VULHUB ™

Digital UNIX 4.0 will follow symlinks while writting core files if two setuid programs dump core in sucession. The core file is owned by root but with the user's groud id. The core file permissions are 0600. This can be used to create root owned file anywhere in the filesystem.

Digital UNIX 4.0 will follow symlinks while writting core files if two setuid programs dump core in sucession. The core file is owned by root but with the user's groud id. The core file permissions are 0600. This can be used to create root owned file anywhere in the filesystem.