Vulnerability in Artifex Ghostscript
CVE-2019-14869
A flaw was found in all versions of ghostscript 9.x before 9.50, where the `.charkeys` procedure, where it did not properly secure its privileged calls, enabling scripts to bypass `-dSAFER` restrictions. An attacker could abuse this flaw by creating a specially crafted PostScript file that could escalate privileges within the Ghostscript and access files outside of restricted areas or execute commands.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.031 (87.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.034 · newest: 0.031 · change: -0.003
Affected products
- Artifex Ghostscript
- Ghostscript — versions all versions of ghostscript 9.x before 9.28
- Fedoraproject Fedora — versions 29, 30, 31
- openSUSE Leap — versions 15.0, 15.1
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2019/11/15/1 (mailing-list, Patch, Mailing List, Third Party Advisory)
- git.ghostscript.com/
- bugs.ghostscript.com/show_bug.cgi (Permissions Required)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- seclists.org/bugtraq/2019/Nov/27 (mailing-list, Mailing List, Third Party Advisory, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00049.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00050.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2019-14869?
- CVE-2019-14869 is a high-severity vulnerability in Artifex Ghostscript, classified under CWE-648. CVSS score: 8.8/10. Published 2019-11-15.
- How severe is CVE-2019-14869?
- High severity. CVSS v3 base score is 8.8 out of 10.