VulnerabilityModified
CVE-2022-34401
Dell BIOS contains a stack based buffer overflow vulnerability.
HIGH 7.5EPSS 0.17%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Dell BIOS contains a stack based buffer overflow vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to send larger than expected input to a parameter in order to gain arbitrary code execution in SMRAM.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.17% probability · 6th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-121, CWE-787
- Affected
- dell/alienware m15 a6 firmware · dell/alienware m17 r5 firmware · dell/g15 5525 firmware
- Source
- security_alert@emc.com
References
- https://www.dell.com/support/kbdoc/000204679Vendor Advisory
- https://www.dell.com/support/kbdoc/000204679Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.