CVE-2017-7814

CVSS V2 Medium 6.8 CVSS V3 High 7.8
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.
Overview
  • CVE ID
  • CVE-2017-7814
  • Assigner
  • security@mozilla.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-06-11T21:29:10
  • Last Modified Date
  • 2018-08-06T16:28:15
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* 1 OR 56.0
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* 1 OR 52.4.0
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* 1 OR 52.4.0
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.mozilla.org/security/advisories/mfsa2017-23/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-22/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-21/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1376036 Issue Tracking Patch Third Party Advisory
https://www.debian.org/security/2017/dsa-4014 Third Party Advisory
https://www.debian.org/security/2017/dsa-3987 Third Party Advisory
https://security.gentoo.org/glsa/201803-14 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2885 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2831 Third Party Advisory
http://www.securitytracker.com/id/1039465 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/101059 Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-7814
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7814
History
Created Old Value New Value Data Type Notes
2022-05-10 18:40:16 Added to TrackCVE
2022-12-03 07:49:15 2018-06-11T21:29Z 2018-06-11T21:29:10 CVE Published Date updated
2022-12-03 07:49:15 2018-08-06T16:28:15 CVE Modified Date updated
2022-12-03 07:49:15 Analyzed Vulnerability Status updated