CVE-2020-27823 Information

Description

A flaw was found in OpenJPEG’s encoder. This flaw allows an attacker to pass specially crafted xy offset input to OpenJPEG to use during encoding. The highest threat from this vulnerability is to confidentiality integrity as well as system availability.

CVSS Vector

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

Reference

https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html https://bugzilla.redhat.com/show_bug.cgi?id=1905762 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OQR4EWRFFZQDMFPZKFZ6I3USLMW6TKTP/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/ https://www.debian.org/security/2021/dsa-4882

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8