Bug 1677581 (CVE-2019-3838)
| Summary: | CVE-2019-3838 ghostscript: forceput in DefineResource is still accessible (700576) | ||
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| Product: | [Other] Security Response | Reporter: | Cedric Buissart <cbuissar> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | unspecified | CC: | deekej, mosvald, security-response-team, twaugh, zdohnal |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | ghostscript 9.27 | Doc Type: | If docs needed, set a value |
| Doc Text: |
It was found that the forceput operator could be extracted from the DefineResource method. 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.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2019-05-07 19:21:29 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 1680025, 1680026, 1691326, 1691414, 1693805 | ||
| Bug Blocks: | 1673302 | ||
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Description
Cedric Buissart
2019-02-15 09:53:22 UTC
External References: https://bugs.ghostscript.com/show_bug.cgi?id=700576 Mitigation: Please refer to the "Mitigation" section of CVE-2018-16509 : https://access.redhat.com/security/cve/cve-2018-16509 The following upstream fixes resolve the issue : https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=ed9fcd95bb01 https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=a82601e8f95a Acknowledgments: Name: Cedric Buissart (Red Hat) Created ghostscript tracking bugs for this issue: Affects: fedora-all [bug 1691326] This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2019:0633 https://access.redhat.com/errata/RHSA-2019:0633 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2019:0971 https://access.redhat.com/errata/RHSA-2019:0971 |