CVE-2021-20298
Windows OpenEXR Denial of Service
Description
A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.
INFO
Published Date :
Aug. 23, 2022, 4:15 p.m.
Last Modified :
Dec. 13, 2022, 2:24 a.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-2021-20298.
| URL | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2021-20298 | Third Party Advisory |
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25913 | Mailing List Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1939156 | Issue Tracking Third Party Advisory |
| https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97 | Patch Third Party Advisory |
| https://github.com/AcademySoftwareFoundation/openexr/pull/843 | Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html | Mailing List 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-2021-20298 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20298 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 -
Modified Analysis by [email protected]
Dec. 13, 2022
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 12, 2022
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html [No Types Assigned] -
Initial Analysis by [email protected]
Aug. 26, 2022
Action Type Old Value New Value 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://access.redhat.com/security/cve/CVE-2021-20298 No Types Assigned https://access.redhat.com/security/cve/CVE-2021-20298 Third Party Advisory Changed Reference Type https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25913 No Types Assigned https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25913 Mailing List, Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1939156 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1939156 Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97 No Types Assigned https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97 Patch, Third Party Advisory Changed Reference Type https://github.com/AcademySoftwareFoundation/openexr/pull/843 No Types Assigned https://github.com/AcademySoftwareFoundation/openexr/pull/843 Patch, Third Party Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:* versions up to (including) 2.5.7
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20298 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-2021-20298
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.24 }} 0.01%
score
0.61362
percentile