OpenPGP secret keys that were imported using Thunderbird version 78.8.1 up to version 78.10.1 were stored unencrypted on the user's local disk. The master password protection was inactive for those keys. Version 78.10.2 will restore the protection mechanism for newly imported keys, and will automatically protect keys that had been imported using affected Thunderbird versions. This vulnerability affects Thunderbird < 78.10.2.

The remote CentOS Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:2263 advisory.

  - OpenPGP secret keys that were imported using Thunderbird version 78.8.1 up to version 78.10.1 were stored     unencrypted on the user's local disk. The master password protection was inactive for those keys. Version     78.10.2 will restore the protection mechanism for newly imported keys, and will automatically protect keys     that had been imported using affected Thunderbird versions. This vulnerability affects Thunderbird <     78.10.2. (CVE-2021-29956)

  - If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an     additional unprotected part, Thunderbird did not indicate that only parts of the message are protected.
    This vulnerability affects Thunderbird < 78.10.2. (CVE-2021-29957)

  - Mozilla developers reported memory safety bugs present in Firefox 88 and Firefox ESR 78.11. 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 < 78.11, Firefox < 89, and     Firefox ESR < 78.11. (CVE-2021-29967)

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

This plugin has been deprecated as it does not adhere to established standards for this style of check.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:2262 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    This update upgrades Thunderbird to version 78.11.0.

    Security Fix(es):

    * Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11 (CVE-2021-29967)

    * Mozilla: Thunderbird stored OpenPGP secret keys without master password protection (CVE-2021-29956)

    * Mozilla: Partial protection of inline OpenPGP message not indicated (CVE-2021-29957)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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-2021:2264 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    This update upgrades Thunderbird to version 78.11.0.

    Security Fix(es):

    * Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11 (CVE-2021-29967)

    * Mozilla: Thunderbird stored OpenPGP secret keys without master password protection (CVE-2021-29956)

    * Mozilla: Partial protection of inline OpenPGP message not indicated (CVE-2021-29957)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2021:2264 advisory.

  - OpenPGP secret keys that were imported using Thunderbird version 78.8.1 up to version 78.10.1 were stored     unencrypted on the user's local disk. The master password protection was inactive for those keys. Version     78.10.2 will restore the protection mechanism for newly imported keys, and will automatically protect keys     that had been imported using affected Thunderbird versions. This vulnerability affects Thunderbird <     78.10.2. (CVE-2021-29956)

  - If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an     additional unprotected part, Thunderbird did not indicate that only parts of the message are protected.
    This vulnerability affects Thunderbird < 78.10.2. (CVE-2021-29957)

  - Mozilla developers reported memory safety bugs present in Firefox 88 and Firefox ESR 78.11. 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 < 78.11, Firefox < 89, and     Firefox ESR < 78.11. (CVE-2021-29967)

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 SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:1854-1 advisory.

  - Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import     task. If the task runs into a failure, the secret key may remain in memory in its unprotected state. This     vulnerability affects Thunderbird < 78.8.1. (CVE-2021-29950)

  - The Mozilla Maintenance Service granted SERVICE_START access to BUILTIN|Users which, in a domain network,     grants normal remote users access to start or stop the service. This could be used to prevent the browser     update service from operating (if an attacker spammed the 'Stop' command); but also exposed attack surface     in the maintenance service. *Note: This issue only affected Windows operating systems older than Win 10     build 1709. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.10.1,     Firefox < 87, and Firefox ESR < 78.10.1. (CVE-2021-29951)

  - OpenPGP secret keys that were imported using Thunderbird version 78.8.1 up to version 78.10.1 were stored     unencrypted on the user's local disk. The master password protection was inactive for those keys. Version     78.10.2 will restore the protection mechanism for newly imported keys, and will automatically protect keys     that had been imported using affected Thunderbird versions. This vulnerability affects Thunderbird <     78.10.2. (CVE-2021-29956)

  - If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an     additional unprotected part, Thunderbird did not indicate that only parts of the message are protected.
    This vulnerability affects Thunderbird < 78.10.2. (CVE-2021-29957)

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

The version of thunderbird installed on the remote host is prior to 78.11.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2021-1681 advisory.

  - OpenPGP secret keys that were imported using Thunderbird version 78.8.1 up to version 78.10.1 were stored     unencrypted on the user's local disk. The master password protection was inactive for those keys. Version     78.10.2 will restore the protection mechanism for newly imported keys, and will automatically protect keys     that had been imported using affected Thunderbird versions. This vulnerability affects Thunderbird <     78.10.2. (CVE-2021-29956)

  - If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an     additional unprotected part, Thunderbird did not indicate that only parts of the message are protected.
    This vulnerability affects Thunderbird < 78.10.2. (CVE-2021-29957)

  - Mozilla developers reported memory safety bugs present in Firefox 88 and Firefox ESR 78.11. 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 < 78.11, Firefox < 89, and     Firefox ESR < 78.11. (CVE-2021-29967)

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

The remote Ubuntu 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4995-2 advisory.

    USN-4995-1 fixed vulnerabilities in Thunderbird. This update provides the corresponding updates for Ubuntu     18.04 LTS.



Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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

The remote Ubuntu 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4995-1 advisory.

    Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially     crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of     service, obtain sensitive information, spoof the UI, bypass security restrictions, or execute arbitrary     code. (CVE-2021-23961, CVE-2021-23981, CVE-2021-23982, CVE-2021-23987, CVE-2021-23994, CVE-2021-23998,     CVE-2021-23999, CVE-2021-29945, CVE-2021-29946, CVE-2021-29967)

    It was discovered that extensions could open popup windows with control of the window title in some     circumstances. If a user were tricked into installing a specially crafted extension, an attacker could     potentially exploit this to spoof a website and trick the user into providing credentials.
    (CVE-2021-23984)

    Multiple security issues were discovered in Thunderbird's OpenPGP integration. If a user were tricked into     importing a specially crafted key in some circumstances, an attacker could potentially exploit this to     cause a denial of service (inability to send encrypted email) or confuse the user. (CVE-2021-23991,     CVE-2021-23992, CVE-2021-23993)

    A use-after-free was discovered when Responsive Design Mode was enabled. If a user were tricked into     opening a specially crafted website with Responsive Design Mode enabled, an attacker could potentially     exploit this to cause a denial of service, or execute arbitrary code. (CVE-2021-23995)

    It was discovered that Thunderbird mishandled ftp URLs with encoded newline characters. If a user were     tricked into clicking on a specially crafted link, an attacker could potentially exploit this to send     arbitrary FTP commands. (CVE-2021-24002)

    It was discovered that Thunderbird wrote signatures to disk and read them back during verification. A     local attacker could potentially exploit this to replace the data with another signature file.
    (CVE-2021-29948)

    It was discovered that Thunderbird might load an alternative OTR library. If a user were tricked into     copying a specially crafted library to one of Thunderbird's search paths, an attacker could potentially     exploit this to execute arbitrary code. (CVE-2021-29949)

    It was discovered that secret keys imported into Thunderbird were stored unencrypted. A local attacker     could potentially exploit this to obtain private keys. (CVE-2021-29956)

    It was discovered that Thunderbird did not indicate when an inline signed or encrypted message contained     additional unprotected parts. (CVE-2021-29957)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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

The remote CentOS Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the CESA-2021:2264 advisory.

  - Mozilla: Thunderbird stored OpenPGP secret keys without master password protection (CVE-2021-29956)

  - Mozilla: Partial protection of inline OpenPGP message not indicated (CVE-2021-29957)

  - Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11 (CVE-2021-29967)

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 SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:1854-1 advisory.

  - Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import     task. If the task runs into a failure, the secret key may remain in memory in its unprotected state. This     vulnerability affects Thunderbird < 78.8.1. (CVE-2021-29950)

  - The Mozilla Maintenance Service granted SERVICE_START access to BUILTIN|Users which, in a domain network,     grants normal remote users access to start or stop the service. This could be used to prevent the browser     update service from operating (if an attacker spammed the 'Stop' command); but also exposed attack surface     in the maintenance service. *Note: This issue only affected Windows operating systems older than Win 10     build 1709. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.10.1,     Firefox < 87, and Firefox ESR < 78.10.1. (CVE-2021-29951)

  - OpenPGP secret keys that were imported using Thunderbird version 78.8.1 up to version 78.10.1 were stored     unencrypted on the user's local disk. The master password protection was inactive for those keys. Version     78.10.2 will restore the protection mechanism for newly imported keys, and will automatically protect keys     that had been imported using affected Thunderbird versions. This vulnerability affects Thunderbird <     78.10.2. (CVE-2021-29956)

  - If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an     additional unprotected part, Thunderbird did not indicate that only parts of the message are protected.
    This vulnerability affects Thunderbird < 78.10.2. (CVE-2021-29957)

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

The remote Scientific Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the SLSA-2021:2263-1 advisory.

  - Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11 (CVE-2021-29967)

  - Mozilla: Thunderbird stored OpenPGP secret keys without master password protection (CVE-2021-29956)

  - Mozilla: Partial protection of inline OpenPGP message not indicated (CVE-2021-29957)

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

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-2264 advisory.

    [78.11.0-1.0.1]
    - Replaced thunderbird-redhat-default-prefs.js with thunderbird-oracle-default-prefs.js

    [78.11.0-1]
    - Update to 78.11.0 build1

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

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 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-2263 advisory.

    [78.11.0-1.0.1]
    - Replaced thunderbird-redhat-default-prefs.js with thunderbird-oracle-default-prefs.js

    [78.11.0-1]
    - Update to 78.11.0 build1

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

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

Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code. In addition two security issues were addressed in the OpenPGP support.

For Debian 9 stretch, these problems have been fixed in version 1:78.11.0-1~deb9u1.

We recommend that you upgrade your thunderbird packages.

For the detailed security status of thunderbird please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/thunderbird

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

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:2261 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    This update upgrades Thunderbird to version 78.11.0.

    Security Fix(es):

    * Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11 (CVE-2021-29967)

    * Mozilla: Thunderbird stored OpenPGP secret keys without master password protection (CVE-2021-29956)

    * Mozilla: Partial protection of inline OpenPGP message not indicated (CVE-2021-29957)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:2263 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    This update upgrades Thunderbird to version 78.11.0.

    Security Fix(es):

    * Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11 (CVE-2021-29967)

    * Mozilla: Thunderbird stored OpenPGP secret keys without master password protection (CVE-2021-29956)

    * Mozilla: Partial protection of inline OpenPGP message not indicated (CVE-2021-29957)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code. In adddition two security issues were addressed in the OpenPGP support.

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 78.10.2. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2021-22 advisory.

  - If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an     additional unprotected part, Thunderbird did not indicate that only parts of the message are protected.
    (CVE-2021-29957)

  - OpenPGP secret keys that were imported using Thunderbird version 78.8.1 up to version 78.10.1 were stored     unencrypted on the user's local disk. The master password protection was inactive for those keys. Version     78.10.2 will restore the protection mechanism for newly imported keys, and will automatically protect keys     that had been imported using affected Thunderbird versions. (CVE-2021-29956)

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

The version of Thunderbird installed on the remote Windows host is prior to 78.10.2. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2021-22 advisory.

  - If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an     additional unprotected part, Thunderbird did not indicate that only parts of the message are protected.
    (CVE-2021-29957)

  - OpenPGP secret keys that were imported using Thunderbird version 78.8.1 up to version 78.10.1 were stored     unencrypted on the user's local disk. The master password protection was inactive for those keys. Version     78.10.2 will restore the protection mechanism for newly imported keys, and will automatically protect keys     that had been imported using affected Thunderbird versions. (CVE-2021-29956)

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	Severity
208599	CentOS 7 : thunderbird (RHSA-2021:2263)	Nessus	CentOS Local Security Checks	high
196863	RHEL 6 : mozilla (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	critical
165150	RHEL 8 : thunderbird (RHSA-2021:2262)	Nessus	Red Hat Local Security Checks	high
165114	RHEL 8 : thunderbird (RHSA-2021:2264)	Nessus	Red Hat Local Security Checks	high
157731	Rocky Linux 8 : thunderbird (RLSA-2021:2264)	Nessus	Rocky Linux Local Security Checks	high
151707	openSUSE 15 Security Update : MozillaThunderbird (openSUSE-SU-2021:1854-1)	Nessus	SuSE Local Security Checks	high
151269	Amazon Linux 2 : thunderbird (ALAS-2021-1681)	Nessus	Amazon Linux Local Security Checks	high
151017	Ubuntu 18.04 LTS : Thunderbird vulnerabilities (USN-4995-2)	Nessus	Ubuntu Local Security Checks	high
150949	Ubuntu 20.04 LTS : Thunderbird vulnerabilities (USN-4995-1)	Nessus	Ubuntu Local Security Checks	high
150838	CentOS 8 : thunderbird (CESA-2021:2264)	Nessus	CentOS Local Security Checks	high
150685	SUSE SLED15 / SLES15 Security Update : MozillaThunderbird (SUSE-SU-2021:1854-1)	Nessus	SuSE Local Security Checks	high
150448	Scientific Linux Security Update : thunderbird on SL7.x x86_64 (2021:2263)	Nessus	Scientific Linux Local Security Checks	high
150348	Oracle Linux 8 : thunderbird (ELSA-2021-2264)	Nessus	Oracle Linux Local Security Checks	high
150344	Oracle Linux 7 : thunderbird (ELSA-2021-2263)	Nessus	Oracle Linux Local Security Checks	high
150333	Debian DLA-2679-1 : thunderbird security update	Nessus	Debian Local Security Checks	high
150323	RHEL 8 : thunderbird (RHSA-2021:2261)	Nessus	Red Hat Local Security Checks	high
150322	RHEL 7 : thunderbird (RHSA-2021:2263)	Nessus	Red Hat Local Security Checks	high
150302	Debian DSA-4927-1 : thunderbird - security update	Nessus	Debian Local Security Checks	high
149529	Mozilla Thunderbird < 78.10.2	Nessus	MacOS X Local Security Checks	medium
149528	Mozilla Thunderbird < 78.10.2	Nessus	Windows	medium

Detections

Analytics

CVE-2021-29956

medium

Tenable Plugins

high

critical

high

high

high

high

high

high

high

high

high

high

high

high

high

high

high

high

medium

medium