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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.3135 rsync vulnerabilities 8 December 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: rsync Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Unauthorised Access -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-17434 CVE-2017-17433 Original Bulletin: http://www.ubuntu.com/usn/usn-3506-1 http://www.ubuntu.com/usn/usn-3506-2 Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running rsync check for an updated version of the software for their operating system. This bulletin contains two (2) Ubuntu security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3506-1 December 07, 2017 rsync vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 17.10 - - Ubuntu 17.04 - - Ubuntu 16.04 LTS - - Ubuntu 14.04 LTS Summary: Several security issues were fixed in rsync. Software Description: - - rsync: fast, versatile, remote (and local) file-copying tool Details: It was discovered that rsync proceeds with certain file metadata updates before checking for a filename. An attacker could use this to bypass access restrictions. (CVE-2017-17433) It was discovered that rsync does not check for fnamecmp filenames and also does not apply the sanitize_paths protection mechanism to pathnames. An attacker could use this to bypass access restrictions. (CVE-2017-17434) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 17.10:  rsync                           3.1.2-2ubuntu0.1 Ubuntu 17.04:  rsync                           3.1.2-1ubuntu0.1 Ubuntu 16.04 LTS:  rsync                           3.1.1-3ubuntu1.1 Ubuntu 14.04 LTS:  rsync                           3.1.0-2ubuntu0.3 In general, a standard system update will make all the necessary changes. References:  https://www.ubuntu.com/usn/usn-3506-1  CVE-2017-17433, CVE-2017-17434 Package Information:  https://launchpad.net/ubuntu/+source/rsync/3.1.2-2ubuntu0.1  https://launchpad.net/ubuntu/+source/rsync/3.1.2-1ubuntu0.1  https://launchpad.net/ubuntu/+source/rsync/3.1.1-3ubuntu1.1  https://launchpad.net/ubuntu/+source/rsync/3.1.0-2ubuntu0.3 - ---------------------------------------------------------------------- ========================================================================== Ubuntu Security Notice USN-3506-2 December 07, 2017 rsync vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 12.04 ESM Summary: Several security issues were fixed in rsync. Software Description: - - rsync: fast, versatile, remote (and local) file-copying tool Details: USN-3506-1 fixed two vulnerabilities in rsync. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details:  It was discovered that rsync proceeds with certain file metadata  updates before checking for a filename. An attacker could use this to  bypass access restrictions. (CVE-2017-17433)  It was discovered that rsync does not check for fnamecmp filenames and  also does not apply the sanitize_paths protection mechanism to  pathnames. An attacker could use this to bypass access restrictions.  (CVE-2017-17434) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM:  rsync                           3.0.9-1ubuntu1.2 In general, a standard system update will make all the necessary changes. References:  https://www.ubuntu.com/usn/usn-3506-2  https://www.ubuntu.com/usn/usn-3506-1  CVE-2017-17433, CVE-2017-17434 - --------------------------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. 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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 iQIVAwUBWinOd4x+lLeg9Ub1AQg6lg//X51L0Il0W3UYon4a8d1eWM8S/JGtpcB1 2Y1ZcOAxLzR319U8H2ikvPzYbmlsCHiVpFOk3PZIXAGZa2yD8U+QinoeaMVzbJu6 TZasVlVQILlvBpHKWXHO+IcU6kgUvqtZUA85kxMamfzPer58xFjs37iGGLWuACEv r7wDwQ8PZUEIFYgJLwqz1dmJ9FseCftP6YMALGdI5fVZ+NCGKbTs0OSHBF+pmWll 5BUvzupWYvPZUQgPDstKunvva7V+SiSpE++f+Zd5Cs68uKQxiwjZmPwZ6yw8avIb ygVsIH29oaoiclATp7+AWS1PhTDzwLCTz5VUJHLnm+aMZBju6fRqcvqHIS3mS72r wH9zIZjmu/ruCtYLO5CU/fN4KT2Q9sI2EU1ZRF5dAaxi7QZxXHLdZ1SLu/sgLTcH VSNyXGDSrP8jQvjC44WqpxxUpoCqbxqKyTFXrKrbEhSnHLaOiDh1eZpAx5YrfSvo 1DtIH84ZYM8oFvbIYgWAvnVZ3A07uv2NpTTjZCOOJIVj1+2BmSgkbmIHglJf9QEk pOlQSXRquN1TE0d6z6SxkurbIHGM6uvCMICaAsNsNwJAeedP4EpWNRSEHA2YX+3v X1eoD4OA0JE1K/5tSWVKdZh8er2MYNAPmT+3pe7749GLeF/v4Ys3VhamvAh4pPAa D9sN1foiN8Y= =8+Xp -----END PGP SIGNATURE-----