Intel Xeon/Microcode different mirrored regions with different values

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in Intel Xeon and Microcode. This impacts an unknown function. Executing a manipulation of the argument different can lead to mirrored regions with different values. The identification of this vulnerability is CVE-2024-25939. The attack can only be executed locally. There is no exploit available.
Details
A vulnerability was found in Intel Xeon and Microcode (version unknown). It has been declared as problematic. This vulnerability affects an unknown function. The manipulation of the argument different with an unknown input leads to a mirrored regions with different values vulnerability. The CWE definition for the vulnerability is CWE-1251. The product's architecture mirrors regions without ensuring that their contents always stay in sync. As an impact it is known to affect availability. CVE summarizes:
Mirrored regions with different values in 3rd Generation Intel(R) Xeon(R) Scalable Processors may allow a privileged user to potentially enable denial of service via local access.
The advisory is shared for download at intel.com. This vulnerability was named CVE-2024-25939 since 03/13/2024. The exploitation appears to be easy. The attack needs to be approached locally. Additional levels of successful authentication are needed for exploitation. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 207917 (CentOS 9 : microcode_ctl-20240910-1.el9), 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 (207917). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.intel.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍
CVSSv3
VulDB Meta Base Score: 5.2VulDB Meta Temp Score: 5.2
VulDB Base Score: 4.4
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 6.0
CNA Vector (intel): 🔍
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: Mirrored regions with different valuesCWE: CWE-1251
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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 207917
Nessus Name: CentOS 9 : microcode_ctl-20240910-1.el9
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
03/13/2024 🔍08/14/2024 🔍
08/14/2024 🔍
12/21/2024 🔍
Sources
Vendor: intel.comAdvisory: intel-sa-01118
Status: Confirmed
CVE: CVE-2024-25939 (🔍)
GCVE (CVE): GCVE-0-2024-25939
GCVE (VulDB): GCVE-100-274624
Entry
Created: 08/14/2024 17:04Updated: 12/21/2024 17:38
Changes: 08/14/2024 17:04 (74), 10/01/2024 00:10 (2), 12/21/2024 17:38 (2)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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