18 April 2019
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0922.2 USN-3914-1: NTFS-3G vulnerability 18 April 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: ntfs-3g Publisher: Ubuntu Operating System: Ubuntu UNIX variants (UNIX, Linux, OSX) Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-9755 Original Bulletin: https://usn.ubuntu.com/3914-1/ https://usn.ubuntu.com/3914-2/ Comment: This bulletin contains two (2) Ubuntu security advisories. This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running ntfs-3g check for an updated version of the software for their operating system. Revision History: April 18 2019: Added USN-3914-2, a hardening improvement March 22 2019: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- USN-3914-1: NTFS-3G vulnerability 21 March 2019 ntfs-3g vulnerability A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 18.10 o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS Summary NTFS-3G could be made to crash or potentially run programs as an administrator if executed with specially crafted arguments. Software Description o ntfs-3g - read/write NTFS driver for FUSE Details A heap buffer overflow was discovered in NTFS-3G when executing it with a relative mount point path that is too long. A local attacker could potentially exploit this to execute arbitrary code as the administrator. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10 ntfs-3g - 1:2017.3.23-2ubuntu0.18.10.1 Ubuntu 18.04 LTS ntfs-3g - 1:2017.3.23-2ubuntu0.18.04.1 Ubuntu 16.04 LTS ntfs-3g - 1:2015.3.14AR.1-1ubuntu0.2 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 CVE-2019-9755 - -------------------------------------------------------------------------------- ========================================================================== Ubuntu Security Notice USN-3914-2 April 17, 2019 ntfs-3g update ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 18.10 - - Ubuntu 18.04 LTS - - Ubuntu 16.04 LTS Summary: A hardening measure was added to NTFS-3G. Software Description: - - ntfs-3g: read/write NTFS driver for FUSE Details: USN-3914-1 fixed vulnerabilities in NTFS-3G. As an additional hardening measure, this update removes the setuid bit from the ntfs-3g binary. Original advisory details: A heap buffer overflow was discovered in NTFS-3G when executing it with a relative mount point path that is too long. A local attacker could potentially exploit this to execute arbitrary code as the administrator. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10: ntfs-3g 1:2017.3.23-2ubuntu0.18.10.2 Ubuntu 18.04 LTS: ntfs-3g 1:2017.3.23-2ubuntu0.18.04.2 Ubuntu 16.04 LTS: ntfs-3g 1:2015.3.14AR.1-1ubuntu0.3 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3914-2 https://usn.ubuntu.com/usn/usn-3914-1 https://launchpad.net/bugs/1821250 Package Information: https://launchpad.net/ubuntu/+source/ntfs-3g/1:2017.3.23-2ubuntu0.18.10.2 https://launchpad.net/ubuntu/+source/ntfs-3g/1:2017.3.23-2ubuntu0.18.04.2 https://launchpad.net/ubuntu/+source/ntfs-3g/1:2015.3.14AR.1-1ubuntu0.3 - --------------------------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 email@example.com 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. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXLfuQGaOgq3Tt24GAQhWGQ//XwgWFkZKZ87BzIzEFkk7xIkqGaroACai t8KbIvcUQV7q8CBM/k7E5dWriNMI6YMPYCI2RN0IRZAp7SWgsUZxe8npMtVNTDn2 yhOsrsCDGLd88FpOMIrD6YtVTKtAAojkvuJyLN/A93Dz7fBONShSL0KG0wfLKFF/ Grj9Q0ldbOnCj7Oslt4QvefYuVdihqw7p9CYi2HYK0y6McCMryNRSuo8ZqNjH7l0 tXpqBfJ01g6qC5lAf6NPiTw4SWEMdKqxsJqFvLT+Nwcz5tiLfp5xYwQ1I0Ov6gHr fz0HfA1Y7wynkbLLVhZVL3dJUHG8TJ81uw4jGSf+LsfImU4kqkVnsGacQsP7TTbG IsUu26iGc8KNdh4v5Wg2XYtjI7AGoVMgOxzrHWJ04/uyv7klurSddTJtNOdRA0rJ 94SY/ArHbLZvaF8rn4+Mxq4vsvMTjZmm8xBbr+mtScavcp6UbsX5eYRJebdTBbRJ gRjKoG3Gd97ZeObzXA3uRkGkUo/J/pdv6a7LAB3w88ZJzk21yxcRGnN+XPdNMrLi zDdEmCul5cB0ypmNbTbp5uMfljFvpE8TuXEBeTuc/ZAfx39Mu2jSCn9lwY2OIVVt MaMGw+PJu8OS4U0VEhANB9MqA7b0LPiF6ybsss+wRa2q2a/U/0Mx5RA3z4Rz47ZR /+36v9s0i/4= =M/Yi -----END PGP SIGNATURE-----