference
![Samsung](/logos/samsung.jpg)
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.6 | $0-$5k | 0.00 |
A vulnerability was found in Samsung mTower up to 0.3.0. It has been declared as problematic. Affected by this vulnerability is the function TEE_MACCompareFinal
. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:
A NULL pointer dereference issue in the TEE_MACCompareFinal function in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_MACCompareFinal with a NULL pointer for the parameter operation.
The weakness was released 09/17/2022 as 80. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2022-40759 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.
Entries connected to this vulnerability are available at VDB-207739, VDB-207740, VDB-207850 and VDB-207851.
Product
Vendor
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.6VulDB Meta Temp Score: 6.6
VulDB Base Score: 5.7
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
09/16/2022 🔍09/17/2022 🔍
09/17/2022 🔍
10/20/2022 🔍
Sources
Vendor: samsung.comAdvisory: 80
Status: Confirmed
CVE: CVE-2022-40759 (🔍)
See also: 🔍
Entry
Created: 09/17/2022 09:11Updated: 10/20/2022 08:03
Changes: 09/17/2022 09:11 (39), 10/20/2022 08:03 (11)
Complete: 🔍
Cache ID: 18:373:103
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