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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.3081 xrdp -- local user can cause a denial of service 1 December 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: xrdp Publisher: FreeBSD Operating System: FreeBSD Impact/Access: Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2017-16927 Original Bulletin: http://www.vuxml.org/freebsd/a66f9be2-d519-11e7-9866-c85b763a2f96.html Comment: This advisory references vulnerabilities in products which run on platforms other than FreeBSD. It is recommended that administrators running xrdp check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- xrdp -- local user can cause a denial of service Affected packages xrdp-devel <= 0.9.3,1 0.9.3_1,1 < xrdp-devel <= 0.9.4,1 Details VuXML ID a66f9be2-d519-11e7-9866-c85b763a2f96 Discovery 2017-11-23 Entry 2017-11-29 xrdp reports: The scp_v0s_accept function in the session manager uses an untrusted integer as a write length, which allows local users to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a crafted input stream. References CVE Name CVE-2017-16927 - --------------------------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 iQIVAwUBWiDoG4x+lLeg9Ub1AQgLFQ//V1kTIP/dPCqw5/jjujSNdr9dLIK2zVO6 gaLe3iyIE0GNTh993qmkF+abMbx/q58Pejbxz9sWbAP0cVABkgWczCxhXi4vMI4k EMVu/VkXCT92Y6AHx+gDjQ8p1MHab0lDGb49izCEzcPCysKxOGyg8QG88OHjX9Dk OMWC3bRn6ba4GUrDQ+VwUEwvHPpIxDbTWVIMvO+FmvoAa5oEO54EKlr+ylvd6goU YHUO5MyzovXOAQ6/aZd8IJjeKG68j6w8MASaKnh/pa2dL0Xes0Hp82rgDFA+TApP Wslba2irfbNptAQESHEdLIFILXV4EDrBS2oTnnTxHylu/prFyw1x/8tGto2DJFXV nyn2cmIa2mg6g9XyVNbkWHYpW67LYC9ayG7hMK4H10+t+h+77WfhCzZ5tXPGmNfl 7lGB2RXPmjZQIj8amDBQ6uA864bfEy7mdums4/D/J4u4ndeKeIc1ogqjxnxdcsaX MlRueNsKLKQZc2/T1vz0fzqb3UVn+nOT/CfJi8w6IcXd8iZjQY6sjQt011ahlpby c2G8iDM43ta/NiEAK9qOIC0rmqtFrZdHCSMh11J0pAGWAmy0RbPV3v5ZfyShxPCv h+4XD0Bcq6C/0ipcLEAoJK25ilQX2UV4ghktB6rI3Z9sPtH8sOCoOWUJ9s4tNN2R 7cEOmsnNLNk= =G76z -----END PGP SIGNATURE-----