CVE-2018-18284
CVE-2018-18284 is a high-severity vulnerability in Artifex Ghostscript with a CVSS 3.x base score of 8.6. Its EPSS exploit-prediction score of 16% places it in the 97th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: High (CVSS 3.x base score 8.6)
- CVSS v2: 6.8
- EPSS exploit prediction: 16% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Artifex Ghostscript
- Published:
- Last modified:
Description
Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving the 1Policy operator.
Frequently asked questions
- What is CVE-2018-18284?
- Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving the 1Policy operator.
- How severe is CVE-2018-18284?
- CVE-2018-18284 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-18284 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-18284?
- CVE-2018-18284 primarily affects Artifex Ghostscript. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-18284?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-18284 published?
- CVE-2018-18284 was published on 2018-10-19 and last updated on 2026-06-17.
References
- http://git.ghostscript.com/?p=ghostpdl.git%3Bh=8d19fdf63f91f50466b08f23e2d93d37a4c5ea0b
- http://www.openwall.com/lists/oss-security/2018/10/16/2
- http://www.securityfocus.com/bid/107451
- https://access.redhat.com/errata/RHSA-2018:3834
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1696
- https://bugs.ghostscript.com/show_bug.cgi?id=699963
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101
- https://lists.debian.org/debian-lts-announce/2018/10/msg00013.html
- https://security.gentoo.org/glsa/201811-12
- https://support.f5.com/csp/article/K22141757?utm_source=f5support&%3Butm_medium=RSS
- https://usn.ubuntu.com/3803-1/
- https://www.debian.org/security/2018/dsa-4336
Affected products (15)
- cpe:2.3:a:artifex:ghostscript:*:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:a:artifex:gpl_ghostscript:*:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:pulsesecure:pulse_connect_secure:*:*:*:*:*:*:*:*
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