Vulnerability in Artifex Ghostscript
CVE-2018-16509
An issue was discovered in Artifex Ghostscript before 9.24. Incorrect "restoration of privilege" checking during handling of /invalidaccess exceptions could be used by attackers able to supply crafted PostScript to execute code using the "…
EPSS: 0.925 (99.8th percentile) — read the EPSS interpretation.
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.
Affected products
- Artifex Ghostscript
- Artifex Gpl_ghostscript
- Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
- Debian Debian_linux — versions 8.0, 9.0
- Redhat Enterprise_linux_desktop — versions 6.0, 7.0
- Redhat Enterprise_linux_server — versions 6.0, 7.0
- Redhat Enterprise_linux_server_eus — versions 7.5
- Redhat Enterprise_linux_workstation — versions 6.0, 7.0
- N/a — versions n/a
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- cve@mitre.org (Permissions Required, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-16509?
- CVE-2018-16509 is a high-severity vulnerability in Artifex Ghostscript. CVSS score: 7.8/10. Published 2018-09-05.
- How severe is CVE-2018-16509?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-16509 known to be exploited?
- 50 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.