CVE-2018-20650

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 v3.0 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:freedesktop:poppler:0.72.0:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*

Information

Published : 2019-01-01 16:29

Updated : 2020-11-09 02:15

NVD link : CVE-2018-20650

Mitre link : CVE-2018-20650

JSON object : View

Products Affected

canonical

ubuntu_linux

freedesktop

poppler

CWE

CWE-20

Improper Input Validation

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