CVE-2017-5456
UnknownEPSS 2.77%
Last modified
CVE-2017-5456 is a vulnerability of currently unknown severity. 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. EPSS estimates a 2.77% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| 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 Aus | 7.4 |
| Redhat | Enterprise Linux Server Eus | 7.3 |
| Redhat | Enterprise Linux Server Eus | 7.4 |
| Redhat | Enterprise Linux Server Eus | 7.5 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Mozilla | Firefox | < 53.0 |
| Mozilla | Firefox | < 52.1.0 |
References
- http://www.securityfocus.com/bid/97940Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038320Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1106Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1344415Exploit, Issue Tracking, Patch, Vendor Advisory
- 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 Advisory, VDB Entry
- http://www.securitytracker.com/id/1038320Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1106Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1344415Exploit, Issue Tracking, Patch, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-10/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-12/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-5456?
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.
How severe is CVE-2017-5456?
Severity scoring for CVE-2017-5456 is pending analysis. The EPSS model estimates a 2.77% probability of exploitation in the next 30 days.
How do I fix CVE-2017-5456?
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-2017-5456?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST