Buffer overflow in Artifex Ghostscript
CVE-2018-16542
In Artifex Ghostscript before 9.24, attackers able to supply crafted PostScript files could use insufficient interpreter stack-size checking during error handling to crash the interpreter.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.019 (79.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · 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 — versions 7.0
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Server Eus — versions 7.5
- Red Hat Enterprise Linux Workstation — versions 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2018:2918 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201811-12 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3768-1/ (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/105337 (VDB Entry, Third Party Advisory, vdb-entry)
- bugs.ghostscript.com/show_bug.cgi (Permissions Required, Issue Tracking, Vendor Advisory)
- www.debian.org/security/2018/dsa-4288 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/09/msg00015.html (mailing-list, Mailing List, Third Party Advisory)
- git.ghostscript.com/
- seclists.org/oss-sec/2018/q3/182 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-16542?
- CVE-2018-16542 is a medium-severity vulnerability in Artifex Ghostscript, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2018-09-05.
- How severe is CVE-2018-16542?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2018-16542 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.