Vulnerability Description
An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content. The "ClearKeyDecryptor" code runs within the Gecko Media Plugin (GMP) sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data within memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 7.0 |
| Redhat | Enterprise Linux | 6.0 |
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Server Aus | 7.3 |
| Redhat | Enterprise Linux Server Eus | 7.3 |
| Redhat | Enterprise Linux Workstation | 6.0 |
| Mozilla | Firefox | < 45.9.0 |
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-2017:1104Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1106Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1346648Issue TrackingVendor Advisory
- https://www.debian.org/security/2017/dsa-3831Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-10/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-11/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-2017:1104Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1106Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1346648Issue TrackingVendor Advisory
- https://www.debian.org/security/2017/dsa-3831Third Party Advisory
FAQ
What is CVE-2017-5448?
CVE-2017-5448 is a vulnerability with a CVSS score of 8.6 (HIGH). An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content. The "ClearKeyDecryptor" code runs within the Gecko Media Plugin (GMP) sandbox. If a second mechani...
How severe is CVE-2017-5448?
CVE-2017-5448 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-5448?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus.