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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
Mozilla Firefox Multiple Bugs Let Remote Users Spoof URLs, Conduct Cross-Site Scripting Attacks, Bypass Security Controls, Obtain Potentially Sensitive Information, and Execute Arbitrary Code and Let Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1039803
SecurityTracker URL:  http://securitytracker.com/id/1039803
CVE Reference:   CVE-2017-7826, CVE-2017-7827, CVE-2017-7828, CVE-2017-7830, CVE-2017-7831, CVE-2017-7832, CVE-2017-7833, CVE-2017-7834, CVE-2017-7835, CVE-2017-7836, CVE-2017-7837, CVE-2017-7838, CVE-2017-7839, CVE-2017-7840, CVE-2017-7842   (Links to External Site)
Date:  Nov 15 2017
Impact:   Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of system information, Modification of user information, User access via local system, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 57.0
Description:   Multiple vulnerabilities were reported in Mozilla Firefox. A remote user can cause arbitrary code to be executed on the target user's system. A remote user can modify data on the target system. A remote user can bypass security controls on the target system. A remote user can obtain potentially sensitive information on the target system. A remote user can spoof URLs. A local user can obtain elevated privileges on the target system.

A remote user can trigger a same-origin policy bypass in the Resource Timing API to view potentially sensitive URLs on the target user's system [CVE-2017-7830].

A remote user can access ostensibly restricted properties via the exposedProps mechanism on proxy objects [CVE-2017-7831].

A remote user can spoof domains via the dotless 'i' characters followed by any of various unicode accents [CVE-2017-7832].

A remote user can spoof domains via Arabic and Indic vowel marker characters combined with Latin characters [CVE-2017-7833].

A remote user can exploit a flaw in the decoding of labels in international domain names to potentially spoof domains [CVE-2017-7838].

A remote user can open 'data:' URLs in new tabs to bypass Content Security Policy and potentially conduct cross-site scripting attacks [CVE-2017-7834].

A remote user can exploit a content blocking flaw to redirect the target user's browser to another site [CVE-2017-7835].

A remote user can use meta tags via SVG loaded as 'img' tags to set cookies for the target page [CVE-2017-7837].

A remote user can use control characters before 'javascript:' URLs to bypass cross-site scripting protections [CVE-2017-7839].

A remote user can cause javascript to be injected into exported bookmarks [CVE-2017-7840].

A remote user can supply specially crafted requests to bypass Referrer Policy for 'link' elements [CVE-2017-7842].

A remote user can create specially crafted content that, when loaded by the target user, will execute arbitrary code on the target user's system.

A use-after-free memory error may occur in PressShell [CVE-2017-7828].

Other memory corruption errors may occur [CVE-2017-7826, CVE-2017-7827].

A local user can invoke Pingsender via the Firefox Health Report to run libcurl with the privileges of the browser and gain elevated privileges on the target system [CVE-2017-7836]. macOS and Linux-based systems are affected.

Andre Bargull, Ben Kelly, Bob Clary, Boris Zbarsky, Byron Campen, Carsten Book, Christian Holler, Corey Bonnell, David Keeler, Eric Lawrence, Ezra Caltum, Gary Kwong, Hanno Bock, Jan de Mooij, Jason Kratzer, Jesse Schwartzentruber, Jet Villegas, Jon Coppeard, Jonathan Kew, Jordi Chancel, Julien Cristau, Jun Kokatsu, Marcia Knous, Nicholas Nethercote, Nils, Oriol Brufau, Philipp, Randell Jesup, Rayyan Bijoora, Ryan VanderMeulen, Ting-Yu Chou, and Tyson Smith reported these vulnerabilities.

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

A remote user can modify data on the target system.

A local user can obtain elevated privileges on the target system.

A remote user can bypass security controls on the target system.

A remote user can obtain potentially sensitive information on the target system.

A remote user can spoof a URL.

Solution:   The vendor has issued a fix (57.0).

The vendor advisory is available at:

https://www.mozilla.org/en-US/security/advisories/mfsa2017-24/

Vendor URL:  www.mozilla.org/en-US/security/advisories/mfsa2017-24/ (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Nov 15 2017 (Mozilla Issues Fix for Firefox ESR) Mozilla Firefox Multiple Bugs Let Remote Users Spoof URLs, Conduct Cross-Site Scripting Attacks, Bypass Security Controls, Obtain Potentially Sensitive Information, and Execute Arbitrary Code and Let Local Users Gain Elevated Privileges
Mozilla has issued a fix for Firefox ESR.
Nov 16 2017 (Ubuntu Issues Fix) Mozilla Firefox Multiple Bugs Let Remote Users Spoof URLs, Conduct Cross-Site Scripting Attacks, Bypass Security Controls, Obtain Potentially Sensitive Information, and Execute Arbitrary Code and Let Local Users Gain Elevated Privileges
Ubuntu has issued a fix for Ubuntu Linux 14.04 LTS, 16.04 LTS, 17.04, and 17.10.
Nov 17 2017 (Red Hat Issues Fix) Mozilla Firefox Multiple Bugs Let Remote Users Spoof URLs, Conduct Cross-Site Scripting Attacks, Bypass Security Controls, Obtain Potentially Sensitive Information, and Execute Arbitrary Code and Let Local Users Gain Elevated Privileges
Red Hat has issued a fix for Red Hat Enterprise Linux 6 and 7.
Nov 18 2017 (Oracle Issues Fix for Oracle Linux) Mozilla Firefox Multiple Bugs Let Remote Users Spoof URLs, Conduct Cross-Site Scripting Attacks, Bypass Security Controls, Obtain Potentially Sensitive Information, and Execute Arbitrary Code and Let Local Users Gain Elevated Privileges
Oracle has issued a fix for Oracle Linux 6 and 7.
Nov 19 2017 (CentOS Issues Fix) Mozilla Firefox Multiple Bugs Let Remote Users Spoof URLs, Conduct Cross-Site Scripting Attacks, Bypass Security Controls, Obtain Potentially Sensitive Information, and Execute Arbitrary Code and Let Local Users Gain Elevated Privileges
CentOS has issued a fix for CentOS 6.
Dec 1 2017 (Ubuntu Issues Fix for Mozilla Thunderbird) Mozilla Firefox Multiple Bugs Let Remote Users Spoof URLs, Conduct Cross-Site Scripting Attacks, Bypass Security Controls, Obtain Potentially Sensitive Information, and Execute Arbitrary Code and Let Local Users Gain Elevated Privileges
Ubuntu has issued a fix for Mozilla Thunderbird for Ubuntu Linux 14.04 LTS, 16.04 LTS, 17.04, and 17.10.
Dec 4 2017 (Red Hat Issues Fix for Mozilla Thunderbird) Mozilla Firefox Multiple Bugs Let Remote Users Spoof URLs, Conduct Cross-Site Scripting Attacks, Bypass Security Controls, Obtain Potentially Sensitive Information, and Execute Arbitrary Code and Let Local Users Gain Elevated Privileges
Red Hat has issued a fix for Mozilla Thunderbird for Red Hat Enterprise Linux 6 and 7.
Dec 5 2017 (Oracle Issues Fix for Oracle Linux for Mozilla Thunderbird) Mozilla Firefox Multiple Bugs Let Remote Users Spoof URLs, Conduct Cross-Site Scripting Attacks, Bypass Security Controls, Obtain Potentially Sensitive Information, and Execute Arbitrary Code and Let Local Users Gain Elevated Privileges
Oracle has issued a fix for Mozilla Thunderbird for Oracle Linux 6 and 7.



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