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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.3654 USN-4598-1: LibEtPan vulnerability 23 October 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: LibEtPan Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Access Confidential Data -- Remote/Unauthenticated Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-15953 Reference: ESB-2020.2822 Original Bulletin: https://usn.ubuntu.com/4598-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4598-1: LibEtPan vulnerability 22 October 2020 LibEtPan could be made to expose sensitive information over the network. Releases o Ubuntu 16.04 LTS Packages o libetpan - Mail Framework for C Language Details It was discovered that LibEtPan incorrectly handled STARTTLS when using IMAP, SMTP and POP3. A remote attacker could possibly use this issue to perform a response injection attack. (CVE-2020-15953) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 o libetpan-dev - 1.6-1ubuntu0.1 o libetpan17 - 1.6-1ubuntu0.1 In general, a standard system update will make all the necessary changes. References o CVE-2020-15953 - --------------------------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 iQIVAwUBX5JQ5ONLKJtyKPYoAQjL8xAApoRC7CiafCr+bBDJcVUen0MYd41szDQk eQEwCnffn22PkU3J5beyH+wrhqSTJLKkPSmnV23YAGyvxdlE/TkD20Z/u8aGdfcf +u882NaqLAZ+6k/mbkNXcybwpjqhuhYekMjRfODvxYsRy6Im316GQJN2lSisQzxv 70R2ulvk+MGlnLE3eZbEe9uaAD9tSOdoKmRAeq4qSljurU/N1Y4agULjnkKoEtZo iWpAJByjtOp0/LQLP4fScdQcnCe76kk6HMAWrKAgHHM49bQs4T4BdlDp4XXA4sWd yq+odH/gtTvnXj/gs2rkt7YhGeSBS2EndfXhverFQRwqV3KVs7mwHQPWoP4SH8tl qOFuC8q4kTOO9UCiXYUHRz8Zhr7vE0fWIHLRSQt/6qxtPTZTJU6RUu9gjy8gsRfd sn/iY14eAzOk14RjpOcJZxx1nGsPDPjkRtPaA8Qfe2brCyPgdM9J9uz+w/aLm7XS 8GdoEoXuH9aPkOU5MrlYgxbw4xOESKNO7jm5Et5cEPgwamTMUdIHjkaT+SjYwna5 GGHkoUpx9OXbjaNDf1cw3KoIvxu12k4R2LB3wfIiZmdqlNK6ctMII2IcxQOZjF4R 9IRoa0qpnXU0xj457Yf1Jix42XhoR6FxWkH4a0opBFo+7AciIMGX2Eyx/MGI4KsU iZf1SBhLV6Y= =hay8 -----END PGP SIGNATURE-----