CVE-2019-20808
QEMU ATI VGA Out-of-Bounds Read Denial of Service
Description
In QEMU 4.1.0, an out-of-bounds read flaw was found in the ATI VGA implementation. It occurs in the ati_cursor_define() routine while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.
INFO
Published Date :
Dec. 31, 2020, 1:15 a.m.
Last Modified :
Nov. 7, 2023, 3:09 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-2019-20808.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1841136 | Issue Tracking Third Party Advisory |
| https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=aab0e2a661b2b6bf7915c0aefe807fb60d6d9d13 | |
| https://security.netapp.com/advisory/ntap-20210205-0003/ | 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-2019-20808 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-20808 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://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=aab0e2a661b2b6bf7915c0aefe807fb60d6d9d13 [No types assigned] Removed Reference MITRE https://git.qemu.org/?p=qemu.git;a=commit;h=aab0e2a661b2b6bf7915c0aefe807fb60d6d9d13 -
Modified Analysis by [email protected]
Mar. 31, 2021
Action Type Old Value New Value Changed Reference Type https://security.netapp.com/advisory/ntap-20210205-0003/ No Types Assigned https://security.netapp.com/advisory/ntap-20210205-0003/ Third Party Advisory -
CVE Modified by [email protected]
Feb. 05, 2021
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20210205-0003/ [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 05, 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=1841136 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1841136 Issue Tracking, Third Party Advisory Changed Reference Type https://git.qemu.org/?p=qemu.git;a=commit;h=aab0e2a661b2b6bf7915c0aefe807fb60d6d9d13 No Types Assigned https://git.qemu.org/?p=qemu.git;a=commit;h=aab0e2a661b2b6bf7915c0aefe807fb60d6d9d13 Patch, Vendor Advisory Added CWE NIST CWE-125 Added CPE Configuration OR *cpe:2.3:a:qemu:qemu:4.1.0:-:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-20808 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-2019-20808
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
0.10264
percentile