CVE-2018-18020 Information

Description

In QPDF 8.2.1 in libqpdf/QPDFWriter.cc QPDFWriter::unparseObject and QPDFWriter::unparseChild have recursive calls for a long time which allows remote attackers to cause a denial of service via a crafted PDF file.

CVSS Vector

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

Reference

https://github.com/qpdf/qpdf/issues/243

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

LOW

Base Severity

3.3