National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-5118 Detail

Current Description

The screenshot images displayed in the Activity Stream page displayed when a new tab is opened is created from the meta tags of websites. An issue was discovered where the page could attempt to create these images through "file:" URLs from the local file system. This loading is blocked by the sandbox but could expose local data if combined with another attack that escapes sandbox protections. This vulnerability affects Firefox < 58.

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): Low
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/102786 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1040270 Third Party Advisory VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1420049 Issue Tracking
https://usn.ubuntu.com/3544-1/ Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-02/ Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Information Leak / Disclosure (CWE-200)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-5118
NVD Published Date:
06/11/2018
NVD Last Modified:
06/25/2018