PT-2020-6473 · Academy Software Foundation+5 · Openexr+5

Manh Dung + 1 · Published 2020-10-27 · Updated 2023-02-02 · CVE-2020-16587

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Academy Software Foundation OpenEXR version 2.3.0

Description A heap-based buffer overflow issue exists in the chunkOffsetReconstruction function within the ImfMultiPartInputFile.cpp file. This can cause a denial of service when a crafted EXR file is used. The vulnerability is related to a buffer overflow, which may allow a remote attacker to cause a service disruption.

Recommendations For Academy Software Foundation OpenEXR version 2.3.0, consider disabling the chunkOffsetReconstruction function in ImfMultiPartInputFile.cpp as a temporary workaround until a patch is available. Restrict access to crafted EXR files to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALT-PU-2020-3135

ALT-PU-2020-3136

ALT-PU-2021-1312

ALT-PU-2021-1313

ALT-PU-2021-3360

AZL-45318

BDU:2021-05191

CVE-2020-16587

DLA-2701-1

DLA-3236-1

MGASA-2021-0015

OPENSUSE-SU-2020:2349-1

OPENSUSE-SU-2020:2351-1

OPENSUSE-SU-2020_2349-1

OPENSUSE-SU-2020_2351-1

SUSE-SU-2020:3931-1

SUSE-SU-2020:3934-1

SUSE-SU-2020_3931-1

SUSE-SU-2020_3934-1

USN-4676-1

Affected Products

Alt Linux

Astra Linux

Linuxmint

Openexr

Suse

Ubuntu

References · 49

• 🔥 https://github.com/AcademySoftwareFoundation/openexr/issues/491 · Exploit
• https://github.com/AcademySoftwareFoundation/openexr/commit/8b5370c688a7362673c3a5256d93695617a4cd9a · Patch
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2023-0316SE47MD · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3236-1 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2021-0015.html · Security Note
• https://ubuntu.com/security/notices/USN-4418-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-16587 · Security Note
• https://osv.dev/vulnerability/DLA-2701-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2023-0303SE17MD · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-16587 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-16587 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-16587 · Security Note
• https://ubuntu.com/security/notices/USN-4676-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:3931-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-16587 · Vendor Advisory