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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.2922 [SECURITY] [DLA 1523-1] asterisk security update 28 September 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: asterisk Publisher: Debian Operating System: Debian GNU/Linux 8 Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-17281 Reference: ESB-2018.2826 Original Bulletin: https://lists.debian.org/debian-lts-announce/2018/09/msg00034.html - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Package : asterisk Version : 1:11.13.1~dfsg-2+deb8u6 CVE ID : CVE-2018-17281 Debian Bug : 909554 Sean Bright discovered that Asterisk, a PBX and telephony toolkit, contained a stack overflow vulnerability in the res_http_websocket.so module that allowed remote attackers to crash Asterisk via specially crafted HTTP requests to upgrade the connection to a websocket. For Debian 8 "Jessie", this problem has been fixed in version 1:11.13.1~dfsg-2+deb8u6. We recommend that you upgrade your asterisk packages. Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS - -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEErPPQiO8y7e9qGoNf2a0UuVE7UeQFAlus3OhfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEFD RjNEMDg4RUYzMkVERUY2QTFBODM1RkQ5QUQxNEI5NTEzQjUxRTQACgkQ2a0UuVE7 UeTi/w/7BoRNB/dPDJNIuSx0/vfy/hV6YT3oNcl6hc9zQREkPCg2Ft7gGVLSdRxW a0c2ZQYr/JtOdxiBLWa0adPsDyg4NjXUGySsKjeTxhNfyQoW6Za9PssXO8TWGI73 YJAIlZfxNw2nwnKMfUmkuNqKbfVYHrAo/AUKBHk9TrknJwgjsIONddsr5kAG1RIY Z0l98s7fiGi81C6g+dmo/8eWU7X0VcxcAG+1cLe+FZ6gNXDaqYZIVahmNb1PyIPh DIgnbu4MIVK2iIjzcXSz1auolRdnUrkOqRbcOtNBxDi+Sz1fpCk+Tdm89ru9QeO2 LFPHXKbjCtVg3ZN+xndeJ+B6as+dHWfdq2t+rXT0fbLN7HNG2Y1ufBOkRD/Uc3AQ 1c7RclRDrxPZhGuqp+buxSDcMzu/fLuhg2eyJa4yb6Ia6dyQ/+pHPhsuHHTHM7qg E5yKxBhTdo5iBGvGlf9JIAE3JNwpHZTQbSypWa4JVVGr4Uu4VddI4NlYwzt2jbuA ZZ3uTE3FSP4akS+C2D8BYXi25RCuHUmnlwn2xBuFTNXJTqkFQNs3HNEfi5XdNle+ w+g7LMrbShjInmKvFKnYaRzj4wQOZfuQlofTHXaXzXC66vl7BpVNFcUTjxoK2SBf 2viQa/VZVbK+f/KSR5EKPWcSxukGwBfRinqJVjRG1ejzFuWRL8A= =zY2P - -----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 iQIVAwUBW61l9GaOgq3Tt24GAQirqw/9EiHKhsLYAfInuYngmxYa4JMGNBO/xjvf l9UcPwmr24k3Et2njhYfPtW8+hUyFdt8E7I0bug8/12vQyrDy2Q917Zqncdzq9mI aaxR5kvm+w2ktqeWzu1E/S1Jnur9Ju40NJZQ5YS3UvttXNa5CwE/mDbTqM0hkpLx cDBA0jQeEEBbMJLcvIbRs5D8CVRtR4B8uqNJLyzn1+/wzqqESqfO5UYAfWf8iusA sGOYtDPzGL3bYdxRyN88iVo3q8wT0MN/RfVWOn5Hg/dZbAuEbx5murkKAv+wAIm3 2I57BM/Qqh2BA1eGLGDqOkNDCf0WSA4RqF025sdmQUc35pH7eZJxB0uy4ibnsSyE X4rCcWSzxqxE+Qlja6VQLV1Ep19zlcs5pqlxRPWJ12hiS7+hREPti4BgIXDmskG5 y99K6ZzwVNV0BfxdJBPHwIjwLiRr8hNHI6F0GnFNmYK9Pnctszd4/duPbDsV7XkJ F3V6ExlCmWH1+TjhIZhe92ER30m2O5VUvxM3uzVgB4sPBoufnVlTiligpOFMD0iR w+H3RbqJ0zoOwk8nkBGJqd9qTytV5S5ZrkEO1qZWGaoDvIqvwLMFPxKfHXKYPeyR JK3rJcwFU0OmbjEdsNnJ8x29jfc1FKliYsO4uGV9Ng7bWplZqr++IDZRKjMh8c7T s4naTVWp3hI= =4vUI -----END PGP SIGNATURE-----