High severity · published Feb 1, 2023
CVE-2022-34400
Dell BIOS contains a heap buffer overflow vulnerability
7.1
CVSS
0.2%
EPSS
No
On KEV
Description
Dell BIOS contains a heap buffer overflow vulnerability. A local attacker with admin privileges could potentially exploit this vulnerability to perform an arbitrary write to SMRAM during SMM.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AM
Alienware M15 R6 Firmware · Dell
before 1.17.0 · source: NVD
AM
Alienware M15 R7 Firmware · Dell
before 1.4.3 · source: NVD
AM
Alienware M15 Ryzen Edition R5 Firmware · Dell
before 1.8.0 · source: NVD
AM
Alienware M17 R5 Amd Firmware · Dell
before 1.4.3 · source: NVD
G5
G15 5510 Firmware · Dell
before 1.16.0 · source: NVD
G5
G15 5511 Firmware · Dell
before 1.18.0 · source: NVD
G5
G15 5515 Firmware · Dell
before 1.8.0 · source: NVD
G5
G15 5525 Firmware · Dell
before 1.4.3 · source: NVD
GS
G5 SE 5505 Firmware · Dell
before 1.13.0 · source: NVD
I1
Inspiron 14 5410 2-in-1 Firmware · Dell
before 2.15.2 · source: NVD
I1
Inspiron 15 3511 Firmware · Dell
before 1.18.2 · source: NVD
I3
Inspiron 3195 2-in-1 Firmware · Dell
before 1.6.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-34400
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-34400
Vendor Advisory
https://www.dell.com/support/kbdoc/en-us/000205716/dsa-2022-327
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