CVE-2017-7814

Summary

CVECVE-2017-7814
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-06-11 21:29:00 UTC
Updated2018-08-06 16:28:00 UTC
DescriptionFile 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.

Risk And Classification

Problem Types: CWE-20

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 7.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Debian Debian Linux 7.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Application Mozilla Firefox All All All All
Application Mozilla Firefox All All All All
Application Mozilla Firefox Esr All All All All
Application Mozilla Firefox Esr All All All All
Application Mozilla Thunderbird All All All All
Application Mozilla Thunderbird All All All All
Operating System Redhat Enterprise Linux Desktop 6.0 All All All
Operating System Redhat Enterprise Linux Desktop 7.0 All All All
Operating System Redhat Enterprise Linux Desktop 6.0 All All All
Operating System Redhat Enterprise Linux Desktop 7.0 All All All
Operating System Redhat Enterprise Linux Server 6.0 All All All
Operating System Redhat Enterprise Linux Server 7.0 All All All
Operating System Redhat Enterprise Linux Server 6.0 All All All
Operating System Redhat Enterprise Linux Server 7.0 All All All
Operating System Redhat Enterprise Linux Server Aus 7.4 All All All
Operating System Redhat Enterprise Linux Server Aus 7.4 All All All
Operating System Redhat Enterprise Linux Server Eus 7.4 All All All
Operating System Redhat Enterprise Linux Server Eus 7.5 All All All
Operating System Redhat Enterprise Linux Server Eus 7.4 All All All
Operating System Redhat Enterprise Linux Server Eus 7.5 All All All
Operating System Redhat Enterprise Linux Workstation 6.0 All All All
Operating System Redhat Enterprise Linux Workstation 7.0 All All All
Operating System Redhat Enterprise Linux Workstation 6.0 All All All
Operating System Redhat Enterprise Linux Workstation 7.0 All All All

References

ReferenceSourceLinkTags
Mozilla Firefox Multiple Bugs Let Remote Users Spoof URLs, Conduct Cross-Site Scripting Attacks, Obtain Potentially Sensitive Information, and Execute Arbitrary Code - SecurityTracker SECTRACK www.securitytracker.com Third Party Advisory, VDB Entry
1376036 - (CVE-2017-7814) Application Reputation checks don't cover blob: and data: URLs CONFIRM bugzilla.mozilla.org Issue Tracking, Patch, Third Party Advisory
Security vulnerabilities fixed in Firefox 56 — Mozilla CONFIRM www.mozilla.org Vendor Advisory
Red Hat Customer Portal REDHAT access.redhat.com Third Party Advisory
Debian -- Security Information -- DSA-4014-1 thunderbird DEBIAN www.debian.org Third Party Advisory
Security vulnerabilities fixed in Firefox ESR 52.4 — Mozilla CONFIRM www.mozilla.org Vendor Advisory
Red Hat Customer Portal REDHAT access.redhat.com Third Party Advisory
[SECURITY] [DLA 1153-1] icedove/thunderbird security update MLIST lists.debian.org Third Party Advisory
Security vulnerabilities fixed in Thunderbird 52.4 — Mozilla CONFIRM www.mozilla.org Vendor Advisory
Debian -- Security Information -- DSA-3987-1 firefox-esr DEBIAN www.debian.org Third Party Advisory
Mozilla Thunderbird: Multiple vulnerabilities (GLSA 201803-14) — Gentoo security GENTOO security.gentoo.org Third Party Advisory
Mozilla Firefox and Firefox ESR Multiple Security Vulnerabilities BID www.securityfocus.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 378203 Virtuozzo Linux Security Update for firefox (VZLSA-2017:2831)
  • 378306 Virtuozzo Linux Security Update for thunderbird (VZLSA-2017:2885)
  • 710287 Gentoo Linux Mozilla Firefox Multiple Vulnerabilities (GLSA 201802-03)
  • 710303 Gentoo Linux Mozilla Thunderbird Multiple Vulnerabilities (GLSA 201803-14)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report