CVE-2022-28736
"GRUB2 Chainloader Use-After-Free Vulnerability"
Description
There's a use-after-free vulnerability in grub_cmd_chainloader() function; The chainloader command is used to boot up operating systems that doesn't support multiboot and do not have direct support from GRUB2. When executing chainloader more than once a use-after-free vulnerability is triggered. If an attacker can control the GRUB2's memory allocation pattern sensitive data may be exposed and arbitrary code execution can be achieved.
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-2022-28736 has a 17 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-2022-28736.
| URL | Resource |
|---|---|
| https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736 | 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).
shim-review but not forked to be able to use LFS
Dockerfile Shell
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Dockerfile
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Dockerfile Makefile
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Dockerfile Shell
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Dockerfile
Repository for all information needed for shim-review
Dockerfile
shim-review for Navix
Dockerfile
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Dockerfile Makefile
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Dockerfile
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UEFI shim review submission
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Dockerfile
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-28736 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-28736 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-2022-28736 No Types Assigned https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736 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 CWE-416 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-2022-28736 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-2022-28736
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
0.07856
percentile