Vulnerability Details : CVE-2017-7808
A content security policy (CSP) "frame-ancestors" directive containing origins with paths allows for comparisons against those paths instead of the origin. This results in a cross-origin information leak of this path information. This vulnerability affects Firefox < 55.
Vulnerability category: Information leak
Products affected by CVE-2017-7808
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-7808
0.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-7808
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
5.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2017-7808
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
-
The product does not properly verify that the source of data or communication is valid.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-7808
-
https://www.mozilla.org/security/advisories/mfsa2017-18/
Security vulnerabilities fixed in Firefox 55 — MozillaVendor Advisory
-
http://www.securityfocus.com/bid/100373
Mozilla Firefox CVE-2017-7808 Information Disclosure VulnerabilityThird Party Advisory;VDB Entry
-
http://www.securitytracker.com/id/1039124
Mozilla Firefox Multiple Bugs Let Remote Users Spoof Content, Obtain Potentially Sensitive Information, Deny Service and Execute Arbitrary Code - SecurityTrackerThird Party Advisory;VDB Entry
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1367531
1367531 - (CVE-2017-7808) CSP frame-ancestors should not compare paths per CSP-3Issue Tracking;Patch;Vendor Advisory
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