Security Fix(es) :

  - Mozilla: Type confusion in Array.pop (CVE-2019-11707)

  - Mozilla: Sandbox escape using Prompt:Open     (CVE-2019-11708)

A type confusion bug was discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could exploit this by causing a denial of service, or executing arbirary code. (CVE-2019-11707)

It was discovered that a sandboxed child process could open arbitrary web content in the parent process via the Prompt:Open IPC message.
When combined with another vulnerability, an attacker could potentially exploit this to execute arbitrary code. (CVE-2019-11708).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An update for firefox is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Mozilla Firefox is an open source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 60.7.2 ESR.

Security Fix(es) :

* Mozilla: Type confusion in Array.pop (CVE-2019-11707)

* Mozilla: Sandbox escape using Prompt:Open (CVE-2019-11708)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has firefox packages installed that are affected by multiple vulnerabilities:

  - Insufficient vetting of parameters passed with the     Prompt:Open IPC message between child and parent     processes can result in the non-sandboxed parent process     opening web content chosen by a compromised child     process. When combined with additional vulnerabilities     this could result in executing arbitrary code on the     user's computer. This vulnerability affects Firefox ESR     < 60.7.2, Firefox < 67.0.4, and Thunderbird < 60.7.2.
    (CVE-2019-11708)

  - A type confusion vulnerability can occur when     manipulating JavaScript objects due to issues in     Array.pop. This can allow for an exploitable crash. We     are aware of targeted attacks in the wild abusing this     flaw. This vulnerability affects Firefox ESR < 60.7.1,     Firefox < 67.0.3, and Thunderbird < 60.7.2.
    (CVE-2019-11707)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2019:14124-1 advisory.

  - A type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop.
    This can allow for an exploitable crash. We are aware of targeted attacks in the wild abusing this flaw.
    This vulnerability affects Firefox ESR < 60.7.1, Firefox < 67.0.3, and Thunderbird < 60.7.2.
    (CVE-2019-11707)

  - Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent     processes can result in the non-sandboxed parent process opening web content chosen by a compromised child     process. When combined with additional vulnerabilities this could result in executing arbitrary code on     the user's computer. This vulnerability affects Firefox ESR < 60.7.2, Firefox < 67.0.4, and Thunderbird <     60.7.2. (CVE-2019-11708)

  - Mozilla developers and community members reported memory safety bugs present in Firefox 67 and Firefox ESR     60.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that     some of these could be exploited to run arbitrary code. This vulnerability affects Firefox ESR < 60.8,     Firefox < 68, and Thunderbird < 60.8. (CVE-2019-11709)

  - When an inner window is reused, it does not consider the use of document.domain for cross-origin     protections. If pages on different subdomains ever cooperatively use document.domain, then either page can     abuse this to inject script into arbitrary pages on the other subdomain, even those that did not use     document.domain to relax their origin security. This vulnerability affects Firefox ESR < 60.8, Firefox <     68, and Thunderbird < 60.8. (CVE-2019-11711)

  - POST requests made by NPAPI plugins, such as Flash, that receive a status 308 redirect response can bypass     CORS requirements. This can allow an attacker to perform Cross-Site Request Forgery (CSRF) attacks. This     vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8. (CVE-2019-11712)

  - A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while still in     use, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 60.8, Firefox     < 68, and Thunderbird < 60.8. (CVE-2019-11713)

  - Due to an error while parsing page content, it is possible for properly sanitized user input to be     misinterpreted and lead to XSS hazards on web sites in certain circumstances. This vulnerability affects     Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8. (CVE-2019-11715)

  - A vulnerability exists where the caret (^) character is improperly escaped constructing some URIs due to     it being used as a separator, allowing for possible spoofing of origin attributes. This vulnerability     affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8. (CVE-2019-11717)

  - When importing a curve25519 private key in PKCS#8format with leading 0x00 bytes, it is possible to trigger     an out-of-bounds read in the Network Security Services (NSS) library. This could lead to information     disclosure. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
    (CVE-2019-11719)

  - Empty or malformed p256-ECDH public keys may trigger a segmentation fault due values being improperly     sanitized before being copied into memory and used. This vulnerability affects Firefox ESR < 60.8, Firefox     < 68, and Thunderbird < 60.8. (CVE-2019-11729)

  - A vulnerability exists where if a user opens a locally saved HTML file, this file can use file: URIs to     access other files in the same directory or sub-directories if the names are known or guessed. The Fetch     API can then be used to read the contents of any files stored in these directories and they may uploaded     to a server. It was demonstrated that in combination with a popular Android messaging app, if a malicious     HTML attachment is sent to a user and they opened that attachment in Firefox, due to that app's     predictable pattern for locally-saved file names, it is possible to read attachments the victim received     from other correspondents. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird <     60.8. (CVE-2019-11730)

  - As part of a winning Pwn2Own entry, a researcher demonstrated a sandbox escape by installing a malicious     language pack and then opening a browser feature that used the compromised translation. This vulnerability     affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8. (CVE-2019-9811)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
126434	Scientific Linux Security Update : firefox on SL7.x x86_64 (20190626)	Nessus	Scientific Linux Local Security Checks	7/2/2019	12/6/2022	critical
126465	Ubuntu 16.04 LTS / 18.04 LTS : Thunderbird vulnerabilities (USN-4045-1)	Nessus	Ubuntu Local Security Checks	7/3/2019	10/21/2023	critical
126558	RHEL 8 : firefox (RHSA-2019:1696)	Nessus	Red Hat Local Security Checks	7/9/2019	4/25/2023	critical
127442	NewStart CGSL CORE 5.04 / MAIN 5.04 : firefox Multiple Vulnerabilities (NS-SA-2019-0161)	Nessus	NewStart CGSL Local Security Checks	8/12/2019	4/25/2023	critical
150682	SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2019:14124-1)	Nessus	SuSE Local Security Checks	6/10/2021	4/25/2023	critical

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