CVE-2020-27814 Information

Description

A heap-buffer overflow was found in the way openjpeg2 handled certain PNG format files. An attacker could use this flaw to cause an application crash or in some cases execute arbitrary code with the permission of the user running such an application.

CVSS Vector

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

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=1901998 https://security.gentoo.org/glsa/202101-29 https://github.com/uclouvain/openjpeg/issues/1283 https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html https://www.debian.org/security/2021/dsa-4882 https://www.oracle.com//security-alerts/cpujul2021.html

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