PT-2020-6859 · Openexr+3 · Openexr+3

Michael Kaplan · Published 2020-09-09 · Updated 2022-12-13 · CVE-2021-20303

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

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

Description A flaw found in the dataWindowForTile() function of IlmImf/ImfTiledMisc.cpp can trigger an integer overflow when a crafted file is processed, leading to an out-of-bounds write on the heap. This issue may impact application availability and potentially affect data integrity. An attacker can exploit this flaw by submitting a specially crafted file to be processed by OpenEXR.

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

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

ALT-PU-2021-1863

ALT-PU-2021-1864

ALT-PU-2021-1933

ALT-PU-2021-1934

BDU:2023-01699

CVE-2021-20303

DLA-2732-1

DLA-3236-1

OESA-2022-1583

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

Affected Products

Alt Linux

Astra Linux

Openexr

Suse

References · 53

• https://github.com/AcademySoftwareFoundation/openexr/pull/831 · Patch
• https://osv.dev/vulnerability/CVE-2021-20303 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:14846-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2023-0316SE47MD · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3236-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-20303 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-2732-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20220829SE16 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2023-0303SE17MD · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-20303 · Security Note
• https://bugzilla.redhat.com/show_bug.cgi?id=1939151 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:2793-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-20303 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:2793-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20303 · Security Note