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Red Hat Linux 7.1 RHSA-2001:058-04 Moderate: Swap File Permission Issue

Swap files could potentially be world-readable, meaning every user could read data in the swap file(s), possibly including passwords.. ` --------------------------------------------------------------------- Red Hat, Inc. Red Hat Security Advisory Synopsis: Updated mount package available Advisory ID: RHSA-2001:058-04 Issue date: 2001-04-25 Updated on: 2001-05-02 Product: Red Hat Linux Keywords: mount swapon swap permissions Cross references: Obsoletes: --------------------------------------------------------------------- 1. Topic: Updated mount packages fixing a potential security problem are available. 2. Relevant releases/architectures: Red Hat Linux 7.1 - i386 3. Problem description: If any swap files were created during installation of Red Hat Linux 7.1 (they were created during updates if the user requested it), they were world-readable, meaning every user could read data in the swap file(s), possibly including passwords. The affected swap files are called /mountpoint/SWAP and /mountpoint/SWAP-(numeral) Also, this release of mount enforces sane permissions on swap space. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. 5.Bug IDs fixed ( for more info): 6. RPMs required: Red Hat Linux 7.1: SRPMS: i386: 7. Verification: MD5 sum Package Name -------------------------------------------------------------------------- 2204ac697288b353d73c8b846c9edcb9 7.1/en/os/SRPMS/mount-2.11b-3.src.rpm 885fbe4c6779bf5452634675c8878547 7.1/en/os/i386/losetup-2.11b-3.i386.rpm a4852c1e3969f28769ba346333ef8f7d 7.1/en/os/i386/mount-2.11b-3.i386.rpm These packages are GPG signed by Red Hat, Inc. for security. Our key is available at: You can verify each package with the following command: rpm --checksig If you only wish to verify that each package has not been corrupted or tampered with, examine only the md5sum with the following command: rpm --checksig --nogpg 8. References: Copyright(c) 2000, 2001 Red Hat, Inc. `. Red Hat alert concerning updated mount utility addressing critical permission flaws in swap files for Linux system version 7.1 users.. Red Hat Linux, Mount Package, Swap File Issue, Permission Problems, Security Advisory. . LinuxSecurity.com Team

May 02, 2001 Red Hat