发布时间 :2002-09-24 00:00:00
修订时间 :2008-09-10 15:13:55

[原文]Buffer overflow in the parsing mechanism for ISS Internet Scanner 6.2.1, when using the license banner HTTP check, allows remote attackers to execute arbitrary code via a long web server response.


        ISS Scanner是一款ISS公司开发和维护商业性质的漏洞扫描程序。
        ISS扫描器在执行HTTP banner检查时对返回信息缺少正确处理,远程攻击者可以利用这个漏洞进行缓冲区溢出攻击,可能以用户进程的权限在系统上执行任意指令。
        由于ISS扫描器在执行HTTP banner检查时没有正确检查WEB服务返回的数据长度,攻击者可以在被扫描的WEB服务器上设置返回超长的HTTP结果代码,当ISS进行如WEB banner扫描的时候,返回的信息可以导致ISS产生缓冲区溢出,精心构建返回的数据可能以用户进程的权限在系统上执行任意指令。

- CVSS (基础分值)

CVSS分值: 7.5 [严重(HIGH)]
机密性影响: PARTIAL [很可能造成信息泄露]
完整性影响: PARTIAL [可能会导致系统文件被修改]
可用性影响: PARTIAL [可能会导致性能下降或中断资源访问]
攻击复杂度: LOW [漏洞利用没有访问限制 ]
攻击向量: [--]
身份认证: NONE [漏洞利用无需身份认证]

- CPE (受影响的平台与产品)


- OVAL (用于检测的技术细节)


- 官方数据库链接
(官方数据源) MITRE
(官方数据源) NVD
(官方数据源) CNNVD

- 其它链接及资源
(VENDOR_ADVISORY)  ISS  20020918 Flaw in Internet Scanner Parsing Mechanism
(UNKNOWN)  BID  5738
(UNKNOWN)  XF  is-http-response-bo(10130)

- 漏洞信息

高危 边界条件错误
2002-09-24 00:00:00 2005-05-13 00:00:00
        ISS Scanner是一款ISS公司开发和维护商业性质的漏洞扫描程序。
        ISS扫描器在执行HTTP banner检查时对返回信息缺少正确处理,远程攻击者可以利用这个漏洞进行缓冲区溢出攻击,可能以用户进程的权限在系统上执行任意指令。
        由于ISS扫描器在执行HTTP banner检查时没有正确检查WEB服务返回的数据长度,攻击者可以在被扫描的WEB服务器上设置返回超长的HTTP结果代码,当ISS进行如WEB banner扫描的时候,返回的信息可以导致ISS产生缓冲区溢出,精心构建返回的数据可能以用户进程的权限在系统上执行任意指令。

- 公告与补丁

        * 暂时不要使用ISS Scanner扫描WEB服务器。

- 漏洞信息 (F29684)

091802-ISSC (PacketStormID:F29684)
2002-09-19 00:00:00
Tony Bettini

Foundstone Labs Advisory 091802-ISSC - A vulnerability found in the manner used by Internet Scanner to parse certain types of non-standard HTTP responses can result in a remotely exploitable buffer overflow condition. This affects Internet Scanner version 6.2.1 for Windows (NT/2000) and has been corrected with X-Press Update 6.17.

Foundstone Research Labs Advisory - 091802-ISSC

Advisory Name: Remotely Exploitable Buffer Overflow in ISS Scanner
 Release Date: September 18, 2002
  Application: ISS Scanner 6.2.1
    Platforms: Windows NT/2000/XP
     Severity: Remote code execution
      Vendors: Internet Security Systems (
      Authors: Tony Bettini (
CVE Candidate: CAN-2002-1122


The license banner HTTP check performed by ISS Scanner does not check
length of the data returned by the web server being tested. As a result,
a malicious host could be configured to return a long HTTP response that
causes code execution on the ISS Scanner host.

Detailed Description:

A malicious web server could be setup to return a long HTTP result code,
such that when the ISS Scanner attempts to perform a license
advertisement via an HTTP banner check, a reply is returned that
executes arbitrary code on the ISS Scanner host.

Vendor Response:

ISS has issued a fix for this vulnerability. It is included within
X-Press Update 6.17.


We recommend applying the vendor patch.


The information contained in this advisory is copyright (c) 2002
Foundstone, Inc. and is believed to be accurate at the time of
publishing, but no representation of any warranty is given,
express, or implied as to its accuracy or completeness. In no
event shall the author or Foundstone be liable for any direct,
indirect, incidental, special, exemplary or consequential
damages resulting from the use or misuse of this information.
This advisory may be redistributed, provided that no fee is
assigned and that the advisory is not modified in any way.


- 漏洞信息

ISS Security Scanner HTTP Remote Overflow
Remote / Network Access Input Manipulation
Loss of Integrity

- 漏洞描述

Internet Security Systems' Internet Security Scanner contains a buffer overflow that allows a remote attacker to cause a denial of service and potentially execute arbitrary code. The ISS web scanning module fails to sanitize input during the license banner HTTP check as it scans a remote host.If an attacker created a custom web server, they could send data that would overflow the buffer causing a denial of service by crashing the scanning application. It may be possible to use this flaw to execute arbitrary code, but it has not been confirmed.

- 时间线

2002-09-18 Unknow
2002-09-18 Unknow

- 解决方案

Upgrade to version 6.2.2 or higher, as it has been reported to fix this vulnerability. ISS has also released a patch (XPU 6.17) to address this vulnerability.

- 相关参考

- 漏洞作者

Unknown or Incomplete

- 漏洞信息

ISS Internet Scanner HTTP Banner Text Parsing Buffer Overflow Vulnerability
Boundary Condition Error 5738
Yes No
2002-09-18 12:00:00 2009-07-11 05:06:00
Discovery of this vulnerability credited to Foundstone Research Labs.

- 受影响的程序版本

Internet Security Systems Internet Scanner 6.2.1

- 漏洞讨论

Internet Scanner is a security assessment tool that probes hosts on a network for any potential security vulnerabilities.

A flaw in the parsing mechanism of ISS Internet Scanner has been reported. It is possible for a malicious host to respond with an overly long reply that will trigger a buffer overflow condition in Internet Scanner. This will result in Internet Scanner crashing and potentially executing attacker-supplied commands.

- 漏洞利用

Currently we are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: <>.

- 解决方案

The vendor has a fix available:

Internet Security Systems Internet Scanner 6.2.1

- 相关参考