Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-20300

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.

Published

2022-03-04T18:15:07.867

Last Modified

2024-11-21T05:46:18.760

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

6.9

Weaknesses

Type: Primary
CWE-190
Type: Secondary
CWE-190

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	openexr	openexr	< 2.5.4	Yes
Operating System	debian	debian_linux	10.0	Yes

References

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25562 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1939153 Issue Tracking, Third Party Advisory ([email protected])
https://github.com/AcademySoftwareFoundation/openexr/pull/836 Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html Mailing List, Third Party Advisory ([email protected])
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25562 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1939153 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/AcademySoftwareFoundation/openexr/pull/836 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)