CVE-2022-22819 — HIGH (7.8)

Vulnerability Description

NXP LPC55S66JBD64, LPC55S66JBD100, LPC55S66JEV98, LPC55S69JBD64, LPC55S69JBD100, and LPC55S69JEV98 microcontrollers (ROM version 1B) have a buffer overflow in parsing SB2 updates before the signature is verified. This can allow an attacker to achieve non-persistent code execution via a crafted unsigned update.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Nxp	Lpc55S66Jbd64 Firmware	-
Nxp	Lpc55S66Jbd64	-
Nxp	Lpc55S66Jbd100 Firmware	-
Nxp	Lpc55S66Jbd100	-
Nxp	Lpc55S66Jev98 Firmware	-
Nxp	Lpc55S66Jev98	-
Nxp	Lpc55S69Jbd64 Firmware	-
Nxp	Lpc55S69Jbd64	-
Nxp	Lpc55S69Jbd100 Firmware	-
Nxp	Lpc55S69Jbd100	-
Nxp	Lpc55S69Jev98 Firmware	-
Nxp	Lpc55S69Jev98	-

Related Weaknesses (CWE)

CWE-120

References

https://oxide.computer/blog/another-vulnerability-in-the-lpc55s69-romExploitThird Party Advisory
https://www.nxp.comVendor Advisory
https://oxide.computer/blog/another-vulnerability-in-the-lpc55s69-romExploitThird Party Advisory
https://www.nxp.comVendor Advisory

FAQ

What is CVE-2022-22819?

CVE-2022-22819 is a vulnerability with a CVSS score of 7.8 (HIGH). NXP LPC55S66JBD64, LPC55S66JBD100, LPC55S66JEV98, LPC55S69JBD64, LPC55S69JBD100, and LPC55S69JEV98 microcontrollers (ROM version 1B) have a buffer overflow in parsing SB2 updates before the signature ...

How severe is CVE-2022-22819?

CVE-2022-22819 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-22819?

Check the references section above for vendor advisories and patch information. Affected products include: Nxp Lpc55S66Jbd64 Firmware, Nxp Lpc55S66Jbd64, Nxp Lpc55S66Jbd100 Firmware, Nxp Lpc55S66Jbd100, Nxp Lpc55S66Jev98 Firmware.