Buffer overflow in Precision BIOS and PowerEdge Server BIOS - CVE-2022-34421
Published: August 11, 2023
Vulnerability identifier: #VU79432
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-34421
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local privileged user to execute arbitrary code on the target system.
The vulnerability exists due to Improper SMM communication buffer verification. A local privileged user can send a specially crafted data, trigger memory corruption and execute arbitrary code on the target system.
Affected software
Precision BIOS
PowerEdge Server BIOS
Avamar Data Store Gen5A
PowerFlex rack
EMC Integrated Data Protection Appliance
Precision 7910 Rack
Precision 7920 Rack
PowerScale OneFS
PowerEdge Server BIOS
Avamar Data Store Gen5A
PowerFlex rack
EMC Integrated Data Protection Appliance
Precision 7910 Rack
Precision 7920 Rack
PowerScale OneFS
How to mitigate CVE-2022-34421
Install updates from vendor's website.
Precision 7910 Rack - update to 2.16.0
Precision 7920 Rack - update to 2.16.2
PowerFlex rack - update to 3.6.3.2
PowerScale OneFS - update to 11.7
Precision 7920 Rack - update to 2.16.2
PowerFlex rack - update to 3.6.3.2
PowerScale OneFS - update to 11.7
External References
Related Security Bulletins
- Multiple vulnerabilities in Dell Precision BIOS and Dell PowerEdge BIOS
- Multiple vulnerabilities in Dell Precision 7910 and 7920 Rack
- Multiple vulnerabilities in Dell Avamar Data Store Gen5A
- Multiple vulnerabilities in Dell PowerScale OneFS
- Multiple vulnetabilities in Dell EMC Integrated Data Protection Appliance
- Multiple vulnerabilities in Dell PowerFlex Rack