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RHSA-2012:0533: samba and samba3x security update

Severity CVSS Published Added Modified
7 (AV:N/AC:L/Au:S/C:P/I:P/A:P) April 30, 2012 May 01, 2012 July 04, 2017


Samba is an open-source implementation of the Server Message Block (SMB) orCommon Internet File System (CIFS) protocol, which allows PC-compatiblemachines to share files, printers, and other information.A flaw was found in the way Samba handled certain Local Security Authority(LSA) Remote Procedure Calls (RPC). An authenticated user could use thisflaw to issue an RPC call that would modify the privileges database on theSamba server, allowing them to steal the ownership of files and directoriesthat are being shared by the Samba server, and create, delete, and modifyuser accounts, as well as other Samba server administration tasks.(CVE-2012-2111)Red Hat would like to thank the Samba project for reporting this issue.Upstream acknowledges Ivano Cristofolini as the original reporter.Users of Samba are advised to upgrade to these updated packages, whichcontain a backported patch to resolve this issue. After installing thisupdate, the smb service will be restarted automatically.

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