Dell PowerEdge 14G Server BIOS/Precision BIOS System Management Mode out-of-bounds write

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Dell PowerEdge 14G Server BIOS and Precision BIOS. Impacted is an unknown function of the component System Management Mode. Such manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2023-25537. Local access is required to approach this attack. No exploit exists. The affected component should be upgraded.
Details
A vulnerability was found in Dell PowerEdge 14G Server BIOS and Precision BIOS (the affected version unknown). It has been rated as critical. Affected by this issue is an unknown part of the component System Management Mode. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:
Dell PowerEdge 14G server BIOS versions prior to 2.18.1 and Dell Precision BIOS versions prior to 2.18.2, contain an Out of Bounds write vulnerability. A local attacker with low privileges could potentially exploit this vulnerability leading to exposure of some SMRAM stack/data/code in System Management Mode, leading to arbitrary code execution or escalation of privilege.
The weakness was disclosed 05/22/2023 as dsa-2023-098. The advisory is shared for download at dell.com. This vulnerability is handled as CVE-2023-25537 since 02/07/2023. There are neither technical details nor an exploit publicly available.
Upgrading eliminates this vulnerability.
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Product
Vendor
Name
License
Website
- Vendor: https://www.dell.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CNA Base Score: 6.1
CNA Vector (Dell): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / 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
02/07/2023 🔍05/22/2023 🔍
05/22/2023 🔍
06/15/2023 🔍
Sources
Vendor: dell.comAdvisory: dsa-2023-098
Status: Confirmed
CVE: CVE-2023-25537 (🔍)
GCVE (CVE): GCVE-0-2023-25537
GCVE (VulDB): GCVE-100-229652
Entry
Created: 05/22/2023 13:56Updated: 06/15/2023 19:56
Changes: 05/22/2023 13:56 (49), 06/15/2023 19:56 (11)
Complete: 🔍
Cache ID: 216::103
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