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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0417 USN-4722-1: ReadyMedia (MiniDLNA) vulnerabilities 5 February 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: ReadyMedia (MiniDLNA) Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-28926 CVE-2020-12695 Reference: ESB-2020.4372 ESB-2020.4315.2 ESB-2020.3160 Original Bulletin: https://ubuntu.com/security/notices/USN-4722-1 - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4722-1: ReadyMedia (MiniDLNA) vulnerabilities 04 February 2021 ReadyMedia (MiniDLNA) could be made to crash if it received specially crafted input. Releases o Ubuntu 20.10 o Ubuntu 20.04 LTS o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS Packages o minidlna - lightweight DLNA/UPnP-AV server targeted at embedded systems Details It was discovered that ReadyMedia (MiniDLNA) allowed subscription requests with a delivery URL on a different network segment than the fully qualified event- subscription URL. An attacker could use this to hijack smart devices and cause denial of service attacks. ( CVE-2020-12695 ) It was discovered that ReadyMedia (MiniDLNA) allowed remote code execution. A remote attacker could send a malicious UPnP HTTP request to the service using HTTP chunked encoding and cause a denial of service. ( CVE-2020-28926 ) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10 o minidlna - 1.2.1+dfsg-2ubuntu0.1 Ubuntu 20.04 o minidlna - 1.2.1+dfsg-1ubuntu0.20.04.1 Ubuntu 18.04 o minidlna - 1.2.1+dfsg-1ubuntu0.18.04.1 Ubuntu 16.04 o minidlna - 1.1.5+dfsg-2ubuntu0.1 In general, a standard system update will make all the necessary changes. References o CVE-2020-12695 o CVE-2020-28926 Related notices o USN-4494-1 : gupnp, libgupnp-1.2-0 - --------------------------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. 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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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