CVE-2021-20304
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this vulnerability is to system availability.
Se ha encontrado un fallo en la funcionalidad hufDecode de OpenEXR. Este fallo permite a un atacante que pueda pasar un archivo diseñado para ser procesado por OpenEXR, desencadenar un error de desplazamiento a la derecha no definido. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-12-17 CVE Reserved
- 2022-08-23 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- 2024-11-14 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-190: Integer Overflow or Wraparound
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2021-20304 | Third Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1939157 | Issue Tracking |
| URL | Date | SRC |
|---|---|---|
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26229 | 2024-08-03 |
| URL | Date | SRC |
|---|---|---|
| https://github.com/AcademySoftwareFoundation/openexr/commit/51a92d67f53c08230734e74564c807043cbfe41e | 2022-12-07 | |
| https://github.com/AcademySoftwareFoundation/openexr/pull/849 | 2022-12-07 |
| URL | Date | SRC |
|---|---|---|
| https://security.gentoo.org/glsa/202210-31 | 2022-12-07 |