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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.1151 tinyproxy security update 2 April 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: tinyproxy Publisher: Debian Operating System: Debian GNU/Linux 8 Impact/Access: Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2017-11747 Original Bulletin: https://www.debian.org/lts/security/2020/dla-2163 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Package : tinyproxy Version : 1.8.3-3+deb8u1 CVE ID : CVE-2017-11747 Debian Bug : 870307 948283 A minor security issue and a severe packaging bug have been fixed in tinyproxy, a lightweight http proxy daemon. CVE-2017-11747 main.c in Tinyproxy created a /var/run/tinyproxy/tinyproxy.pid file after dropping privileges to a non-root account, which might have allowed local users to kill arbitrary processes by leveraging access to this non-root account for tinyproxy.pid modification before a root script executed a "kill `cat /run/tinyproxy/tinyproxy.pid`" command. OTHER Furthermore, a severe flaw had been discovered by Tim Duesterhus in Debian's init script for tinyproxy. With the tiny.conf configuration file having the PidFile option removed, the next run of logrotate (if installed) would have changed the owner of the system's base directory ("/") to tinyproxy:tinyproxy. For Debian 8 "Jessie", this problem has been fixed in version 1.8.3-3+deb8u1. These fixes were prepared by Mike Gabriel. We recommend that you upgrade your tinyproxy 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 Best, Utkarsh - -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEbJ0QSEqa5Mw4X3xxgj6WdgbDS5YFAl6DQs4ACgkQgj6WdgbD S5ZzJBAAzoUviI7y+3VdIvD6TSbwhgSlzZ/ahMlFseBQAS1YbCxzF9HUJct8SYNN LClLlCjUd2fhp39yF1JowNpa/bA4MwZGDjcdH1q3dRteGzWGgw+NrtdbQG4i5T4m hflXsnnp4ZtcYmreIZaYpfJ4kO/vqLOCCIzowPeSqO55StWW27SXu8ZHdWAj8cxD VXMYfm7BytfJ2J69MmTPWbpzbY0MA+IyLU2X6eNCFL/w829sQ3Ok/FMZxxZ5igNE CUz516O3iKWIOYmXXbDMQlVTcHnUVWbeOhStWg0nb8bbLsiKoiPOExUO744v1jog pmn+Ck3EUbqXBGcc0bc3AnOTpnq53n2I3UmFN54ji7+A38woK9z521cEsmbPrzJl MNaCfXMdD0A8G8OvEa/ui2HgcUECtjrI07s01U3tslanQ3XaGCJyoAdWNogZpT0a mE1vzMsKwxM7rkJ3eXxGn0ihIK91MRH46KF3AYOBrCkn70RT1sEyYpJpfCCUvL/S j8zXo/bDUvDMOsAzeqnT4g/kJaqSBzbnwfSzwyIY98N0/At5C+h8QVKvSN6scgt1 haQxSxs43OgRRyAVzY4fOdvm47j0A1gwy/Apc20SilFgG2HVMMO//28ookAm1yOJ F+n/lIjHdJSd4VMjW1xstXtdE5G0I3h0bRx6nkfWfjGoFekfA2A= =T4ka - -----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 iQIVAwUBXoUsaWaOgq3Tt24GAQj/fQ//SH3Z7ZzbRHIBDmolw87Y0ljjxqTwekrh 1FrMXoTzIEMJV4EeE/URNFRMRoxuo4wWHIKV47jpE6IbaDFUUr8YlVlESZpUqK/g vSid7u42TO8Alcl3uR1FBwBLTdsQ9R2jcZ6qyrIKIMSOccW3RiV7CFeaIVSqooMZ KbZFZGPzyKySZ7fWjCrKc3uTXsLtv4lrxQAA3WNr5mW/VucoQqJe4LnYJxRSmGar BiwbnyrV76Mnd1Mjd+0cwNXeBFn7l6MlO56ZzBG5hyoC9iaC17axXjK+Jub/AI03 h823fV8eU2LFJLWVtIleot1tXfm9VXMZGq7umZ6qvp0bWZkfFbYc1cd+lCVhrBSY WNnvi0GudWbthCQFUaG8+KXxVEFaN0ml5AKvb578hLT3l0rKe3GScMc6qZ6+g4tp YdRijhxHHe2rfSrMdTfVLoPFNAPHtVE9gtl6w2O+vyB9jfyuH2jL/fyj6jnzXhJh Y7YcEH0V/IFMaEZKeiAHQ4Rh4KNNjxxLBS802FnNnx9t8z27iq4pTwgPKwnSZ5VN 9TZMuKN2DCSVwgMD/kl1y1aXR/MIl++uE7zLPXfGY6v8udGpH7mHKYzQZUvkKDEQ 3J8e1iSH24juSgYkmtiEKTlfhepklPjEtjk5TnwA9yPHu4qlfy2ZPBmi9L104XVu oaODvuZ/NZg= =K0dA -----END PGP SIGNATURE-----