CVE-2018-18662 Information

Description

There is an out-of-bounds read in fz_run_t3_glyph in fitz/font.c in Artifex MuPDF 1.14.0 as demonstrated by mutool.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

http://www.securityfocus.com/bid/105755 https://bugs.ghostscript.com/show_bug.cgi?id=700043 https://github.com/TeamSeri0us/pocs/tree/master/mupdf https://lists.debian.org/debian-lts-announce/2020/07/msg00019.html

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