10 March 2010
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT Security Bulletin ASB-2010.0075 A flaw in samba can allow unauthorised filesystem access 10 March 2010 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: samba Operating System: UNIX variants (UNIX, Linux, OSX) Impact/Access: Unauthorised Access -- Unknown/Unspecified Resolution: Patch/Upgrade CVE Names: CVE-2010-0728 Member content until: Friday, April 9 2010 OVERVIEW Samba has released updated versions to fix a vulnerability which allows unauthorised access to the file system. IMPACT Samba has released the following information on this vulnerability: "This flaw caused all smbd processes to inherit CAP_DAC_OVERRIDE capabilities, allowing all file system access to be allowed even when permissions should have denied access. Please note this security problem does not affect any platform that does not support capabilities and platforms where binaries were built without libcap support."  MITIGATION Samba has released versions 3.5.1, 3.4.7 and 3.3.12 to resolve this issue.  It is expected that vendors who package samba will update their packages shortly to incorporate this fix. REFERENCES  CVE-2010-0728 http://www.samba.org/samba/security/CVE-2010-0728  Samba Security Releases http://www.samba.org/samba/history/security.html AusCERT has made every effort to ensure that the information contained in this document is accurate. However, the decision to use the information described is the responsibility of each user or organisation. 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. If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: email@example.com 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 iD8DBQFLlvZ1/iFOrG6YcBERAkGpAJ9n7fo66xjNMF5JJlpDDN5tGswsTACgrEyG t5RhI/SrNwyHXnuBG4tU9MM= =JcyG -----END PGP SIGNATURE-----