Intel Core Ultra Processor sequence of processor instructions leads to unexpected behavior

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.7 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Intel Core Ultra Processor and classified as problematic. This vulnerability affects unknown code. Such manipulation leads to sequence of processor instructions leads to unexpected behavior. This vulnerability is traded as CVE-2023-46103. An attack has to be approached locally. There is no exploit available.
Details
A vulnerability, which was classified as problematic, has been found in Intel Core Ultra Processor (the affected version is unknown). Affected by this issue is an unknown code. The manipulation with an unknown input leads to a sequence of processor instructions leads to unexpected behavior vulnerability. Using CWE to declare the problem leads to CWE-1281. Specific combinations of processor instructions lead to undesirable behavior such as locking the processor until a hard reset performed. Impacted is availability. CVE summarizes:
Sequence of processor instructions leads to unexpected behavior in Intel(R) Core(TM) Ultra Processors may allow an authenticated user to potentially enable denial of service via local access.
The advisory is available at intel.com. This vulnerability is handled as CVE-2023-46103 since 11/03/2023. The exploitation is known to be difficult. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.
The vulnerability scanner Nessus provides a plugin with the ID 211574 (Oracle Linux 9 : microcode_ctl (ELSA-2024-9401)), which helps to determine the existence of the flaw in a target environment.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at Tenable (211574). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
License
Website
- Vendor: https://www.intel.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.7VulDB Meta Temp Score: 4.7
VulDB Base Score: 4.7
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 4.7
CNA Vector (Intel Corporation): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Sequence of processor instructions leads to unexpected behaviorCWE: CWE-1281
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 211574
Nessus Name: Oracle Linux 9 : microcode_ctl (ELSA-2024-9401)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
11/03/2023 🔍05/17/2024 🔍
05/17/2024 🔍
11/19/2024 🔍
Sources
Vendor: intel.comAdvisory: intel-sa-01052
Status: Confirmed
CVE: CVE-2023-46103 (🔍)
GCVE (CVE): GCVE-0-2023-46103
GCVE (VulDB): GCVE-100-264674
Entry
Created: 05/17/2024 06:40Updated: 11/19/2024 12:27
Changes: 05/17/2024 06:40 (60), 11/19/2024 12:27 (3)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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