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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.3394.2 exim4 security update 9 September 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: exim4 Publisher: Debian Operating System: Debian GNU/Linux 9 Debian GNU/Linux 10 UNIX variants (UNIX, Linux, OSX) Impact/Access: Root Compromise -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-15846 Original Bulletin: http://www.debian.org/security/2019/dsa-4517 Revision History: September 9 2019: CVE-2019-15846 likely being exploited to install Lilu ransomware on vulnerable servers September 9 2019: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - - ------------------------------------------------------------------------- Debian Security Advisory DSA-4517-1 security@debian.org https://www.debian.org/security/ Moritz Muehlenhoff September 06, 2019 https://www.debian.org/security/faq - - ------------------------------------------------------------------------- Package : exim4 CVE ID : CVE-2019-15846 "Zerons" and Qualys discovered that a buffer overflow triggerable in the TLS negotiation code of the Exim mail transport agent could result in the execution of arbitrary code with root privileges. For the oldstable distribution (stretch), this problem has been fixed in version 4.89-2+deb9u6. For the stable distribution (buster), this problem has been fixed in version 4.92-8+deb10u2. We recommend that you upgrade your exim4 packages. For the detailed security status of exim4 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/exim4 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: debian-security-announce@lists.debian.org - -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEtuYvPRKsOElcDakFEMKTtsN8TjYFAl1yMboACgkQEMKTtsN8 TjZOLRAAv9Cz0QJM0Rs7hlzduoMpqMZS4pkhj+hrXf7WyRiIr7RZdJkxKVd3wVRr frEN0UEKGzqn0+7Fc4Db6Q7vttRMP9RowsKkxmcsdrgXAdZZGVBF00JxjMGVV/Mr ovNI43MO7bbi87DlxCIbE/vt36+UvQG/xCuM2+b5gnsjshp9MnjViESFpM2PU9Uo 99jCeko/l5FQt/Wyy/ewai2YhTWO78Joe3c9RtjhO2U+m0sg0knjyC6IPUO8irp7 ODvjysE55OdWtRNraDCQH0PWErKIpy/qHnocF1WTXV8YPX4yvNivUyCPnPRvyp0I ffiUMxE/JqBg9x9V3fUM8fHbkuds4LM1NroysEf+11VHlOj33PY8dFUpKG8fq20y Alww3vO2GLBaj+wLLemDVEnesrSn0oifm7PGTvRCz5q5A+uHvjoHQ5rKjap5hMrF iYcbjd5ryIlEFy3ZTSG/GyVTvZPnxhR2a/71JP9RhLKFvhxT5PArYMMUL2YiTcrp xvRAnD4bsrVqRIrDFd8zpxDgCLSrLm0wLARI3hePZvY/Y5ARjV7K4siaWR7WJgXE agznj8o0by5aYpQTCUpWmpEDlu3uSlrqtxk3Y4S/9hgfWakY3p3tbfTyOdw8wiSi zn2hewy3CEA7G8fNvyNPTz16UWUbsnbOMFK5OaEApEIabremrIE= =JUdN - -----END PGP SIGNATURE----- - --------------------------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 iQIVAwUBXXWq/maOgq3Tt24GAQhCjw/8DtsK2kso3XQmhMzWDAVK5l0xN4xobtfj zyVAaHZ2huNGMUSFcLqoZgoSQOkPw1ImIpZZCtJX7GpD+HLjB/1mTT8pe8FIMFr4 D7TUcaA78ygsJpNBP5KF9tucOsZs3ZNop+WWqoqiR/fiLdjT6D62MJrNvQZGtJPr blbtTQG0XZ1vQW/EiVxsXp1dKSQ2h0MGGv2SFdf1Wx41Qur7yVyeNlzTay/3dAUK KziipLSGJ/NA1Fh5/h5H7FXUft3D/WwvWcNlCs/w/XiRjqMdjfNL2CaN1e21KMDf QxRWBSJv+g+/WszelxC1MTOnwOXEprl9nhrKDpFnQOTKAp/5lEuPArAw6ITm0nHL m0DVUgh90RbustydsUxmT7rdtVNR5/SnyIY0AQuqOMkfOGWUuYnVGdz5NGabOGQd CsDaDl0FwUWKOpLxKPem7y3n27vcnRdwjiaGDkNNf6fouzSv9BwWQnHDIENQyePg T24yvj9rSJ4toOESk8JQetp01/Qji39ism+kAXIleJyK0vrDrniLF3e99LSRuMkq eOUoDZiVENIWrw5LwviYnFZKKWnjCEkXrM9smyRTSQos4ugLQIDbdFScnkExTEDW 7TqgwupndZ0nFU5M/HyWBg+o2VAvh/bcfOBzyOz17N6OvwMUNgF96AL6buWfeKFA +CyWL0nAv50= =q1pW -----END PGP SIGNATURE-----