CVE-2019-14869
Last modified
CVE-2019-14869 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 3.43% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Artifex | Ghostscript | >= 9.00, < 9.50 |
| Fedoraproject | Fedora | 29 |
| Fedoraproject | Fedora | 30 |
| Fedoraproject | Fedora | 31 |
| Opensuse | Leap | 15.0 |
| Opensuse | Leap | 15.1 |
References
- http://jvn.jp/en/jp/JVN52486659/index.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00049.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00050.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/11/15/1Mailing List, Patch, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0222Third Party Advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=701841Permissions Required
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14869Issue Tracking, Patch, Third Party Advisory
- https://seclists.org/bugtraq/2019/Nov/27Issue Tracking, Mailing List, Third Party Advisory
- http://jvn.jp/en/jp/JVN52486659/index.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00049.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00050.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/11/15/1Mailing List, Patch, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0222Third Party Advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=701841Permissions Required
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14869Issue Tracking, Patch, Third Party Advisory
- https://seclists.org/bugtraq/2019/Nov/27Issue Tracking, Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-14869?
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