Multiple security issues have been found in Thunderbird which could potentially result in the execution of arbitrary code.

An update for thunderbird is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Important. 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 Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 68.3.0.

Security Fix(es) :

* Mozilla: Use-after-free in worker destruction (CVE-2019-17008)

* Mozilla: Memory safety bugs fixed in Firefox 71 and Firefox ESR 68.3 (CVE-2019-17012)

* Mozilla: Buffer overflow in plain text serializer (CVE-2019-17005)

* Mozilla: Use-after-free when performing device orientation checks (CVE-2019-17010)

* Mozilla: Use-after-free when retrieving a document in antitracking (CVE-2019-17011)

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 Oracle Linux 6 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2019-4108 advisory.

  - The plain text serializer used a fixed-size array for the number of <ol> elements it could process;
    however it was possible to overflow the static-sized array leading to memory corruption and a potentially     exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
    (CVE-2019-17005)

  - When using nested workers, a use-after-free could occur during worker destruction. This resulted in a     potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and     Firefox < 71. (CVE-2019-17008)

  - Under certain conditions, when checking the Resist Fingerprinting preference during device orientation     checks, a race condition could have caused a use-after-free and a potentially exploitable crash. This     vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71. (CVE-2019-17010)

  - Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race     condition could cause a use-after-free condition and a potentially exploitable crash. This vulnerability     affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71. (CVE-2019-17011)

  - Mozilla developers reported memory safety bugs present in Firefox 70 and Firefox ESR 68.2. Some of these     bugs showed evidence of memory corruption and we presume that with enough effort some of these could have     been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3,     and Firefox < 71. (CVE-2019-17012)

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

The remote Oracle Linux 6 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2019-4205 advisory.

  - The plain text serializer used a fixed-size array for the number of <ol> elements it could process;
    however it was possible to overflow the static-sized array leading to memory corruption and a potentially     exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
    (CVE-2019-17005)

  - When using nested workers, a use-after-free could occur during worker destruction. This resulted in a     potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and     Firefox < 71. (CVE-2019-17008)

  - Under certain conditions, when checking the Resist Fingerprinting preference during device orientation     checks, a race condition could have caused a use-after-free and a potentially exploitable crash. This     vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71. (CVE-2019-17010)

  - Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race     condition could cause a use-after-free condition and a potentially exploitable crash. This vulnerability     affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71. (CVE-2019-17011)

  - Mozilla developers reported memory safety bugs present in Firefox 70 and Firefox ESR 68.2. Some of these     bugs showed evidence of memory corruption and we presume that with enough effort some of these could have     been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3,     and Firefox < 71. (CVE-2019-17012)

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

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:0292 advisory.

  - Mozilla: Buffer overflow in plain text serializer (CVE-2019-17005)

  - Mozilla: Use-after-free in worker destruction (CVE-2019-17008)

  - Mozilla: Use-after-free when performing device orientation checks (CVE-2019-17010)

  - Mozilla: Use-after-free when retrieving a document in antitracking (CVE-2019-17011)

  - Mozilla: Memory safety bugs fixed in Firefox 71 and Firefox ESR 68.3 (CVE-2019-17012)

  - Mozilla: Bypass of @namespace CSS sanitization during pasting (CVE-2019-17016)

  - Mozilla: Type Confusion in XPCVariant.cpp (CVE-2019-17017)

  - Mozilla: CSS sanitization does not escape HTML tags (CVE-2019-17022)

  - Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4 (CVE-2019-17024)

  - Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement (CVE-2019-17026)

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

ID	Name	Product	Family	Published	Updated	Severity
132082	Debian DSA-4585-1 : thunderbird - security update	Nessus	Debian Local Security Checks	12/17/2019	4/4/2024	high
132401	CentOS 6 : thunderbird (CESA-2019:4205)	Nessus	CentOS Local Security Checks	12/27/2019	4/2/2024	high
180734	Oracle Linux 6 : firefox (ELSA-2019-4108)	Nessus	Oracle Linux Local Security Checks	9/7/2023	9/7/2023	high
180656	Oracle Linux 6 : thunderbird (ELSA-2019-4205)	Nessus	Oracle Linux Local Security Checks	9/7/2023	9/7/2023	high
133384	RHEL 8 : thunderbird (RHSA-2020:0292)	Nessus	Red Hat Local Security Checks	1/31/2020	4/27/2024	high

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