CVE-2020-15687
ACRN Hypervisor: PCIe Assignment Hypercall Abuse
Description
Missing access control restrictions in the Hypervisor component of the ACRN Project (v2.0 and v1.6.1) allow a malicious entity, with root access in the Service VM userspace, to abuse the PCIe assign/de-assign Hypercalls via crafted ioctls and payloads. This attack results in a corrupt state and Denial of Service (DoS) for previously assigned PCIe devices to the Service VM at runtime.
INFO
Published Date :
Aug. 31, 2020, 4:15 p.m.
Last Modified :
Sept. 8, 2020, 7:20 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
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-2020-15687.
| URL | Resource |
|---|---|
| https://projectacrn.github.io/2.1/asa.html#addressed-in-acrn-v2-1 | Third Party Advisory |
| https://projectacrn.github.io/latest/ | Third Party Advisory |
| https://projectacrn.github.io/latest/developer-guides/hld/split-dm.html | 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-2020-15687 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-15687 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]
Sep. 08, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://projectacrn.github.io/2.1/asa.html#addressed-in-acrn-v2-1 No Types Assigned https://projectacrn.github.io/2.1/asa.html#addressed-in-acrn-v2-1 Third Party Advisory Changed Reference Type https://projectacrn.github.io/latest/ No Types Assigned https://projectacrn.github.io/latest/ Third Party Advisory Changed Reference Type https://projectacrn.github.io/latest/developer-guides/hld/split-dm.html No Types Assigned https://projectacrn.github.io/latest/developer-guides/hld/split-dm.html Third Party Advisory Added CWE NIST NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:o:linuxfoundation:acrn:1.6.1:*:*:*:*:*:*:* *cpe:2.3:o:linuxfoundation:acrn:2.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-15687 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-2020-15687
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.14 }} -0.00%
score
0.49680
percentile