Vulnerability in Artifex Ghostscript
CVE-2018-19475
psi/zdevice2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because available stack space is not checked when the device remains the same.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.095 (95.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.095 · newest: 0.095 · change: 0.000
Affected products
- Artifex Ghostscript
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0, 9.0
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Server — versions 7.0, 7.6
- Red Hat Enterprise Linux Server Aus — versions 7.6
- Red Hat Enterprise Linux Server Eus — versions 7.6
- Red Hat Enterprise Linux Server Tus — versions 7.6
- Red Hat Enterprise Linux Workstation — versions 7.0
- Red Hat Openshift Container Platform — versions 3.11
Public proof-of-concept exploits
References
- www.debian.org/security/2018/dsa-4346 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:0229 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3831-1/ (vendor-advisory, Third Party Advisory)
- git.ghostscript.com/
- bugs.ghostscript.com/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
- semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf (Exploit, Third Party Advisory, Mitigation)
- www.securityfocus.com/bid/106154 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.debian.org/debian-lts-announce/2018/11/msg00036.html (mailing-list, Mailing List, Third Party Advisory)
- www.ghostscript.com/doc/9.26/History9.htm (Release Notes, Vendor Advisory)
- git.ghostscript.com/
Frequently asked questions
- What is CVE-2018-19475?
- CVE-2018-19475 is a high-severity vulnerability in Artifex Ghostscript. CVSS score: 7.8/10. Published 2018-11-23.
- How severe is CVE-2018-19475?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-19475 known to be exploited?
- 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.