CVE-2018-18458 Information

Description

The function DCTStream::decodeImage in Stream.cc in Xpdf 4.00 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted pdf file as demonstrated by pdftoppm.

CVSS Vector

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

Reference

https://forum.xpdfreader.com/viewtopic.php?f=3&t=41217 https://github.com/TeamSeri0us/pocs/tree/master/xpdf/2018_10_16/pdftoppm

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