CVE-2018-9918

Published: 10 April 2018

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.

Priority

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package	Release	Status
qpdf Launchpad, Ubuntu, Debian	artful	Released (8.0.2-3~17.10.1)
	bionic	Not vulnerable (8.0.2-3)
	trusty	Released (8.0.2-3~14.04.1)
	upstream	Needs triage
	xenial	Released (8.0.2-3~16.04.1)
	Patches: upstream: https://github.com/qpdf/qpdf/commit/b4d6cf6836ce025ba1811b7bbec52680c7204223

Severity score breakdown

Parameter	Value
Base score	7.8
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Bugs

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