Vulnerability Description
On Linux, if the secure computing mode BPF (seccomp-bpf) filter is running when the Gecko Media Plugin sandbox is started, the sandbox fails to be applied and items that would run within the sandbox are run protected only by the running filter which is typically weak compared to the sandbox. Note: this issue only affects Linux. Other operating systems are not affected. This vulnerability affects Firefox < 52 and Thunderbird < 52.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 52.0 |
| Linux | Linux Kernel | - |
| Mozilla | Thunderbird | < 52.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/96694Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037966Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1257361Issue TrackingPatchVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-05/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-09/Vendor Advisory
- http://www.securityfocus.com/bid/96694Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037966Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1257361Issue TrackingPatchVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-05/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-09/Vendor Advisory
FAQ
What is CVE-2017-5426?
CVE-2017-5426 is a vulnerability with a CVSS score of 5.3 (MEDIUM). On Linux, if the secure computing mode BPF (seccomp-bpf) filter is running when the Gecko Media Plugin sandbox is started, the sandbox fails to be applied and items that would run within the sandbox a...
How severe is CVE-2017-5426?
CVE-2017-5426 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-5426?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Linux Linux Kernel, Mozilla Thunderbird.