Vulnerability Description
File downloads encoded with "blob:" and "data:" URL elements bypassed normal file download checks though the Phishing and Malware Protection feature and its block lists of suspicious sites and files. This would allow malicious sites to lure users into downloading executables that would otherwise be detected as suspicious. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Server Aus | 7.4 |
| Redhat | Enterprise Linux Server Eus | 7.4 |
| Redhat | Enterprise Linux Workstation | 6.0 |
| Mozilla | Firefox | < 52.4.0 |
| Mozilla | Thunderbird | < 52.4.0 |
| Debian | Debian Linux | 7.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/101059Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039465Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2831Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2885Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1376036Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/11/msg00000.htmlThird Party Advisory
- https://security.gentoo.org/glsa/201803-14Third Party Advisory
- https://www.debian.org/security/2017/dsa-3987Third Party Advisory
- https://www.debian.org/security/2017/dsa-4014Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-21/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-22/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-23/Vendor Advisory
- http://www.securityfocus.com/bid/101059Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039465Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2831Third Party Advisory
FAQ
What is CVE-2017-7814?
CVE-2017-7814 is a vulnerability with a CVSS score of 7.8 (HIGH). File downloads encoded with "blob:" and "data:" URL elements bypassed normal file download checks though the Phishing and Malware Protection feature and its block lists of suspicious sites and files. ...
How severe is CVE-2017-7814?
CVE-2017-7814 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-7814?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus, Redhat Enterprise Linux Workstation.