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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.2299 USN-4037-1: policykit-desktop-privileges update 26 June 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: policykit-desktop-privileges Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Overwrite Arbitrary Files -- Existing Account Resolution: Patch/Upgrade Original Bulletin: https://usn.ubuntu.com/4037-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4037-1: policykit-desktop-privileges update 25 June 2019 policykit-desktop-privileges update A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 19.04 o Ubuntu 18.10 o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS Summary A security improvement has been made to policykit-desktop-privileges. Software Description o policykit-desktop-privileges - run common desktop actions without password Details The policykit-desktop-privileges Startup Disk Creator policy allowed administrative users to overwrite disks. As a security improvement, this operation now requires authentication. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 policykit-desktop-privileges - 0.20ubuntu19.04.1 Ubuntu 18.10 policykit-desktop-privileges - 0.20ubuntu18.10.1 Ubuntu 18.04 LTS policykit-desktop-privileges - 0.20ubuntu18.04.1 Ubuntu 16.04 LTS policykit-desktop-privileges - 0.20ubuntu16.04.1 To update your system, please follow these instructions: https:// wiki.ubuntu.com/Security/Upgrades . In general, a standard system update will make all the necessary changes. References o LP: 1832337 - --------------------------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 iQIVAwUBXRLDtmaOgq3Tt24GAQhcUA//bMASEFhEmeAb1gYFBPX2DqBDgXsAv2hW 905YzmKmZtQA0/v0eK4CN0p6lxh65LwnkRd7fXUr6vDfvyZsKG0qUISE+ee0GMmH +CVKA52ngtDiwXThEunkIXp6fMGNIEvd2FXW9TACilVpzBnfHgqeL495OnwSKkuW yLq/n+M+dY3MXwcdxufxNtlwm9z+0Jh/TI3hXdZKs/kaDPkEheH5R4IKoU10RLtk L3ncuK9xtQTC9zGzvZXIwYJJlEkFwK0BCLR7Lao14KCTJuImWkbENF5ZoUM8d/HW TCy2PMWRPEXIsQA2cDp63JZmwPw18NNBusEUtwI0AEgdzTqoMviIKsDEqT2hFs8g ujV2xYFhii0krM/0+SNRlH/HgPVd+xXCsclxiLkoueIz3De554w544VTU5BVG4H7 IlCtc9nz97bEJyMwMlfEh9Eq3hW0OGceGk/hLbwhNIpubUaCr9A61aVfLXSgozrr /iXekhmQpiLlF5E6LhG5fSl2TW6w8gfoeNOAZrJmtrZmWBiEsndjIhqDH/h/qCki Jby4rT9uhe2q8O5f+/caVZjWy/DzLj+oMLU3azJZttU+agZdQg5LaRDlMnglglyS AJYJFEmHCy0pfkTjv6/5n3Q4lqnxVnYIUrgqxMypuLN7hHtdaub7+MQx9E4tQthH wZ7ZvMaS91g= =V9c5 -----END PGP SIGNATURE-----