CVE-2018-20650 Information

Description

A reachable Object::dictLookup assertion in Poppler 0.72.0 allows attackers to cause a denial of service due to the lack of a check for the dict data type as demonstrated by use of the FileSpec class (in FileSpec.cc) in pdfdetach.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/106459 https://access.redhat.com/errata/RHSA-2019:2022 https://access.redhat.com/errata/RHSA-2019:2713 https://gitlab.freedesktop.org/poppler/poppler/commit/de0c0b8324e776f0b851485e0fc9622fc35695b7 https://gitlab.freedesktop.org/poppler/poppler/issues/704 https://lists.debian.org/debian-lts-announce/2019/09/msg00033.html https://lists.debian.org/debian-lts-announce/2020/11/msg00014.html https://usn.ubuntu.com/3865-1/

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

6.5