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Ubuntu 11.04 USN-1127-1 Moderate: Usb-Creator Unauthorized Disk Operations

An attacker could use usb-creator to unmount arbitrary disks or perform other unauthorized disk operations.. =========================================================================Ubuntu Security Notice USN-1127-1 May 02, 2011 usb-creator vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 11.04 - Ubuntu 10.10 - Ubuntu 10.04 LTS Summary: An attacker could use usb-creator to unmount arbitrary disks or perform other unauthorized disk operations. Software Description: - usb-creator: create a startup disk using a CD or disc image (common files) Details: Evan Broder discovered that usb-creator did not properly enforce restrictions when performing privileged disk operations. A local attacker could use this flaw to perform certain disk operations, such as unmount arbitrary mountpoints. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 11.04: usb-creator-common 0.2.28.3 Ubuntu 10.10: usb-creator-common 0.2.25.3 Ubuntu 10.04 LTS: usb-creator-common 0.2.22.3 In general, a standard system update will make all the necessary changes. References: CVE-2011-1828 Package Information: https://launchpad.net/ubuntu/+source/usb-creator/0.2.28.3 https://launchpad.net/ubuntu/+source/usb-creator/0.2.25.3 https://launchpad.net/ubuntu/+source/usb-creator/0.2.22.3 . Critical alert regarding usb-creator loop-hole impacting several Ubuntu versions. Ensure to patch your systems immediately!. Ubuntu Security Advisory, Usb-Creator Threat, Unauthorized Disk Operations. . Severity: Important. LinuxSecurity.com Team

May 02, 2011 •Important Ubuntu