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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0100 MFSA 2021-02 Security Vulnerabilities fixed in Thunderbird 78.6.1 12 January 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Thunderbird Publisher: Mozilla Operating System: Windows Linux variants Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2020-16044 Reference: ESB-2021.0087 ESB-2021.0067 Original Bulletin: https://www.mozilla.org/en-US/security/advisories/mfsa2021-02/ - --------------------------BEGIN INCLUDED TEXT-------------------- Mozilla Foundation Security Advisory 2021-02 Security Vulnerabilities fixed in Thunderbird 78.6.1 Announced: January 11, 2021 Impact: critical Products: Thunderbird Fixed in: Thunderbird 78.6.1 In general, these flaws cannot be exploited through email in the Thunderbird product because scripting is disabled when reading mail, but are potentially risks in browser or browser-like contexts. # CVE-2020-16044: Use-after-free write when handling a malicious COOKIE-ECHO SCTP chunk Reporter: Ned Williamson Impact: critical Description A malicious peer could have modified a COOKIE-ECHO chunk in a SCTP packet in a way that potentially resulted in a use-after-free. We presume that with enough effort it could have been exploited to run arbitrary code. References o Bug 1683964 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBX/0Sa+NLKJtyKPYoAQigZBAArfA7IBnlvvn3svKnnA/LoeZNCxdo3Xuq CS3isY5L6tWU4VS3NosaYVFecwD6e60tFEjfAhG92v7b6H3SB0Hk8umLZpWHdDzK B+6sffLpnzFKvqvB7vfZkEb+sCi6t+4eOUWS1iWRLe4TKTebMBMCHa9fo8v5KFoX nzA5hVlx3OMPXZ6kxU0hag3VBZnV0zoyQppkJUX/55mvcM1R32ZrUKR6DBQTKs4N 0YkzIxrcr6kYfoeofc5V/YPpQY6jzcM8KcBgYfO0mePPBBNkctZ+H4hXHPOJQmQr sT6e52YzLe1VFooq8AHGjYYqkgMYILvl+jQLf8t/l3H9l1eEGlviZ8TJrNRcYA3f UDPr49EzxvhkwYe3f9oIyChKXecxlbMaDqvdFpUDmQ6YTDCQG3sDtcizazKsD4S5 lrkbkLqFVFqTeDB8D7JuZZpYQbIoOzOsgd89ypCwqKuMLV5zrl43AYssDyNcs9/e a+/gSoQ2lH8jPdKJrGbZHd/EfFmX2qj298ihORdmHHFOgl38RLqXT0uAMOXyd/I/ MyXxkJJvQcVNSlm7piEJp9E3Wma5nGaHJqIoHnImMaRWGgWvCRwNfmOZ6BGZx1aO AVvQygVtYKZkKGwCulWHi+DnaeSoRdinyLRwyh/gXKsH562POzl9TuzwmkvlLGNc a+qWsLnWWRk= =7w+S -----END PGP SIGNATURE-----