软件名称: |
iceexec.rar |
文件类型: |
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界面语言: |
简体中文 |
软件类型: |
国产软件 |
运行环境: |
WinNT/2K/Xp |
授权方式: |
共享软件 |
软件大小: |
24K |
软件等级: |
★★★★☆ |
发布时间: |
2004-10-09 |
官方网址: |
http://www.delikon.de/ 作者:Luigi |
演示网址: |
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软件说明: |
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Remote proof of concept exploit for Icecast versions 2.0.1 and below on win32 that downloads NCAT from elitehaven.net and spawns a shell on port 9999.
#######################################################################
Luigi Auriemma
Application: Icecast
http://www.icecast.org
Versions: <= 2.0.1
Platforms: only Win32 seems vulnerable but other platforms could be
affected in some conditions
Bug: array overflow
Risk: critical
Exploitation: remote
Date: 28 September 2004
Author: Luigi Auriemma
e-mail: aluigi@altervista.org
web: http://aluigi.altervista.org
#######################################################################
1) Introduction
2) Bug
3) The Code
4) Fix
#######################################################################
===============
1) Introduction
===============
Icecast is an audio broadcast system that streams music in both MP3 and
Ogg Vorbis format.
#######################################################################
======
2) Bug
======
The Icecast server accepts a maximum of 32 headers in the clients HTTP
request.
In some environments (like in Win32) a request with more than 31
headers causes the overwriting of the return address of the vulnerable
function with a pointer to the beginning of the 32th header.
In short, is possible to execute remote code simply using the normal
HTTP request plus 31 headers followed by a shellcode that will be
executed directly without the need of calling/jumping to registers or
addresses or using other annoying techniques.
#######################################################################
===========
3) The Code
===========
http://aluigi.altervista.org/poc/iceexec.zip
#######################################################################
======
4) Fix
======
Version 2.0.2
#######################################################################
---
Luigi Auriemma
http://aluigi.altervista.org |
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