CVE-2021-20300

2022-03-0418:15:07

Debian Security Bug Tracker

security-tracker.debian.org

openexr

hufuncompress

integer overflow

system availability

vulnerability

crafted file

imfhuf.cpp

openexr/ilmimf

CVSS2

7.1

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:N/I:N/A:C

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

39.7%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Debian12allopenexr< 2.5.4-1openexr_2.5.4-1_all.deb
Debian11allopenexr< 2.5.4-1openexr_2.5.4-1_all.deb
Debian999allopenexr< 2.5.4-1openexr_2.5.4-1_all.deb
Debian13allopenexr< 2.5.4-1openexr_2.5.4-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	openexr	< 2.5.4-1	openexr_2.5.4-1_all.deb
Debian	11	all	openexr	< 2.5.4-1	openexr_2.5.4-1_all.deb
Debian	999	all	openexr	< 2.5.4-1	openexr_2.5.4-1_all.deb
Debian	13	all	openexr	< 2.5.4-1	openexr_2.5.4-1_all.deb