CVE-2018-20481

2018-12-2500:00:00

ubuntu.com

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

0.01 Low

EPSS

Percentile

83.2%

JSON

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.

Bugs

<http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=917325>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchpoppler< 0.62.0-2ubuntu2.6UNKNOWN
ubuntu18.10noarchpoppler< 0.68.0-0ubuntu1.4UNKNOWN
ubuntu14.04noarchpoppler< 0.24.5-2ubuntu4.15UNKNOWN
ubuntu16.04noarchpoppler< 0.41.0-0ubuntu1.11UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	poppler	< 0.62.0-2ubuntu2.6	UNKNOWN
ubuntu	18.10	noarch	poppler	< 0.68.0-0ubuntu1.4	UNKNOWN
ubuntu	14.04	noarch	poppler	< 0.24.5-2ubuntu4.15	UNKNOWN
ubuntu	16.04	noarch	poppler	< 0.41.0-0ubuntu1.11	UNKNOWN