Samsung Smart Phone NFC Driver set_nft_pid/signal_handler use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Samsung Smart Phone and classified as critical. The impacted element is the function set_nft_pid/signal_handler of the component NFC Driver. This manipulation causes use after free.
This vulnerability appears as CVE-2022-39847. The attack requires local access. There is no available exploit.
The affected component should be upgraded.
Details
A vulnerability was found in Samsung Smart Phone (Smartphone Operating System) (the affected version unknown). It has been declared as critical. Affected by this vulnerability is the function set_nft_pid/signal_handler of the component NFC Driver. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Use after free vulnerability in set_nft_pid and signal_handler function of NFC driver prior to SMR Oct-2022 Release 1 allows attackers to perform malicious actions.
The weakness was presented 10/07/2022. It is possible to read the advisory at security.samsungmobile.com. This vulnerability is known as CVE-2022-39847 since 09/05/2022. Technical details of the vulnerability are known, but there is no available exploit.
Upgrading eliminates this vulnerability.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.samsung.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.9VulDB Meta Temp Score: 4.8
VulDB Base Score: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
CNA Base Score: 4.9
CNA Vector (Samsung Mobile): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / 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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
09/05/2022 🔍10/07/2022 🔍
10/07/2022 🔍
10/31/2022 🔍
Sources
Vendor: samsung.comAdvisory: security.samsungmobile.com
Status: Confirmed
CVE: CVE-2022-39847 (🔍)
GCVE (CVE): GCVE-0-2022-39847
GCVE (VulDB): GCVE-100-210283
Entry
Created: 10/07/2022 21:29Updated: 10/31/2022 08:36
Changes: 10/07/2022 21:29 (50), 10/31/2022 08:36 (11)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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