Use After Free in Artifex Ghostscript
CVE-2018-16540
In Artifex Ghostscript before 9.24, attackers able to supply crafted PostScript files to the builtin PDF14 converter could use a use-after-free in copydevice handling to crash the interpreter or possibly have unspecified other impact.
Vulnerability class: Use-After-Free
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: 0.016 (74.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · 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, 7.6
- Red Hat Enterprise Linux Server Aus — versions 7.6
- Red Hat Enterprise Linux Server Eus — versions 7.5, 7.6
- Red Hat Enterprise Linux Server Tus — versions 7.6
- Red Hat Enterprise Linux Workstation — versions 7.0
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2019:0229 (vendor-advisory, Third Party Advisory)
- git.ghostscript.com/
- security.gentoo.org/glsa/201811-12 (vendor-advisory, Third Party Advisory)
- bugs.ghostscript.com/show_bug.cgi (Permissions Required, Issue Tracking, Vendor Advisory)
- usn.ubuntu.com/3768-1/ (vendor-advisory, Third Party Advisory)
- www.artifex.com/news/ghostscript-security-resolved/ (Patch, 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)
- access.redhat.com/errata/RHBA-2019:0327 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-16540?
- CVE-2018-16540 is a high-severity vulnerability in Artifex Ghostscript, classified under Use After Free. CVSS score: 7.8/10. Published 2018-09-05.
- How severe is CVE-2018-16540?
- High severity. CVSS v3 base score is 7.8 out of 10.