Vulnerability Description
In this physical attack, an attacker may potentially exploit the Zynq-7000 SoC First Stage Boot Loader (FSBL) by bypassing authentication and loading a malicious image onto the device. This in turn may further allow the attacker to perform additional attacks such as such as using the device as a decryption oracle. An anticipated mitigation via a 2022.1 patch will resolve the issue.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xilinx | Zynq-7000S Firmware | < 2022.1 |
| Xilinx | Zynq-7000S | - |
| Xilinx | Zynq-7000 Firmware | < 2022.1 |
| Xilinx | Zynq-7000 | - |
Related Weaknesses (CWE)
References
- https://github.com/Xilinx/embeddedsw/tree/master/lib/sw_apps/zynq_fsblThird Party Advisory
- https://support.xilinx.com/s/article/76974Vendor Advisory
- https://github.com/Xilinx/embeddedsw/tree/master/lib/sw_apps/zynq_fsblThird Party Advisory
- https://support.xilinx.com/s/article/76974Vendor Advisory
FAQ
What is CVE-2022-23822?
CVE-2022-23822 is a vulnerability with a CVSS score of 6.8 (MEDIUM). In this physical attack, an attacker may potentially exploit the Zynq-7000 SoC First Stage Boot Loader (FSBL) by bypassing authentication and loading a malicious image onto the device. This in turn ma...
How severe is CVE-2022-23822?
CVE-2022-23822 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-23822?
Check the references section above for vendor advisories and patch information. Affected products include: Xilinx Zynq-7000S Firmware, Xilinx Zynq-7000S, Xilinx Zynq-7000 Firmware, Xilinx Zynq-7000.