Improper SMM Communication Buffer Verification in Dell PowerEdge and Precision BIOS
CVE-2022-34423

7.5HIGH

Key Information:

Vendor

Dell
Status
Poweredge Platform
Vendor
CVE Published:
16 March 2023

What is CVE-2022-34423?

Dell PowerEdge BIOS and Dell Precision BIOS have a vulnerability related to improper verification of the SMM communication buffer. This flaw can be exploited by a local attacker with elevated privileges to execute arbitrary code or potentially trigger a denial of service on affected systems. Proper handling and validation of SMM communications are essential to mitigate this risk.

Affected Version(s)

PowerEdge Platform 14G,15G

References

https://www.dell.com/support/kbdoc/en-us/000206296/dsa-20...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.