CVE-2017-7843

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
When Private Browsing mode is used, it is possible for a web worker to write persistent data to IndexedDB and fingerprint a user uniquely. IndexedDB should not be available in Private Browsing mode and this stored data will persist across multiple private browsing mode sessions because it is not cleared when exiting. This vulnerability affects Firefox ESR < 52.5.2 and Firefox < 57.0.1.
Overview
  • CVE ID
  • CVE-2017-7843
  • Assigner
  • security@mozilla.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-06-11T21:29:11
  • Last Modified Date
  • 2018-08-06T16:35:16
Weakness Enumerations
CWE URL
CWE-200 http://cwe.mitre.org/data/definitions/200.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
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
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* 1 OR 57.0.1
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* 1 OR 52.5.2
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
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.mozilla.org/security/advisories/mfsa2017-28/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-27/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1410106 Exploit Issue Tracking Third Party Advisory
https://www.debian.org/security/2017/dsa-4062 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00003.html Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:3382 Third Party Advisory
http://www.securitytracker.com/id/1039954 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/102112 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/102039 Issue Tracking Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-7843
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7843
History
Created Old Value New Value Data Type Notes
2022-05-10 18:40:16 Added to TrackCVE
2022-12-03 07:50:53 2018-06-11T21:29Z 2018-06-11T21:29:11 CVE Published Date updated
2022-12-03 07:50:53 2018-08-06T16:35:16 CVE Modified Date updated
2022-12-03 07:50:53 Analyzed Vulnerability Status updated