6.8
MEDIUM
CVE-2022-23822
Apache Xilinx Zynq-7000 SoC FSBL Authentication Bypass 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.

INFO

Published Date :

April 27, 2022, 5:15 p.m.

Last Modified :

Nov. 21, 2024, 6:49 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.9
Affected Products

The following products are affected by CVE-2022-23822 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Xilinx zynq-7000s_firmware
2 Xilinx zynq-7000_firmware
3 Xilinx zynq-7000s
4 Xilinx zynq-7000
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-23822.

URL Resource
https://github.com/Xilinx/embeddedsw/tree/master/lib/sw_apps/zynq_fsbl Third Party Advisory
https://support.xilinx.com/s/article/76974 Vendor Advisory
https://github.com/Xilinx/embeddedsw/tree/master/lib/sw_apps/zynq_fsbl Third Party Advisory
https://support.xilinx.com/s/article/76974 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-23822 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-23822 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/Xilinx/embeddedsw/tree/master/lib/sw_apps/zynq_fsbl
    Added Reference https://support.xilinx.com/s/article/76974
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    May. 09, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/Xilinx/embeddedsw/tree/master/lib/sw_apps/zynq_fsbl No Types Assigned https://github.com/Xilinx/embeddedsw/tree/master/lib/sw_apps/zynq_fsbl Third Party Advisory
    Changed Reference Type https://support.xilinx.com/s/article/76974 No Types Assigned https://support.xilinx.com/s/article/76974 Vendor Advisory
    Added CWE NIST CWE-863
    Added CPE Configuration AND OR *cpe:2.3:o:xilinx:zynq-7000s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2022.1 OR cpe:2.3:h:xilinx:zynq-7000s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:xilinx:zynq-7000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2022.1 OR cpe:2.3:h:xilinx:zynq-7000:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-23822 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-23822 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} 0.00%

score

0.28450

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability