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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.2633 ruby-zip security update 3 August 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: ruby-zip Publisher: Debian Operating System: Debian GNU/Linux 9 Impact/Access: Overwrite Arbitrary Files -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-1000544 Reference: ESB-2018.3462 ESB-2018.2360 Original Bulletin: https://lists.debian.org/debian-lts-announce/2020/08/msg00002.html - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 - - ----------------------------------------------------------------------- Debian LTS Advisory DLA-2307-1 debian-lts@lists.debian.org https://www.debian.org/lts/security/ Utkarsh Gupta August 02, 2020 https://wiki.debian.org/LTS - - ----------------------------------------------------------------------- Package : ruby-zip Version : 1.2.0-1.1+deb9u1 CVE ID : CVE-2018-1000544 Debian Bug : 902720 rubyzip gem version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via if a site allows uploading of .zip files, an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem.. For Debian 9 stretch, this problem has been fixed in version 1.2.0-1.1+deb9u1. We recommend that you upgrade your ruby-zip packages. For the detailed security status of ruby-zip please refer to its security tracker page at: https://security-tracker.debian.org/tracker/ruby-zip 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 Best, Utkarsh - -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEbJ0QSEqa5Mw4X3xxgj6WdgbDS5YFAl8lxKYACgkQgj6WdgbD S5ZbTBAAwZ+vZ4cLeyRehOFCwXOBjrXt2DYmEOcRBhO5eEixUH4AxZN1nH9C7kmx k0DQpsYI84Qx30ynbDXtWHJePbm7P0Z2IopMPhCi1vHZ4E1WioI+VsWEKCoF6irz xE8Z/mJH56X3TXf9mjP9BmtbW+q3uUpfW2zaTHxFN/jufpBvxQ7IYl+smC/Urhfn PvHpb9fhWM6C75G37rap7RcNIpABM9nXmKg8FuyHBdq6p38pY5Xi4Z5dgbIskORt gWm9GeXm76frJciYHSH1/K7a9E5RFtg524QsBANd+anXHY9e2KzDgbgXjs9Z2UN+ wdo1qcBqeUMfREVX/aWCbqtg20koaurnxTIGutYa5KkYbpEh/KKmatwKq5AbRVjp uAtW4FRILvTSoQsGSMB5GlHwzvoXfAXnOvPcFW2BQKjNRzE+211YRVyqCxES67tj yoK7BzTBvwY1HhN5O66c2zJT3khXcZmE7ZvHHKXvYjY74p3qWaPmPNnk4DCgPUYF aCHVesmSdQ9new3Uk15+JtI40zF/tAGAuIiRw+3es/vtv7jYCsd3TR1c3626cgis bN/HyLPZ43EULb2K/nE0bErj/x417WrpjowWXHvie8QZFB7TRop4adSPy3gigF1+ DtB63LtBpecLJHq6320yQDyRa1fwj/ldtUjDnL65Hz0gu74E4yY= =9gQU - -----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 iQIVAwUBXydgwuNLKJtyKPYoAQh5bg/8DmP9bRTD/1a2qEBmnPFqJ7uln1swda0/ VKoj8i07hgQczp6Z4xAlCYU4C9h2uW2xL+By9fmNsOuO3NHwyMm9a+ExVVq5BuIB 7GB2pbC8qZoP8DLOmVKr3QpgZ+KvHfRV5YRCBqDq3MAAqgBKynrz1D3UIOKMZ+RC 8+YyeGVCswYvcjWfCHd8WKgah+EIWEPDJwdGJ72fI4ioWTzQ+YZjlBwGznbpBolu zdeT0ZG5nRVxOQEeSXn55U1vF7YDljtrHL2yXz8QKa0HCYjJhykfIcth7z5GfdpO /bHIKOuVTQVw/6zpPPENXzHK2bM2dE4LekMh+i5LQWL7nPyDuo+oGqELefITFmO3 Irx8cXpEKWWGbQ7IBmCDLWieVlLasJfCUzHUWOnT0P6bO7XVWREmvo3tidcTNc1U dcOUUZi969V4ReEwC31RFW+ocs3tp9lbSpFgbbQWxV11rXSA1L/h0ati7qyTzvGc JdlyHhnC+PYttJFcZN+3PAeVuh1i/ew8LUQ4aufUPSImFQfFJz4wZjEK57qhTAne NBjr5dRAsoMUkDU/A7a26dFsG0SsvBVTCZ6iGjynVImDCDCPDs+XVlksfAduTnqx aJtGQVA00i7P6g3KSTwAa4taMkzm7CJwYoNE86//giFlKNspFNr5taQHL0zY2qdW gTS+hGE5b8k= =Pl2O -----END PGP SIGNATURE-----