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.

Score

CVSS 3.1 8.8 High

Status

Modified - secalert@redhat.com

Published

2019-11-15

Last modified

2024-08-05

Weaknesses

CWE-648, CWE-732

Affected products

• Ghostscript (Artifex)
• Fedora (Fedoraproject)
• Ghostscript (Ghostscript)
• Leap (Opensuse)

References

• 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%3Ba=commitdiff%3Bh=485904772c5f
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2Q4E3OTDAJRSUCOBTDQO7Y…
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HC4REO73BEJOJAU7NHFHJE…
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IX55AEDERTDFEZAROKZW64…
• https://seclists.org/bugtraq/2019/Nov/27