Test ID:	1.3.6.1.4.1.25623.1.2.1.2020.16
Category:	General
Title:	Mozilla Firefox Security Advisory (MFSA2020-16) - Linux
Summary:	This host is missing a security update for Mozilla Firefox.
Description:	Summary: This host is missing a security update for Mozilla Firefox. Vulnerability Insight: CVE-2020-12387: Use-after-free during worker shutdown A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. CVE-2020-6831: Buffer overflow in SCTP chunk input validation A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. CVE-2020-12390: Incorrect serialization of nsIPrincipal.origin for IPv6 addresses Incorrect origin serialization of URLs with IPv6 addresses could lead to incorrect security checks CVE-2020-12391: Content-Security-Policy bypass using object elements Documents formed using data: URLs in an object element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. CVE-2020-12392: Arbitrary local file access with 'Copy as cURL' The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP POST data of a request, which can be controlled by the website. If a user used the 'Copy as cURL' feature and pasted the command into a terminal, it could have resulted in the disclosure of local files. CVE-2020-12394: URL spoofing in location bar when unfocussed A logic flaw in our location bar implementation could have allowed a local attacker to spoof the current location by selecting a different origin and removing focus from the input element. CVE-2020-12395: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8 Mozilla developers and community members Alexandru Michis, Jason Kratzer, philipp, Ted Campbell, Bas Schouten, Andre Bargull, and Karl Tomlinson reported memory safety bugs present in Firefox 75 and Firefox ESR 68.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have ... [Please see the references for more information on the vulnerabilities] Affected Software/OS: Firefox version(s) below 76. Solution: The vendor has released an update. Please see the reference(s) for more information. CVSS Score: 10.0 CVSS Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2020-12387 https://bugzilla.mozilla.org/show_bug.cgi?id=1545345 https://security.gentoo.org/glsa/202005-03 https://security.gentoo.org/glsa/202005-04 https://www.mozilla.org/security/advisories/mfsa2020-16/ https://www.mozilla.org/security/advisories/mfsa2020-17/ https://www.mozilla.org/security/advisories/mfsa2020-18/ https://usn.ubuntu.com/4373-1/ Common Vulnerability Exposure (CVE) ID: CVE-2020-12390 https://bugzilla.mozilla.org/show_bug.cgi?id=1141959 Common Vulnerability Exposure (CVE) ID: CVE-2020-12391 https://bugzilla.mozilla.org/show_bug.cgi?id=1457100 Common Vulnerability Exposure (CVE) ID: CVE-2020-12392 https://bugzilla.mozilla.org/show_bug.cgi?id=1614468 Common Vulnerability Exposure (CVE) ID: CVE-2020-12394 https://bugzilla.mozilla.org/show_bug.cgi?id=1628288 Common Vulnerability Exposure (CVE) ID: CVE-2020-12395 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1595886%2C1611482%2C1614704%2C1624098%2C1625749%2C1626382%2C1628076%2C1631508 Common Vulnerability Exposure (CVE) ID: CVE-2020-12396 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1339601%2C1611938%2C1620488%2C1622291%2C1627644 Common Vulnerability Exposure (CVE) ID: CVE-2020-6831 Debian Security Information: DSA-4714 (Google Search) https://www.debian.org/security/2020/dsa-4714 http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html https://bugzilla.mozilla.org/show_bug.cgi?id=1632241 SuSE Security Announcement: openSUSE-SU-2020:0917 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html
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