CVE-2021-20300
OpenEXR HufDecompression Arbitrary Address Read
Description
A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow. The highest threat from this vulnerability is to system availability.
INFO
Published Date :
March 4, 2022, 6:15 p.m.
Last Modified :
Dec. 13, 2022, 2:22 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
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-2021-20300.
| URL | Resource |
|---|---|
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25562 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1939153 | Issue Tracking Third Party Advisory |
| https://github.com/AcademySoftwareFoundation/openexr/pull/836 | 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-2021-20300 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20300 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]
Mar. 17, 2022
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25562 No Types Assigned https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25562 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1939153 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1939153 Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/AcademySoftwareFoundation/openexr/pull/836 No Types Assigned https://github.com/AcademySoftwareFoundation/openexr/pull/836 Patch, Third Party Advisory Added CWE NIST CWE-190 Added CPE Configuration OR *cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:* versions up to (excluding) 2.5.4
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20300 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-2021-20300
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.12 }} 0.01%
score
0.46361
percentile