CVE-2018-9918 Information

Description

libqpdf.a in QPDF through 8.0.2 mishandles certain \expected dictionary key but found non-name object\ cases allowing remote attackers to cause a denial of service (stack exhaustion) related to the QPDFObjectHandle and QPDF_Dictionary classes because nesting in direct objects is not restricted.

CVSS Vector

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

Reference

https://github.com/qpdf/qpdf/commit/b4d6cf6836ce025ba1811b7bbec52680c7204223 https://github.com/qpdf/qpdf/issues/202 https://usn.ubuntu.com/3638-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8