CVE-2021-41612
OpenRISC mor1kx processor Arithmetic Logic Unit Carry Flag Underflow Vulnerability
Description
An issue was discovered in the ALU unit of the OpenRISC mor1kx processor. The carry flag is not being updated correctly for the subtract instruction, which results in an incorrect value of the carry flag. Any software that relies on this flag may experience corruption in execution.
INFO
Published Date :
April 18, 2023, 12:15 p.m.
Last Modified :
April 27, 2023, 7:46 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
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-2021-41612.
| URL | Resource |
|---|---|
| https://github.com/openrisc/mor1kx/issues/139 | VDB Entry |
| https://seth.engr.tamu.edu/software-releases/thehuzz/ | Exploit 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-41612 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-41612 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 -
Initial Analysis by [email protected]
Apr. 27, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/openrisc/mor1kx/issues/139 No Types Assigned https://github.com/openrisc/mor1kx/issues/139 VDB Entry Changed Reference Type https://seth.engr.tamu.edu/software-releases/thehuzz/ No Types Assigned https://seth.engr.tamu.edu/software-releases/thehuzz/ Exploit, Third Party Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration AND OR *cpe:2.3:o:openrisc:mor1kx_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 5.1 OR cpe:2.3:h:openrisc:mor1kx:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-41612 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-2021-41612
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.23 }} 0.00%
score
0.61663
percentile