Vulnerability Details : CVE-2017-5386
Potential exploit
WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR < 45.7 and Firefox < 51.
Vulnerability category: Gain privilege
Products affected by CVE-2017-5386
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-5386
1.19%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-5386
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
7.3
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
3.9
|
3.4
|
NIST |
References for CVE-2017-5386
-
https://www.mozilla.org/security/advisories/mfsa2017-01/
Security vulnerabilities fixed in Firefox 51 — MozillaVendor Advisory
-
https://security.gentoo.org/glsa/201702-22
Mozilla Firefox: Multiple vulnerabilities (GLSA 201702-22) — Gentoo securityThird Party Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1319070
1319070 - (CVE-2017-5386) Web Extension's data: scheme pages can be controlled by other extensionsExploit;Issue Tracking;Patch;Vendor Advisory
-
http://rhn.redhat.com/errata/RHSA-2017-0190.html
RHSA-2017:0190 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2017-02/
Security vulnerabilities fixed in Firefox ESR 45.7 — MozillaVendor Advisory
-
https://www.debian.org/security/2017/dsa-3771
Debian -- Security Information -- DSA-3771-1 firefox-esrThird Party Advisory
-
http://www.securitytracker.com/id/1037693
Mozilla Firefox Multiple Bugs Let Remote Users Bypass Security Restrictions, Spoof URLs, Obtain Potentially Sensitive Information, and Execute Arbitrary Code - SecurityTrackerThird Party Advisory;VDB Entry
-
http://www.securityfocus.com/bid/95769
Mozilla Firefox Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
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