CVE-2018-20481

CVSS V2 Medium 4.3 CVSS V3 Medium 6.5
Description
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.
Overview
  • CVE ID
  • CVE-2018-20481
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-12-26T04:29:00
  • Last Modified Date
  • 2020-07-23T12:15:12
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:freedesktop:poppler:0.72.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143 Patch Vendor Advisory
https://gitlab.freedesktop.org/poppler/poppler/issues/692 Issue Tracking Exploit Vendor Advisory
http://www.securityfocus.com/bid/106321 Third Party Advisory VDB Entry
https://usn.ubuntu.com/3865-1/ Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html 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/2020/07/msg00018.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-20481
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20481
History
Created Old Value New Value Data Type Notes
2022-05-10 16:40:03 Added to TrackCVE
2022-12-03 15:46:04 2018-12-26T04:29Z 2018-12-26T04:29:00 CVE Published Date updated
2022-12-03 15:46:04 2020-07-23T12:15:12 CVE Modified Date updated
2022-12-03 15:46:04 Modified Vulnerability Status updated