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CVE-2020-11762

Published: 14 April 2020

An issue was discovered in OpenEXR before 2.4.1. There is an out-of-bounds read and write in DwaCompressor::uncompress in ImfDwaCompressor.cpp when handling the UNKNOWN compression case.

Notes

AuthorNote
mdeslaur
need to check if commits are the right ones

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
openexr
Launchpad, Ubuntu, Debian
bionic
Released (2.2.0-11.1ubuntu1.2)
eoan
Released (2.2.1-4.1ubuntu1.1)
focal
Released (2.3.0-6ubuntu0.1)
trusty Does not exist

upstream Needs triage

xenial
Released (2.2.0-10ubuntu2.2)
Patches:
upstream: https://github.com/AcademySoftwareFoundation/openexr/commit/3eda5d70aba127bae9bd6bae9956fcf024b64031
upstream: https://github.com/AcademySoftwareFoundation/openexr/commit/2ae5f8376b0a6c3e2bb100042f5de79503ba837a

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H