Executive Summary

Informations
Name CVE-2018-20481 First vendor Publication 2018-12-25
Vendor Cve Last vendor Modification 2020-07-23

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20481

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 4
Os 1

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/106321
MISC https://gitlab.freedesktop.org/poppler/poppler/issues/692
https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143
MLIST https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html
https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html
REDHAT https://access.redhat.com/errata/RHSA-2019:2022
https://access.redhat.com/errata/RHSA-2019:2713
UBUNTU https://usn.ubuntu.com/3865-1/

Alert History

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Date Informations
2021-05-04 13:14:29
  • Multiple Updates
2021-04-22 02:29:31
  • Multiple Updates
2020-07-23 17:22:40
  • Multiple Updates
2020-05-23 01:12:40
  • Multiple Updates
2019-08-06 21:19:58
  • Multiple Updates
2019-03-11 17:19:27
  • Multiple Updates
2019-03-09 17:18:56
  • Multiple Updates
2019-03-06 21:19:23
  • Multiple Updates
2019-01-23 17:19:23
  • Multiple Updates
2019-01-11 00:19:02
  • Multiple Updates
2018-12-27 17:19:23
  • Multiple Updates
2018-12-26 09:19:25
  • First insertion