Information disclosure in Artifex Ghostscript
CVE-2018-18073
Artifex Ghostscript allows attackers to bypass a sandbox protection mechanism by leveraging exposure of system operators in the saved execution stack in an error object.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.027 (85.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · 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
- 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
Weakness classification (CWE)
References
- packetstormsecurity.com/files/149758/Ghostscript-Exposed-System-Operators.html (VDB Entry, Third Party Advisory)
- bugs.ghostscript.com/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
- access.redhat.com/errata/RHSA-2018:3834 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3803-1/ (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2018/10/10/12 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.debian.org/security/2018/dsa-4336 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/10/msg00013.html (mailing-list, Mailing List, Third Party Advisory)
- bugs.chromium.org/p/project-zero/issues/detail (Patch, Third Party Advisory, Issue Tracking)
- git.ghostscript.com/
Frequently asked questions
- What is CVE-2018-18073?
- CVE-2018-18073 is a medium-severity vulnerability in Artifex Ghostscript, classified under Information Disclosure. CVSS score: 6.3/10. Published 2018-10-15.
- How severe is CVE-2018-18073?
- Medium severity. CVSS v3 base score is 6.3 out of 10.