CVE-2020-27661
QEMU DWC2 USB Host Controller Divide-by-Zero Denial of Service Vulnerability
Description
A divide-by-zero issue was found in dwc2_handle_packet in hw/usb/hcd-dwc2.c in the hcd-dwc2 USB host controller emulation of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.
INFO
Published Date :
June 2, 2021, 4:15 p.m.
Last Modified :
Nov. 7, 2023, 3:20 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
4.0
Exploitability Score :
2.0
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-2020-27661.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1890653 | Issue Tracking Patch Third Party Advisory |
| https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=bea2a9e3e00b275dc40cfa09c760c715b8753e03 | |
| https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg04263.html | Mailing List Patch Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20210720-0010/ | Third Party Advisory |
| https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1770368.html |
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-2020-27661 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-27661 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. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1770368.html [No types assigned] Added Reference MITRE https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=bea2a9e3e00b275dc40cfa09c760c715b8753e03 [No types assigned] Removed Reference MITRE https://www.mail-archive.com/[email protected]/msg1770368.html Removed Reference MITRE https://git.qemu.org/?p=qemu.git;a=commit;h=bea2a9e3e00b275dc40cfa09c760c715b8753e03 -
Modified Analysis by [email protected]
May. 13, 2022
Action Type Old Value New Value Changed Reference Type https://security.netapp.com/advisory/ntap-20210720-0010/ No Types Assigned https://security.netapp.com/advisory/ntap-20210720-0010/ Third Party Advisory -
CVE Modified by [email protected]
Jul. 20, 2021
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20210720-0010/ [No Types Assigned] -
Reanalysis by [email protected]
Jun. 14, 2021
Action Type Old Value New Value Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1890653 Issue Tracking, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=1890653 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://www.mail-archive.com/[email protected]/msg1770368.html Third Party Advisory https://www.mail-archive.com/[email protected]/msg1770368.html Patch, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:* OR *cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* versions up to (including) 5.1.1 -
Initial Analysis by [email protected]
Jun. 11, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1890653 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1890653 Issue Tracking, Third Party Advisory Changed Reference Type https://git.qemu.org/?p=qemu.git;a=commit;h=bea2a9e3e00b275dc40cfa09c760c715b8753e03 No Types Assigned https://git.qemu.org/?p=qemu.git;a=commit;h=bea2a9e3e00b275dc40cfa09c760c715b8753e03 Patch, Vendor Advisory Changed Reference Type https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg04263.html No Types Assigned https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg04263.html Mailing List, Patch, Third Party Advisory Changed Reference Type https://www.mail-archive.com/[email protected]/msg1770368.html No Types Assigned https://www.mail-archive.com/[email protected]/msg1770368.html Third Party Advisory Added CWE NIST CWE-369 Added CPE Configuration OR *cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-27661 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-2020-27661
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
0.12065
percentile