___________________________________________________________________________ TurboLinux Security Announcement Package: ed Vulnerable Packages: All versions previous to 0.2-16 Date: 05/04/2001 5:00 PDT Affected TurboLinux versions: TL 6.1 WorkStation, All TurboLinux versions 6.0.5 and earlier TurboLinux Advisory ID#: TLSA2001006 Credits: Vulnerability first discovered by Alan Cox ___________________________________________________________________________ A security hole has been discovered in this package. Please update the package in your installation as soon as possible. ___________________________________________________________________________ 1. Problem Summary Ed creates temp files insecurely. 2. Impact It is possible for a local user with malicious intent to carry out a symbolic link attack, overwriting or corrupting files created by the user running ed. 3. Solution Update each package from our ftp server by running the following command: rpm -Uvh ftp_path_to_filename Where ftp_path_to_filename is the following: ftp://ftp.turbolinux.com/pub/updates/6.0/security/ed-0.2-16.i386.rpm The source RPM can be downloaded here: ftp://ftp.turbolinux.com/pub/updates/6.0/SRPMS/ed-0.2-16.src.rpm **Note: You must rebuild and install the RPM if you choose to download and install the SRPM. Simply installing the SRPM alone WILL NOT CLOSE THE SECURITY HOLE. Please verify the MD5 checksums of the updates before you install: MD5 sum Package Name --------------------------------------------------------------------------- cb081d1dd7ae26f70dec3d8d96fdc8bd ed-0.2-16.i386.rpm 292af57ec7d30da281df7a7169ac1a0d ed-0.2-16.src.rpm ___________________________________________________________________________ These packages are GPG signed by TurboLinux for security. Our key is available here: http://www.turbolinux.com/security/tlgpgkey.asc To verify a package, use the following command: rpm --checksig name_of_rpm To examine only the md5sum, use the following command: md5sum name_of_rpm **Note: Checking GPG keys requires RPM 3.0 or higher. ___________________________________________________________________________ You can find more updates on our ftp server: ftp://ftp.turbolinux.com/pub/updates/6.0/security/ for TL6.0 Workstation and Server security updates Our webpage for security announcements: http://www.turbolinux.com/security If you want to report vulnerabilities, please contact: security@turbolinux.com ___________________________________________________________________________ Subscribe to the TurboLinux Security Mailing lists: TL-security - A moderated list for discussing security issues TurboLinux products. Subscribe at http://www.turbolinux.com/mailman/listinfo/tl-security TL-security-announce - An announce-only mailing list for security updates and alerts. Subscribe at: http://www.turbolinux.com/mailman/listinfo/tl-security-announce