CVE-2021-28855 Information

Description

In Deark before 1.5.8 a specially crafted input file can cause a NULL pointer dereference in the dbuf_write function (src/deark-dbuf.c).

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/287f5ac31dfdc074669182f51ece637706070eeb https://fatihhcelik.github.io/posts/NULL-Pointer-Dereference-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