Multiple Critical Vulnerabilities Fixed With Firefox 62 and Firefox ESR 60.2

Mozilla Firefox 62 and Firefox ESR 60.2 covers multiple critical vulnerabilities with Firefox and Firefox ESR. These vulnerabilities allow a remote attacker to get access to the system.

Firefox ESR used system administrators in large organizations who want to manage their client desktops, including schools, businesses.

Mozilla Security Updates – Firefox 62

CVE-2018-12376: A memory corruption bug reported by Mozilla developers and community in Firefox 61 and Firefox ESR 60.1, which could be exploited by attackers to run arbitrary code. Now it has been fixed with Firefox 62 and Firefox ESR 60.2.

CVE-2018-12375: Another memory corruption bug in Firefox 61 which allows attackers to execute the arbitrary code. It has been fixed with Firefox 62.

CVE-2018-12377: The bug was reported by Nils in both Firefox and Firefox ESR, the use-after-free vulnerability resides in driver refresh timers. when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted and results in the crash. Now the vulnerability has been fixed with Firefox 62 and Firefox ESR 60.2.

CVE-2018-12378: The use-after-free vulnerability occurs if IndexedDB index is deleted when javascript is used, it could result in a potential crash. Now the vulnerability has been fixed with Firefox 62 and Firefox ESR 60.2.

CVE-2018-12379: The Mozilla updater uses a MAR file that usually has the shortcuts of reports created by the program, the bug resides in handling MAR format file which contains a very long item filename that triggers out-of-bounds write leads to a potentially exploitable crash. It has been fixed with the recent version of Firefox and Firefox ESR.

CVE-2017-16541: By using the automount feature with autofs the browser proxy settings can be bypassed by creating a local file system and the vulnerability has been fixed with Firefox 62 and Firefox ESR 60.2.

CVE-2018-12381: Dragging and dropping Outlook email message results in page navigation, it affects both Firefox and Firefox ESR.

CVE-2018-12382: Address bar spoofing with javascript URI on Firefox for Android.

CVE-2018-12383: Setting a master password post-Firefox 58 does not delete unencrypted previously stored passwords.

Security Advisory for Firefox 62 and Firefox ESR 60.2 can be found here.

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