Updated cups packages that fix one security issue are now available forRed Hat Enterprise Linux 5 and 6.The Red Hat Security Response Team has rated this update as having moderatesecurity impact. A Common Vulnerability Scoring System base score,which gives a detailed severity rating, is available from the CVE link inthe References section. The Common UNIX Printing System provides a portable printing layerfor Linux, UNIX, and similar operating systems.It was discovered that CUPS administrative users who are permitted to perform CUPS configuration changes via the CUPS web interface could manipulate the CUPS configuration to gain unintended privileges. Such users could read or write arbitraryfiles with the privileges of the CUPS daemon, possibly allowing them torun arbitrary code with root privileges. After installing this update, the ability to change certain CUPSconfiguration directives remotely will be disabled by default. The newlyintroduced ConfigurationChangeRestriction directive can be used to enablethe changing of the restricted directives remotely. Refer to Red HatBugzilla bug 875898 for more details and the list of restricted directives.All users of cups are advised to upgrade to these updated packages, whichcontain a backported patch to resolve this issue. After installing thisupdate, the cupsd daemon will be restarted automatically.