Vulnerability Name:

CVE-2018-20481 (CCN-154791)

Assigned:2018-12-20
Published:2018-12-20
Updated:2020-07-23
Summary:XRef::getEntry in XRef.cc in Poppler 0.72.0 mishandles unallocated XRef entries, which allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted PDF document, when XRefEntry::setFlag in XRef.h is called from Parser::makeStream in Parser.cc.
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
3.3 Low (REDHAT 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 (REDHAT 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
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-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-20481

Source: BID
Type: Third Party Advisory, VDB Entry
106321

Source: REDHAT
Type: UNKNOWN
RHSA-2019:2022

Source: REDHAT
Type: UNKNOWN
RHSA-2019:2713

Source: XF
Type: UNKNOWN
poppler-cve201820481-dos(154791)

Source: CCN
Type: Poppler GIT Repository
null pointer dereference in XRef etEntry

Source: MISC
Type: Exploit, Issue Tracking, Vendor Advisory
https://gitlab.freedesktop.org/poppler/poppler/issues/692

Source: MISC
Type: Patch, Vendor Advisory
https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143

Source: MLIST
Type: Third Party Advisory
[debian-lts-announce] 20190308 [SECURITY] [DLA 1706-1] poppler security update

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

Source: UBUNTU
Type: Third Party Advisory
USN-3865-1

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-20481

Vulnerable Configuration:Configuration 1:
  • cpe:/a:freedesktop:poppler:0.72.0:*:*:*:*:*:*:*

    • Configuration 2:
  • 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 3:
  • cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*

    • 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:*:*:*:*:*

    • Configuration RedHat 6:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 7:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

    • Configuration RedHat 8:
  • cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:freedesktop:poppler:0.72.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast 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: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: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:com.redhat.rhsa:def:20192713
    P
    		RHSA-2019:2713: poppler security update (Moderate)
    2019-09-12
    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:2018204810000000
    V
    		CVE-2018-20481 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-12-26
    oval:com.ubuntu.xenial:def:2018204810000000
    V
    		CVE-2018-20481 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-12-26
    oval:com.ubuntu.bionic:def:201820481000
    V
    		CVE-2018-20481 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-12-25
    oval:com.ubuntu.cosmic:def:2018204810000000
    V
    		CVE-2018-20481 on Ubuntu 18.10 (cosmic) - medium.
    2018-12-25
    oval:com.ubuntu.cosmic:def:201820481000
    V
    		CVE-2018-20481 on Ubuntu 18.10 (cosmic) - medium.
    2018-12-25
    oval:com.ubuntu.trusty:def:201820481000
    V
    		CVE-2018-20481 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-12-25
    oval:com.ubuntu.xenial:def:201820481000
    V
    		CVE-2018-20481 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-12-25
    BACK
    freedesktop poppler 0.72.0
    canonical ubuntu linux 14.04
    canonical ubuntu linux 16.04
    canonical ubuntu linux 18.04
    canonical ubuntu linux 18.10
    debian debian linux 8.0
    freedesktop poppler 0.72.0