Detections
Analytics

Linux Distros Unpatched Vulnerability : CVE-2018-20481

medium Nessus Plugin ID 222073

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - 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. (CVE-2018-20481)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2018-20481

Plugin Details

Severity: Medium

ID: 222073

File Name: unpatched_CVE_2018_20481.nasl

Version: 1.2

Type: local

Agent: unix

Family: Misc.

Published: 3/4/2025

Updated: 9/4/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2018-20481

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:5, p-cpe:/a:redhat:enterprise_linux:poppler-glib, p-cpe:/a:redhat:enterprise_linux:poppler-qt, p-cpe:/a:redhat:enterprise_linux:poppler-qt4-devel, p-cpe:/a:redhat:enterprise_linux:poppler-utils, p-cpe:/a:redhat:enterprise_linux:poppler-qt-devel, p-cpe:/a:redhat:enterprise_linux:poppler-devel, p-cpe:/a:redhat:enterprise_linux:poppler, p-cpe:/a:redhat:enterprise_linux:poppler-glib-devel, p-cpe:/a:redhat:enterprise_linux:poppler-qt4, cpe:/o:redhat:enterprise_linux:6

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 12/25/2018

Reference Information

CVE: CVE-2018-20481