PT-2020-6982 · Openexr+3 · Openexr+3

Michael Kaplan · Published 2020-09-24 · Updated 2023-03-10 · CVE-2021-20298

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions OpenEXR (affected versions not specified)

Description The issue is related to a buffer overflow in the B44Compressor component of OpenEXR, which is used for storing images with high dynamic range. An attacker can exploit this by submitting a specially crafted file, potentially leading to a denial of service. The highest threat from this issue is to system availability, as it allows an attacker to exhaust all accessible memory.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

Memory Corruption

Weakness Enumeration

CWE-400

CWE-787

Related Identifiers

ALT-PU-2023-1408

BDU:2024-07289

CVE-2021-20298

DLA-3236-1

OESA-2022-1884

OESA-2022-1885

OPENSUSE-SU-2021:1198-1

OPENSUSE-SU-2021:2793-1

OPENSUSE-SU-2021_1198-1

OPENSUSE-SU-2021_2793-1

SUSE-SU-2021:14846-1

SUSE-SU-2021:2793-1

SUSE-SU-2021:2913-1

SUSE-SU-2021_14846-1

SUSE-SU-2021_2793-1

SUSE-SU-2021_2913-1

Affected Products

Alt Linux

Astra Linux

Openexr

Suse

References · 48

• https://github.com/AcademySoftwareFoundation/openexr/pull/843 · Patch
• https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97 · Patch
• https://osv.dev/vulnerability/DLA-3236-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-20298 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20298 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2021:2793-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:2793-1 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-1884 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:1198-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-20298 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2023-0303SE17MD · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-07289 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-20298 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-20298 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-20298 · Vendor Advisory