Vulnerability CVE-2018-16646

Vulnerability Name:

CVE-2018-16646 (CCN-149686)

Assigned:

2018-08-28

Published:

2018-08-28

Updated:

2020-07-23

Summary:

In Poppler 0.68.0, the Parser::getObj() function in Parser.cc may cause infinite recursion via a crafted file. A remote attacker can leverage this for a DoS attack.

CVSS v3 Severity:

6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

4.3 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
3.8 Low (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

CWE-835

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2018-16646

Source: REDHAT
Type: UNKNOWN
RHSA-2019:2022

Source: CCN
Type: Red Hat Bugzilla Bug 1622951
poppler: Infinite recursion in poppler/Parser.cc:Parser::getObj() function

Source: MISC
Type: Exploit, Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1622951

Source: XF
Type: UNKNOWN
poppler-cve201816646-dos(149686)

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20181031 [SECURITY] [DLA 1562-1] poppler security update

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20181130 [SECURITY] [DLA 1562-2] poppler security update

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20181214 [SECURITY] [DLA 1562-3] poppler regression update

Source: MLIST
Type: UNKNOWN
[debian-lts-announce] 20200723 [SECURITY] [DLA 2287-1] poppler security update

Source: CCN
Type: poppler Web site
Poppler is a PDF rendering library based on the xpdf-3.0 code base.

Source: UBUNTU
Type: Third Party Advisory
USN-3837-1

Source: UBUNTU
Type: Third Party Advisory
USN-3837-2

Vulnerable Configuration:

Configuration 1:

cpe:/a:freedesktop:poppler:0.68.0:*:*:*:*:*:*:*

Configuration 2:

cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Configuration 3:

cpe:/o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

OR cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

OR cpe:/o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

OR cpe:/o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*

Configuration RedHat 1:

cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

Configuration RedHat 2:

cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*

Configuration RedHat 3:

cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*

Configuration RedHat 4:

cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*

Configuration RedHat 5:

cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:93145	P	(Important)	2022-07-06
oval:org.opensuse.security:def:93298	P	(Important)	2022-01-25
oval:org.opensuse.security:def:100079	P	(Important)	2022-01-11
oval:org.opensuse.security:def:99175	P	(Important)	2021-12-22
oval:org.opensuse.security:def:9064	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:106745	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:95453	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:92225	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:69566	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:10180	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:6246	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:99370	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:106060	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:92992	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:70510	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:76403	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:9426	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:102166	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:108832	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:96329	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:111808	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:92420	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:69760	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:10370	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:8679	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:99569	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:106259	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:70807	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:66994	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:9620	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:103001	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:109667	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:98980	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:105670	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:92619	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:69959	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:10667	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:8869	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:99768	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:106458	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:92030	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:67335	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:9819	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:119807	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:5905	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:105865	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:92818	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:70320	P	Security update for poppler (Important)	2021-12-01
oval:org.opensuse.security:def:76062	P	Security update for poppler (Important)	2021-12-01
oval:com.redhat.rhsa:def:20192022	P	RHSA-2019:2022: poppler security, bug fix, and enhancement update (Moderate)	2019-08-06
oval:com.ubuntu.bionic:def:201816646000	V	CVE-2018-16646 on Ubuntu 18.04 LTS (bionic) - low.	2018-09-06
oval:com.ubuntu.cosmic:def:2018166460000000	V	CVE-2018-16646 on Ubuntu 18.10 (cosmic) - low.	2018-09-06
oval:com.ubuntu.cosmic:def:201816646000	V	CVE-2018-16646 on Ubuntu 18.10 (cosmic) - low.	2018-09-06
oval:com.ubuntu.bionic:def:2018166460000000	V	CVE-2018-16646 on Ubuntu 18.04 LTS (bionic) - low.	2018-09-06
oval:com.ubuntu.trusty:def:201816646000	V	CVE-2018-16646 on Ubuntu 14.04 LTS (trusty) - low.	2018-09-06
oval:com.ubuntu.xenial:def:2018166460000000	V	CVE-2018-16646 on Ubuntu 16.04 LTS (xenial) - low.	2018-09-06
oval:com.ubuntu.xenial:def:201816646000	V	CVE-2018-16646 on Ubuntu 16.04 LTS (xenial) - low.	2018-09-06

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