psi/zdevice2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because available stack space is not checked when the device remains the same.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-19475 from the MITRE CVE dictionary dictionary and NIST NVD.
Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Important, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
CVSS3 Base Score | 7.3 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
Attack Vector | Network |
Attack Complexity | Low |
Privileges Required | None |
User Interaction | None |
Scope | Unchanged |
Confidentiality | Low |
Integrity Impact | Low |
Availability Impact | Low |
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | ghostscript | Affected |
Red Hat Enterprise Linux 6 | ghostscript | Will not fix |
Red Hat Enterprise Linux 5 | ghostscript | Will not fix |
Please refer to the "Mitigation" section of CVE-2018-16509 : https://access.redhat.com/security/cve/cve-2018-16509