CVE-2020-15306 Information

Description

An issue was discovered in OpenEXR before v2.5.2. Invalid chunkCount attributes could cause a heap buffer overflow in getChunkOffsetTableSize() in IlmImf/ImfMisc.cpp.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00025.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00048.html https://github.com/AcademySoftwareFoundation/openexr/blob/master/CHANGES.md https://github.com/AcademySoftwareFoundation/openexr/blob/master/SECURITY.md https://github.com/AcademySoftwareFoundation/openexr/pull/738 https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v2.5.2 https://lists.debian.org/debian-lts-announce/2020/08/msg00056.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LKDRVXORM2VLNHRLFKS3JHRABSHZ5W5M/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SHYAKRAUEMYVCV7U5WLDRE2YFGSV5PIT/ https://usn.ubuntu.com/4418-1/ https://www.debian.org/security/2020/dsa-4755

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5