Improper input validation in Freedesktop Poppler
CVE-2018-20662
In Poppler 0.72.0, PDFDoc::setup in PDFDoc.cc allows attackers to cause a denial-of-service (application crash caused by Object.h SIGABRT, because of a wrong return value from PDFDoc::setup) by crafting a PDF file in which an xref data structure is mishandled during extractPDFSubtype processing.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.023 (82.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Freedesktop Poppler — versions 0.72.0
- Canonical Ubuntu Linux — versions 16.04, 18.04, 18.10
- Debian Linux — versions 8.0, 9.0
- Fedoraproject Fedora — versions 28, 29, 30
- Red Hat Enterprise Linux — versions 8.0
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Eus — versions 8.1, 8.2, 8.4
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Server Aus — versions 8.2, 8.4, 8.6
- Red Hat Enterprise Linux Server Tus — versions 8.2, 8.4, 8.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.freedesktop.org/poppler/poppler/issues/706 (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/03/msg00008.html (mailing-list, Mailing List, Third Party Advisory)
- gitlab.freedesktop.org/poppler/poppler/commit/9fd5ec0e6e5f763b190f2a55ceb5427cf… (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- usn.ubuntu.com/4042-1/ (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:2022 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:2713 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-20662?
- CVE-2018-20662 is a medium-severity vulnerability in Freedesktop Poppler, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2019-01-03.
- How severe is CVE-2018-20662?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2018-20662 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.