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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.3016 exim -- remote code execution, deny of service in BDAT 28 November 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: exim Publisher: FreeBSD Operating System: FreeBSD Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-16943 Reference: ESB-2017.3006 Original Bulletin: http://www.vuxml.org/freebsd/68b29058-d348-11e7-b9fe-c13eb7bcbf4f.html - --------------------------BEGIN INCLUDED TEXT-------------------- exim -- remote code execution, deny of service in BDAT Affected packages 4.88 <= exim < 4.89_2 Details VuXML ID 68b29058-d348-11e7-b9fe-c13eb7bcbf4f Discovery 2017-11-23 Entry 2017-11-27 Exim team reports: The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via vectors involving BDAT commands. [source] References URL https://bugs.exim.org/show_bug.cgi?id=2199 - --------------------------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 iQIVAwUBWhzrZYx+lLeg9Ub1AQg3xQ/+N2vfx8dHz/bWIB/c7r6umXhLkpHSn4v/ mK3jTA4EiWhlkSusYB6+3rnKfNoq6vBF/2pbnSh/tIl6FcHX9uTXHzlIDjLvPRxs 6GvhmrjR/UXfM31zqkaJFgusA24qng4Iwqg+PqSqyU8Lup5j4ODuyL4QvHgv/X5Z V0q+6OTEWm/Nh0O8DiMZkHh6eIa/9XWPzvucmF6Dih4iYM0IpgAOQprKCLRmjORJ dQoOnYicXjzNhIpVqcxsUeYz9/D9ggvWsJ/NYbxVvPso/FJY0wbRk0mOxA4Nw7ga 2MQfM3rFIOTthtKWaYAGHku9IUCq59rhVzu1sKb00YT6E1ixZl6Xv6XQU+LnOnHz j3AEjrUkw/oyxT2XpsnQDf2wURIFOCWSdPjc2EK3DrSveKSjR4E5b0lJZ889R+IP NSk93U21OFn6rOpEIoEZe3zlNP8L2SxBJFuUxpiELiYouF0EBvVygcWZxeRmDaxK Cr1j/gu/TWajy+3lTOz77YQHN8UDC8ODrpEfD2yGNLs6EDw8HfBZTxTub2uZg8EF 0bZdzcws27ioor6hHw8L2H0vsJhVVBvG9ohZtH74c9o3askw9KO1OfT1p7kzKXz2 X4UDe3wswOmPlQVrUXlOhSDmT4Rsb/AoIJx7t0Fx+rinhh7KkQoED40gElJuii4t 8BaE+scxKJY= =u6wM -----END PGP SIGNATURE-----