CVE-2019-14869
First published: Tue Nov 05 2019(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/ghostscript | <9.50 | 9.50 |
| Ghostscript | >=9.00<9.50 | |
| Fedora | =29 | |
| Fedora | =30 | |
| Fedora | =31 | |
| SUSE Linux | =15.0 | |
| SUSE Linux | =15.1 |
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Reference Links
- http://jvn.jp/en/jp/JVN52486659/index.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00049.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00050.html
- http://www.openwall.com/lists/oss-security/2019/11/15/1
- https://access.redhat.com/errata/RHSA-2020:0222
- https://bugs.ghostscript.com/show_bug.cgi?id=701841
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14869
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=485904772c5f
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2Q4E3OTDAJRSUCOBTDQO7Y5UTE2FFMLF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HC4REO73BEJOJAU7NHFHJECAUAYJUE3H/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IX55AEDERTDFEZAROKZW64MZRPLINEGI/
- https://seclists.org/bugtraq/2019/Nov/27
- https://access.redhat.com/security/cve/CVE-2018-16509
- https://access.redhat.com/security/cve/cve-2018-16509
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1772486
- https://access.redhat.com/errata/RHSA-2019:3888
- https://access.redhat.com/security/cve/cve-2019-14869
- https://access.redhat.com/errata/RHSA-2019:3890
- https://bugzilla.redhat.com/show_bug.cgi?id=1768911
- https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=485904772c5f
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IX55AEDERTDFEZAROKZW64MZRPLINEGI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HC4REO73BEJOJAU7NHFHJECAUAYJUE3H/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2Q4E3OTDAJRSUCOBTDQO7Y5UTE2FFMLF/
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2019-14869.
What is the severity of CVE-2019-14869?
The severity of CVE-2019-14869 is high.
What is the affected software?
The affected software is Artifex Ghostscript version 9.x before 9.50, Fedoraproject Fedora versions 29, 30, and 31, openSUSE Leap versions 15.0 and 15.1.
How can an attacker exploit CVE-2019-14869?
An attacker can exploit CVE-2019-14869 by creating a specially crafted PostScript file that could bypass `-dSAFER` restrictions.
What is the remedy for CVE-2019-14869?
The remedy for CVE-2019-14869 is to update to version 9.50 of Artifex Ghostscript.
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- package-manager/redhat
- vendor/artifex
- canonical/ghostscript
- version/ghostscript/9.00
- vendor/fedoraproject
- canonical/fedora
- version/fedora/29
- version/fedora/30
- version/fedora/31
- vendor/opensuse
- canonical/suse linux
- version/suse linux/15.0
- version/suse linux/15.1