The PS Interpreter in Ghostscript 9.18 and 9.20 allows remote attackers to execute arbitrary code via crafted userparams.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-7976 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 7.1 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Changed |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | Low |
| Platform | Package | State |
|---|---|---|
| Red Hat OpenShift Enterprise 2 | ghostscript | Not affected |
| Red Hat Enterprise Linux 7 | ghostscript | Not affected |
| Red Hat Enterprise Linux 6 | ghostscript | Not affected |
| Red Hat Enterprise Linux 5 | ghostscript | Not affected |
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