CVE-2022-28735
Intel Shim GRUB2 Secure Boot File Loading Vulnerability
Description
The GRUB2's shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules to be loaded in GRUB2 breaking the secure boot trust-chain.
INFO
Published Date :
July 20, 2023, 1:15 a.m.
Last Modified :
Aug. 25, 2023, 11:15 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2022-28735 has a 16 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2022-28735.
| URL | Resource |
|---|---|
| https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20230825-0002/ | |
| https://www.openwall.com/lists/oss-security/2022/06/07/5 | Mailing List Third Party 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).
None
Dockerfile
None
Dockerfile Makefile
None
Dockerfile
None
None
Dockerfile Shell
None
Dockerfile
Repository for all information needed for shim-review
Dockerfile
shim-review for Navix
Dockerfile
None
None
Dockerfile Makefile
None
Dockerfile
None
Dockerfile
UEFI shim review submission
None
Dockerfile
Reviews of shim
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-28735 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-28735 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 [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Aug. 25, 2023
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20230825-0002/ [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 28, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735 No Types Assigned https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735 Third Party Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2022/06/07/5 No Types Assigned https://www.openwall.com/lists/oss-security/2022/06/07/5 Mailing List, Third Party Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:* versions from (including) 2.00 up to (excluding) 2.06-3
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-28735 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-2022-28735
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} -0.00%
score
0.05686
percentile