Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Artifex | Ghostscript | >= 9.00, < 9.50 |
| Fedoraproject | Fedora | 29 |
| Opensuse | Leap | 15.0 |
Related Weaknesses (CWE)
References
- http://jvn.jp/en/jp/JVN52486659/index.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00049.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00050.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2019/11/15/1Mailing ListPatchThird 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 TrackingPatchThird Party Advisory
- https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=485904772c5f
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://seclists.org/bugtraq/2019/Nov/27Issue TrackingMailing ListThird Party Advisory
- http://jvn.jp/en/jp/JVN52486659/index.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00049.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00050.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2019-14869?
CVE-2019-14869 is a vulnerability with a CVSS score of 8.8 (HIGH). 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` restrictio...
How severe is CVE-2019-14869?
CVE-2019-14869 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-14869?
Check the references section above for vendor advisories and patch information. Affected products include: Artifex Ghostscript, Fedoraproject Fedora, Opensuse Leap.