CVE-2018-18073
MEDIUMCVSS 6.3/10EPSS 2.73%
Last modified
CVE-2018-18073 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. Artifex Ghostscript allows attackers to bypass a sandbox protection mechanism by leveraging exposure of system operators in the saved execution stack in an error object.. EPSS estimates a 2.73% chance of exploitation in the next 30 days.
Description
Artifex Ghostscript allows attackers to bypass a sandbox protection mechanism by leveraging exposure of system operators in the saved execution stack in an error object.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Artifex | Ghostscript | <= 9.25 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 18.10 |
| 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 |
References
- http://packetstormsecurity.com/files/149758/Ghostscript-Exposed-System-Operators.htmlThird Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2018/10/10/12Mailing List, Patch, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3834Third Party Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1690Issue Tracking, Patch, Third Party Advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=699927Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00013.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3803-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4336Third Party Advisory
- http://packetstormsecurity.com/files/149758/Ghostscript-Exposed-System-Operators.htmlThird Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2018/10/10/12Mailing List, Patch, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3834Third Party Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1690Issue Tracking, Patch, Third Party Advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=699927Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00013.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3803-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4336Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-18073?
Artifex Ghostscript allows attackers to bypass a sandbox protection mechanism by leveraging exposure of system operators in the saved execution stack in an error object.
How severe is CVE-2018-18073?
CVE-2018-18073 has a CVSS score of 6.3/10 (MEDIUM severity). The EPSS model estimates a 2.73% probability of exploitation in the next 30 days.
How do I fix CVE-2018-18073?
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.
Are you affected by CVE-2018-18073?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST