Vulnerability Description
psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a JBIG2Decode type confusion.
CVSS Score
7.8
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Artifex | Ghostscript | < 9.26 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Redhat | Openshift Container Platform | 3.11 |
| 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=ef252e7dc214bcbd9a2539
- http://git.ghostscript.com/?p=ghostpdl.git%3Bh=606a22e77e7f081781e99e44644cd0119
- http://www.securityfocus.com/bid/106154Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0229Third Party Advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=700168Issue TrackingPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00036.htmlMailing ListThird Party Advisory
- https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscExploitMitigationThird Party Advisory
- https://usn.ubuntu.com/3831-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4346Third Party Advisory
- https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26Release NotesVendor Advisory
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=ef252e7dc214bcbd9a2539
- http://git.ghostscript.com/?p=ghostpdl.git%3Bh=606a22e77e7f081781e99e44644cd0119
- http://www.securityfocus.com/bid/106154Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
FAQ
What is CVE-2018-19477?
CVE-2018-19477 is a vulnerability with a CVSS score of 7.8 (HIGH). psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a JBIG2Decode type confusion.
How severe is CVE-2018-19477?
CVE-2018-19477 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-19477?
Check the references section above for vendor advisories and patch information. Affected products include: Artifex Ghostscript, Debian Debian Linux, Canonical Ubuntu Linux, Redhat Openshift Container Platform, Redhat Enterprise Linux Desktop.