CVE-2021-28856 Information

Description

In Deark before v1.5.8 a specially crafted input file can cause a division by zero in (src/fmtutil.c) because of the value of pixelsize.

CVSS Vector

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

Reference

https://github.com/jsummers/deark/commit/62acb7753b0e3c0d3ab3c15057b0a65222313334 https://fatihhcelik.github.io/posts/Division-By-Zero-Deark/

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