CVE-2022-2601
Grub Secure Boot Buffer Overflow
Description
A buffer overflow was found in grub_font_construct_glyph(). A malicious crafted pf2 font can lead to an overflow when calculating the max_glyph_size value, allocating a smaller than needed buffer for the glyph, this further leads to a buffer overflow and a heap based out-of-bounds write. An attacker may use this vulnerability to circumvent the secure boot mechanism.
INFO
Published Date :
Dec. 14, 2022, 9:15 p.m.
Last Modified :
Nov. 25, 2023, 12:15 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
6.0
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2022-2601 has a 16 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2022-2601
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.
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-2022-2601.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2112975#c0 | Issue Tracking Third Party Advisory |
| https://security.gentoo.org/glsa/202311-14 | |
| https://security.netapp.com/advisory/ntap-20230203-0004/ |
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
Wazuh vulnerability report maker
Python
shim-review for Navix
Dockerfile
A centralized repository of standalone security patches for open source libraries.
appsec backport cve devsecops fix hotfix open-source patch protection remediation seal security update upgrade vulnerability
None
None
Dockerfile Makefile
None
Dockerfile
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-2022-2601 vulnerability anywhere in the article.
-
BleepingComputer
Microsoft shares temp fix for Linux boot issues on dual-boot systems
Microsoft has provided a workaround to temporarily fix a known issue that is blocking Linux from booting on dual-boot systems with Secure Boot enabled. The company says this temporary fix can help Li ... Read more
-
BleepingComputer
Microsoft confirms August updates break Linux boot in dual-boot systems
Microsoft has confirmed the August 2024 Windows security updates are causing Linux booting issues on dual-boot systems with Secure Boot enabled. The issue is caused by a Secure Boot Advanced Targeting ... Read more
-
The Register
Microsoft's Patch Tuesday borks dual-boot Linux-Windows PCs
Microsoft says it's investigating issues with a patch intended to plug a two-year-old flaw in the GRUB open source boot loader that is crashing some dual-boot computers running both Windows and Linux. ... Read more
-
Ars Technica
“Something has gone seriously wrong,” dual-boot systems warn after Microsoft update
HELLO, MICROSOFT? YOU THERE? — Microsoft said its update wouldn't install on Linux devices. It did anyway. Getty Images Last Tuesday, loads of Linux users—many running packages released as early as ... Read more
-
BleepingComputer
August Windows updates break dual boot on some Linux systems
According to user reports following this month's Patch Tuesday, the August 2024 Windows security updates are breaking dual boot on some Linux systems with Secure Boot enabled. This issue is caused by ... Read more
-
BleepingComputer
August Windows security update breaks dual boot on Linux systems
According to user reports following this month's Patch Tuesday, the August 2024 Windows security updates are breaking dual boot on some Linux systems with Secure Boot enabled. This issue is caused by ... Read more
The following table lists the changes that have been made to the
CVE-2022-2601 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]
Nov. 25, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://security.gentoo.org/glsa/202311-14 [No types assigned] -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Removed CWE Red Hat, Inc. CWE-787 -
CVE Modified by [email protected]
Feb. 03, 2023
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20230203-0004/ [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 16, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2112975#c0 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2112975#c0 Issue Tracking, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:* versions up to (including) 2.06 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_eus:9.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:9.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:9.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:9.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-2601 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-2022-2601
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} 0.01%
score
0.32645
percentile