CVE-2019-3835
MEDIUMCVSS 5.5/10EPSS 2.64%
Last modified
CVE-2019-3835 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. It was found that the superexec operator was available in the internal dictionary in ghostscript before 9.27. A specially crafted PostScript file could use this flaw in order to, for example, have access to the file system outside of the constrains imposed by -dSAFER.. EPSS estimates a 2.64% chance of exploitation in the next 30 days.
Description
It was found that the superexec operator was available in the internal dictionary in ghostscript before 9.27. A specially crafted PostScript file could use this flaw in order to, for example, have access to the file system outside of the constrains imposed by -dSAFER.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Artifex | Ghostscript | < 9.27 |
| Redhat | Ansible Tower | 3.3 |
| 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 |
| Fedoraproject | Fedora | 28 |
| Fedoraproject | Fedora | 29 |
| Fedoraproject | Fedora | 30 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Opensuse | Leap | 15.0 |
| Opensuse | Leap | 15.1 |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00088.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00090.htmlMailing List, Third Party Advisory
- http://packetstormsecurity.com/files/152367/Slackware-Security-Advisory-ghostscript-Updates.htmlThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/107855Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:0652Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0971Third Party Advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=700585Permissions Required, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3835Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/04/msg00021.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Apr/28Mailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Apr/4Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202004-03Third Party Advisory
- https://www.debian.org/security/2019/dsa-4432Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00088.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00090.htmlMailing List, Third Party Advisory
- http://packetstormsecurity.com/files/152367/Slackware-Security-Advisory-ghostscript-Updates.htmlThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/107855Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:0652Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0971Third Party Advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=700585Permissions Required, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3835Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/04/msg00021.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Apr/28Mailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Apr/4Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202004-03Third Party Advisory
- https://www.debian.org/security/2019/dsa-4432Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-3835?
It was found that the superexec operator was available in the internal dictionary in ghostscript before 9.27. A specially crafted PostScript file could use this flaw in order to, for example, have access to the file system outside of the constrains imposed by -dSAFER.
How severe is CVE-2019-3835?
CVE-2019-3835 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 2.64% probability of exploitation in the next 30 days.
How do I fix CVE-2019-3835?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2019-3835?
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