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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
(Ubuntu Issues Fix) Mozilla Firefox HTML Sanitization Flaws in Chrome Privileged Documents May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1040313
SecurityTracker URL:  http://securitytracker.com/id/1040313
CVE Reference:   CVE-2018-5124   (Links to External Site)
Date:  Feb 1 2018
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Mozilla Firefox. A remote user can cause arbitrary code to be executed on the target user's system.

The browser does not properly sanitize HTML fragments in chrome-privileged documents. A remote user may be able to create specially crafted content that, when loaded by the target user, will execute arbitrary code on the target user's system.

Johann Hofmann reported this vulnerability.

Impact:   A remote user can create content that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

https://www.ubuntu.com/usn/usn-3552-1

Vendor URL:  www.ubuntu.com/usn/usn-3552-1 (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  14.04 LTS, 16.04 LTS, 17.10

Message History:   This archive entry is a follow-up to the message listed below.
Jan 30 2018 Mozilla Firefox HTML Sanitization Flaws in Chrome Privileged Documents May Let Remote Users Execute Arbitrary Code



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