Vulnerability Description
It was found that RHSA-2018:2918 did not fully fix CVE-2018-16509. An attacker could possibly exploit another variant of the flaw and bypass the -dSAFER protection to, for example, execute arbitrary shell commands via a specially crafted PostScript document. This only affects ghostscript 9.07 as shipped with Red Hat Enterprise Linux 7.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Artifex | Ghostscript | 9.07 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.6 |
| Redhat | Enterprise Linux Server Eus | 7.6 |
| Redhat | Enterprise Linux Server Tus | 7.6 |
| Redhat | Enterprise Linux Workstation | 7.0 |
Related Weaknesses (CWE)
References
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=520bb0ea7519
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=5516c614dc33
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=78911a01b67d
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=79cccf641486
- https://access.redhat.com/errata/RHSA-2018:3761Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16863Issue TrackingPatchThird Party Advisory
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=520bb0ea7519
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=5516c614dc33
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=78911a01b67d
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=79cccf641486
- https://access.redhat.com/errata/RHSA-2018:3761Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16863Issue TrackingPatchThird Party Advisory
FAQ
What is CVE-2018-16863?
CVE-2018-16863 is a vulnerability with a CVSS score of 7.3 (HIGH). It was found that RHSA-2018:2918 did not fully fix CVE-2018-16509. An attacker could possibly exploit another variant of the flaw and bypass the -dSAFER protection to, for example, execute arbitrary s...
How severe is CVE-2018-16863?
CVE-2018-16863 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-16863?
Check the references section above for vendor advisories and patch information. Affected products include: Artifex Ghostscript, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus.