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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.2187 openssl security update 30 July 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: openssl Publisher: Debian Operating System: Debian GNU/Linux 8 Impact/Access: Access Privileged Data -- Existing Account Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2018-0737 CVE-2018-0732 Reference: ESB-2018.1939 ESB-2018.1870 ESB-2018.1758 ESB-2018.1231 ESB-2018.1173 Original Bulletin: https://security-tracker.debian.org/tracker/DLA-1449-1 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Package : openssl Version : 1.0.1t-1+deb8u9 CVE ID : CVE-2018-0732 CVE-2018-0737 Debian Bug : 895844 Two issues were discovered in OpenSSL, the Secure Sockets Layer toolkit. CVE-2018-0732 Denial of service by a malicious server that sends a very large prime value to the client during TLS handshake. CVE-2018-0737 Alejandro Cabrera Aldaya, Billy Brumley, Cesar Pereida Garcia and Luis Manuel Alvarez Tapia discovered that the OpenSSL RSA Key generation algorithm has been shown to be vulnerable to a cache timing side channel attack. An attacker with sufficient access to mount cache timing attacks during the RSA key generation process could recover the private key. For Debian 8 "Jessie", these problems have been fixed in version 1.0.1t-1+deb8u9. We recommend that you upgrade your openssl 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----- iQKTBAEBCgB9FiEErPPQiO8y7e9qGoNf2a0UuVE7UeQFAltb6WJfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEFD RjNEMDg4RUYzMkVERUY2QTFBODM1RkQ5QUQxNEI5NTEzQjUxRTQACgkQ2a0UuVE7 UeTCqg//ZHH5JYHbmuEjJhJs0CTuBjKzGLCabYvcuSn7tFZVYKi4F/KPAxhg5Adm MxjNpRU1W16d4SWur3yOlZriAZ71/RB6VSDWW2T7UiLPF9x+VNrcp9MOQXVHPCMZ gqS+FdxFoiLcoRTp37V79yTcBrjRTuxxeHNwwTWBVPoSXBIar0M9M2hH3yN+wJBi xpmVr/PdSluHa7fjgG3/duf0Ot6EEGJ1Dje0F2RIsDPuKaWRDEt8XAo0YhMJkYz+ DxauV+sFbdZHz87i2fcf29/zSDesyfzvap6RgtKAvxU1U1stVXKc7rzFVshedMuD rqT1uXIPz3hRrGy66tb1KzgIMYyEE/q3a3n1MwZAcjfN6WQviNnEzWdb3j3Tcq1l LtemzcQ0ft0MjSi2xSMZZ78QpS7H4OiB8/BusvC4TYJFnDqP2xwaAkrn6UdYzRJR vKOMwKlcnxQ63xA0zUn482Bjc0Li1QyN5aKQlbgTwnVF31GWWoeCkqwEYj591nsn epo0OIxeNJAcYjl5ySA/6+RE3/iylcf+bIMlAOaC3lsP8DPxY4BdmAxhPT0me/L2 95bfrxmm8bdLmupXYBpOkYgM5nkoylwC7m8ogu608pqXFPx4IkMzIwIulY9fqQAR Xt2rnriC44laoExfKJ8seCjaJe/04VrfA6ojY8xWrBmtMdYhB2E= =YfMZ - -----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). 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