CVE-2020-11759 Information

Description

An issue was discovered in OpenEXR before 2.4.1. Because of integer overflows in CompositeDeepScanLine::Data::handleDeepFrameBuffer and readSampleCountForLineBlock an attacker can write to an out-of-bounds pointer.

CVSS Vector

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

Reference

https://bugs.chromium.org/p/project-zero/issues/detail?id=1987 https://github.com/AcademySoftwareFoundation/openexr/blob/master/CHANGES.mdversion-241-february-11-2020 https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v2.4.1 https://lists.debian.org/debian-lts-announce/2020/08/msg00056.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F4KFGDQG5PVYAU7TS5MZ7XCS6EMPVII3/ https://support.apple.com/kb/HT211288 https://support.apple.com/kb/HT211289 https://support.apple.com/kb/HT211290 https://support.apple.com/kb/HT211291 https://support.apple.com/kb/HT211293 https://support.apple.com/kb/HT211294 https://support.apple.com/kb/HT211295 https://usn.ubuntu.com/4339-1/ https://www.debian.org/security/2020/dsa-4755

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5