CVE-2021-20304

CVSS V2 None CVSS V3 High 7.5

Description

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.

Overview

CVE ID
CVE-2021-20304

Assigner
secalert@redhat.com

Vulnerability Status
Analyzed

Published Version
2022-08-23T16:15:09

Last Modified Date
2022-12-07T02:23:42

Weakness Enumerations

CWE	URL
CWE-190	http://cwe.mitre.org/data/definitions/190.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:openexr:openexr::::::::	1	OR		2.5.7

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://access.redhat.com/security/cve/CVE-2021-20304	Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26229	Exploit Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1939157	Issue Tracking Third Party Advisory
https://github.com/AcademySoftwareFoundation/openexr/commit/51a92d67f53c08230734e74564c807043cbfe41e	Patch Third Party Advisory
https://github.com/AcademySoftwareFoundation/openexr/pull/849	Patch Third Party Advisory
https://security.gentoo.org/glsa/202210-31

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-20304
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20304

History

Created	Old Value	New Value	Data Type	Notes
2022-08-23 17:00:11				Added to TrackCVE
2022-12-07 03:14:56		2022-12-07T02:23:42	CVE Modified Date	updated
2022-12-07 03:14:56	Undergoing Analysis	Analyzed	Vulnerability Status	updated