6.5

CVE-2018-20481

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Freedesktop ≫ Poppler Version0.72.0
Canonical ≫ Ubuntu Linux Version14.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version16.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version18.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version18.10
Debian ≫ Debian Linux Version8.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.42% 0.874
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.5 2.8 3.6
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvd@nist.gov 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html
https://access.redhat.com/errata/RHSA-2019:2022
https://access.redhat.com/errata/RHSA-2019:2713
https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html
Third Party Advisory
http://www.securityfocus.com/bid/106321
Third Party Advisory
VDB Entry
https://gitlab.freedesktop.org/poppler/poppler/issues/692
Vendor Advisory
Exploit
Issue Tracking
https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143
Patch
Vendor Advisory
https://usn.ubuntu.com/3865-1/
Third Party Advisory