Medium severity · published Dec 26, 2018
CVE-2018-20481
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…
6.5
CVSS
3.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.3% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
PO
Poppler · Freedesktop
0.72.0 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20481
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20481
Third Party Advisory
http://www.securityfocus.com/bid/106321
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:2022
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:2713
Exploit
https://gitlab.freedesktop.org/poppler/poppler/issues/692
Patch
https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html
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