CVE-2022-22819 Memory corruption in n/a
Attackers can achieve non-persistent code execution on NXP LPC55xx microcontrollers via a buffer overflow in unsigned SB2 update parsing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-22819?
CVE-2022-22819 is a high-severity memory corruption vulnerability in n/a, published on 23 Mar 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-120
Which versions are affected by CVE-2022-22819?
It affects 6 products.
Products include Nxp Lpc55s66jbd100 Firmware, Nxp Lpc55s66jbd64 Firmware, Nxp Lpc55s66jev98 Firmware, Nxp Lpc55s69jbd100 Firmware, Nxp Lpc55s69jbd64 Firmware, Nxp Lpc55s69jev98 Firmware.
How do I fix CVE-2022-22819?
No fix has been published for CVE-2022-22819 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-22819 being exploited?
There is no known exploitation of CVE-2022-22819 in the wild and no public exploit code.
Sources
Also known as GHSA-h4j8-qr6m-rv76.