CVE-2018-20481
Poppler PDF NULL Pointer Dereference Vulnerability
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.
INFO
Published Date :
Dec. 26, 2018, 4:29 a.m.
Last Modified :
July 23, 2020, 12:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2018-20481 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2018-20481
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-20481.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/106321 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2019:2022 | |
| https://access.redhat.com/errata/RHSA-2019:2713 | |
| https://gitlab.freedesktop.org/poppler/poppler/issues/692 | Issue Tracking Exploit Vendor Advisory |
| https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143 | Patch Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html | |
| https://usn.ubuntu.com/3865-1/ | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
CVEs and Techniques used PDF as an attack vector.
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-20481 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-20481 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Jul. 23, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html [No Types Assigned] -
CVE Modified by [email protected]
Sep. 11, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:2713 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 06, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:2022 [No Types Assigned] -
Modified Analysis by [email protected]
Mar. 11, 2019
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 09, 2019
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html [No Types Assigned] -
Modified Analysis by [email protected]
Mar. 06, 2019
Action Type Old Value New Value Changed Reference Type https://usn.ubuntu.com/3865-1/ No Types Assigned https://usn.ubuntu.com/3865-1/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jan. 23, 2019
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3865-1/ [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 10, 2019
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143 No Types Assigned https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143 Patch, Vendor Advisory Changed Reference Type http://www.securityfocus.com/bid/106321 No Types Assigned http://www.securityfocus.com/bid/106321 Third Party Advisory, VDB Entry Changed Reference Type https://gitlab.freedesktop.org/poppler/poppler/issues/692 No Types Assigned https://gitlab.freedesktop.org/poppler/poppler/issues/692 Exploit, Issue Tracking, Vendor Advisory Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:a:freedesktop:poppler:0.72.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 27, 2018
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/106321 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-20481 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-20481
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.80 }} -0.18%
score
0.81601
percentile