Vulnerability Description
A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message. This allows for read and write access to the local file system. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.3 |
| Redhat | Enterprise Linux Server Eus | 7.3 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Mozilla | Firefox | < 53.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/97940Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038320Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:1106Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1344415ExploitIssue TrackingPatch
- https://www.mozilla.org/security/advisories/mfsa2017-10/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-12/Vendor Advisory
- http://www.securityfocus.com/bid/97940Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038320Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:1106Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1344415ExploitIssue TrackingPatch
- https://www.mozilla.org/security/advisories/mfsa2017-10/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-12/Vendor Advisory
FAQ
What is CVE-2017-5456?
CVE-2017-5456 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message. This allows for read and write access to the local file system. Th...
How severe is CVE-2017-5456?
CVE-2017-5456 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-5456?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Enterprise Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus.