National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2017-7808 Detail

Current Description

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.

Source:  MITRE
Description Last Modified:  06/11/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.3 MEDIUM
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N (V3 legend)
Impact Score: 1.4
Exploitability Score: 3.9

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/100373 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039124 Third Party Advisory VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1367531 Issue Tracking Patch Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-18/ Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Information Leak / Disclosure (CWE-200)
  • Origin Validation Error (CWE-346)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*    versions up to (excluding) 55.0

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-7808
NVD Published Date:
06/11/2018
NVD Last Modified:
08/09/2018