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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
(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
SecurityTracker Alert ID:  1039841
SecurityTracker URL:  http://securitytracker.com/id/1039841
CVE Reference:   CVE-2017-7826, CVE-2017-7828, CVE-2017-7830   (Links to External Site)
Date:  Nov 19 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:   CentOS has issued a fix for CVE-2017-7826, CVE-2017-7828, and CVE-2017-7830.

i386:
d7077384cc2593c8bc462d76e5167ba9e8fd9bcc517c8ce01dc110ad259b7d6b firefox-52.5.0-1.el6.centos.i686.rpm

x86_64:
d7077384cc2593c8bc462d76e5167ba9e8fd9bcc517c8ce01dc110ad259b7d6b firefox-52.5.0-1.el6.centos.i686.rpm
61d760be7c4fc39ea73792b64bf1c795f2e69cb3da13897e2b3b0e60506f7648 firefox-52.5.0-1.el6.centos.x86_64.rpm

Source:
e1f638e27bac1f4aec6cbbec91a0bfda495c77f6f1089771cb7e45df32f1a616 firefox-52.5.0-1.el6.centos.src.rpm

x86_64:
69d18c12d8754992222e09d20142293882e45d27e6998df7ea6a4134da97e11d firefox-52.5.0-1.el7.centos.i686.rpm
3fea84e873702db7febafaf1677c89d7038127c3280921b6e8498911618eb4a7 firefox-52.5.0-1.el7.centos.x86_64.rpm

Source:
25633241b2c7d527db4cb389b1fb9a57e8b82cebc8c3794043eb0ddb074438d8 firefox-52.5.0-1.el7.centos.src.rpm

Cause:   Access control error, Input validation error
Underlying OS:  Linux (CentOS)
Underlying OS Comments:  6

Message History:   This archive entry is a follow-up to the message listed below.
Nov 15 2017 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



 Source Message Contents

Subject:  [CentOS-announce] CESA-2017:3247 Critical CentOS 6 firefox Security Update


CentOS Errata and Security Advisory 2017:3247 Critical

Upstream details at : https://access.redhat.com/errata/RHSA-2017:3247

The following updated files have been uploaded and are currently 
syncing to the mirrors: ( sha256sum Filename ) 

i386:
d7077384cc2593c8bc462d76e5167ba9e8fd9bcc517c8ce01dc110ad259b7d6b  firefox-52.5.0-1.el6.centos.i686.rpm

x86_64:
d7077384cc2593c8bc462d76e5167ba9e8fd9bcc517c8ce01dc110ad259b7d6b  firefox-52.5.0-1.el6.centos.i686.rpm
61d760be7c4fc39ea73792b64bf1c795f2e69cb3da13897e2b3b0e60506f7648  firefox-52.5.0-1.el6.centos.x86_64.rpm

Source:
e1f638e27bac1f4aec6cbbec91a0bfda495c77f6f1089771cb7e45df32f1a616  firefox-52.5.0-1.el6.centos.src.rpm



-- 
Johnny Hughes
CentOS Project { http://www.centos.org/ }
irc: hughesjr, #centos@irc.freenode.net
Twitter: @JohnnyCentOS

_______________________________________________
CentOS-announce mailing list
CentOS-announce@centos.org
https://lists.centos.org/mailman/listinfo/centos-announce
 
 


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