CVE-2021-20296
OpenEXR NULL Pointer Dereference Vulnerability
Description
A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.
INFO
Published Date :
April 1, 2021, 2:15 p.m.
Last Modified :
Nov. 21, 2024, 5:46 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
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-2021-20296.
| URL | Resource |
|---|---|
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854 | Issue Tracking Mailing List Patch Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1939141 | Issue Tracking Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html | Mailing List Third Party Advisory |
| https://security.gentoo.org/glsa/202107-27 | Third Party Advisory |
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854 | Issue Tracking Mailing List Patch Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1939141 | Issue Tracking Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html | Mailing List Third Party Advisory |
| https://security.gentoo.org/glsa/202107-27 | 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-2021-20296 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20296 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1939141 Added Reference https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html Added Reference https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html Added Reference https://security.gentoo.org/glsa/202107-27 -
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 Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *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] -
Modified Analysis by [email protected]
Oct. 07, 2022
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html Mailing List, Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/202107-27 No Types Assigned https://security.gentoo.org/glsa/202107-27 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 11, 2021
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202107-27 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 03, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html [No Types Assigned] -
Reanalysis by [email protected]
May. 26, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:* versions up to (excluding) 2.5.4 OR *cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:* versions up to (excluding) 2.4.3 *cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:* versions from (including) 2.5.0 up to (excluding) 2.5.4 -
Reanalysis by [email protected]
Apr. 20, 2021
Action Type Old Value New Value Changed Reference Type https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854 Mailing List, Patch, Third Party Advisory https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854 Issue Tracking, Mailing List, Patch, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:* versions up to (including) 2.5.5 OR *cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:* versions up to (excluding) 2.5.4 -
CPE Deprecation Remap by [email protected]
Apr. 20, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:aswf:openexr:*:*:*:*:*:*:*:* versions from (including) 2.5.5 OR *cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:* versions from (including) 2.5.5 -
Initial Analysis by [email protected]
Apr. 05, 2021
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:L Changed Reference Type https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854 No Types Assigned https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854 Mailing List, Patch, Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1939141 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1939141 Issue Tracking, Patch, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:aswf:openexr:*:*:*:*:*:*:*:* versions up to (including) 2.5.5
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20296 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-2021-20296
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.36 }} 0.23%
score
0.72034
percentile