Vulnerability · Published Feb 1, 2023 · Assigned by dell

CVE-2022-34403

High 7.5

In plain English

A high-severity stack buffer overflow in CPG BIOS from Dell. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.2%top 94.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Dell BIOS contains a Stack based buffer overflow vulnerability. A local authenticated attacker could potentially exploit this vulnerability by using an SMI to send larger than expected input to a parameter to gain arbitrary code execution in SMRAM.

Affected products (as reported)

Vendor	Product	Versions
Dell	CPG BIOS	0 – through 2.15.2

Weakness: CWE-121 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

References

https://www.dell.com/support/kbdoc/000205716 vendor-advisory