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)
EPSS: 0.022 (81.0th percentile) — read the EPSS interpretation.
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.
Affected products
- Freedesktop Poppler — versions 0.72.0
- Canonical Ubuntu_linux — versions 16.04, 18.04, 18.10
- Debian Debian_linux — versions 8.0, 9.0
- Fedoraproject Fedora — versions 28, 29, 30
- Redhat Enterprise_linux — versions 8.0
- Redhat Enterprise_linux_desktop — versions 7.0
- Redhat Enterprise_linux_eus — versions 8.1, 8.2, 8.4
- Redhat Enterprise_linux_server — versions 7.0
- Redhat Enterprise_linux_server_aus — versions 8.2, 8.4, 8.6
- Redhat Enterprise_linux_server_tus — versions 8.2, 8.4, 8.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, 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.