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CVE-2008-0532-漏洞详情

CVE-2008-0532
CVSS 10.0
发布时间 :2008-03-14 16:44:00
修订时间 :2011-03-07 22:04:51
NMCOPS    

[原文]Multiple buffer overflows in securecgi-bin/CSuserCGI.exe in User-Changeable Password (UCP) before 4.2 in Cisco Secure Access Control Server (ACS) for Windows and ACS Solution Engine allow remote attackers to execute arbitrary code via a long argument located immediately after the Logout argument, and possibly unspecified other vectors.


[CNNVD]Cisco User-Changeable Password(UCP)’CSuserCGI.exe’多个缓冲区溢出漏洞(CNNVD-200803-226)

        UCP应用允许终端用户使用基于Web的工具更改Cisco Secure Access Control Server(ACS)的口令。


        /securecgi-bin/CSUserCGI.exe CGI存在多个缓冲区溢出和跨站脚本漏洞,远程攻击者可能利用此漏洞控制服务器。


        如果是Logout参数的情况,main()会传送第二个参数,通常其形式为1234.xyzab.c.username.,以及栈上的char[]缓冲区。main()将这些内容传送给一个函数,该函数使用strtok获得字符串直到第一个”.”字符,然后字符串被拷贝到了96字节大小的char[]缓冲区。如果第一个句号字符前的字符串超过了这个长度,就会覆盖缓冲区和返回地址。


        


CVSS (基础分值)

CVSS分值: 10 [严重(HIGH)]
机密性影响: COMPLETE [完全的信息泄露导致所有系统文件暴露]
完整性影响: COMPLETE [系统完整性可被完全破坏]
可用性影响: COMPLETE [可能导致系统完全宕机]
攻击复杂度: LOW [漏洞利用没有访问限制 ]
攻击向量: NETWORK [攻击者不需要获取内网访问权或本地访问权]
身份认证: NONE [漏洞利用无需身份认证]


CWE (弱点类目)

CWE-119 [内存缓冲区边界内操作的限制不恰当]


CPE (受影响的平台与产品)

cpe:/a:cisco:acs_solution_engine Cisco ACS Solution Engine
cpe:/a:cisco:acs_for_windows Cisco ACS for Windows
cpe:/a:cisco:user_changeable_password:4.1


OVAL (用于检测的技术细节)

未找到相关OVAL定义


官方数据库链接

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0532

(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2008-0532

(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200803-226

(官方数据源) CNNVD


其它链接及资源

http://www.securityfocus.com/bid/28222


(PATCH)  BID  28222
http://www.cisco.com/en/US/products/products_security_advisory09186a008095f0c4.shtml


(PATCH)  CISCO  20080312 Cisco Secure Access Control Server for Windows User-Changeable Password Vulnerabilities
http://secunia.com/advisories/29351


(VENDOR_ADVISORY)  SECUNIA  29351
http://xforce.iss.net/xforce/xfdb/41154


(UNKNOWN)  XF  cisco-acs-ucp-csusercgi-bo(41154)
http://www.vupen.com/english/advisories/2008/0868


(UNKNOWN)  VUPEN  ADV-2008-0868
http://www.securityfocus.com/archive/1/archive/1/489463/100/0/threaded


(UNKNOWN)  BUGTRAQ  20080312 Cisco ACS UCP Remote Pre-Authentication Buffer Overflows
http://www.recurity-labs.com/content/pub/RecurityLabs_Cisco_ACS_UCP_advisory.txt


(UNKNOWN)  MISC  http://www.recurity-labs.com/content/pub/RecurityLabs_Cisco_ACS_UCP_advisory.txt
http://securitytracker.com/id?1019608


(UNKNOWN)  SECTRACK  1019608
http://securityreason.com/securityalert/3743


(UNKNOWN)  SREASON  3743


漏洞信息

Cisco User-Changeable Password(UCP)’CSuserCGI.exe’多个缓冲区溢出漏洞
危急 缓冲区溢出
2008-03-14 00:00:00 2008-09-05 00:00:00
远程  
        UCP应用允许终端用户使用基于Web的工具更改Cisco Secure Access Control Server(ACS)的口令。


        /securecgi-bin/CSUserCGI.exe CGI存在多个缓冲区溢出和跨站脚本漏洞,远程攻击者可能利用此漏洞控制服务器。


        如果是Logout参数的情况,main()会传送第二个参数,通常其形式为1234.xyzab.c.username.,以及栈上的char[]缓冲区。main()将这些内容传送给一个函数,该函数使用strtok获得字符串直到第一个”.”字符,然后字符串被拷贝到了96字节大小的char[]缓冲区。如果第一个句号字符前的字符串超过了这个长度,就会覆盖缓冲区和返回地址。


        


公告与补丁

        目前厂商已经发布了升级补丁以修复这个安全问题,补丁下载链接:


        http://www.cisco.com/cgi-bin/Software/Tablebuild/doftp.pl?ftpfile=cisco/crypto/3DES/ciscosecure/special/acs/macgyver/UCP_4.2.0.124-K9.zip&app=Tablebuild&status=showC2A


漏洞信息 (F64534)

RecurityLabs_Cisco_ACS_UCP_advisory.txt (PacketStormID:F64534)

2008-03-13 00:00:00
FX  recurity-labs.com

exploit,overflow,vulnerability,xss

cisco,windows

CVE-2008-0532,CVE-2008-0533

[点击下载]

The Cisco Secure Access Control Server (ACS) for Windows User-Changeable Password (UCP) application suffers from buffer overflow and cross site scripting vulnerabilities. Details provided.


漏洞信息 (F64533)

Cisco Security Advisory 20080312-ucp (PacketStormID:F64533)

2008-03-13 00:00:00
FX,Cisco Systems  cisco.com

advisory,remote,overflow,arbitrary,vulnerability,xss

cisco,windows

CVE-2008-0532,CVE-2008-0533

[点击下载]

Cisco Security Advisory – Two sets of vulnerabilities were discovered in the Cisco Secure Access Control Server (ACS) for Windows User-Changeable Password (UCP) application. The first set of vulnerabilities address several buffer overflow conditions in the UCP application that could result in remote execution of arbitrary code on the host system where UCP is installed. The second set of vulnerabilities address cross-site scripting in the UCP application pages.


漏洞信息


42961
Cisco Secure Access Control Server (ACS) CSuserCGI.exe Multiple Remote Overflows

Remote / Network Access

Input Manipulation
Loss of Integrity
Exploit Commercial


漏洞描述


时间线


2008-03-12

Unknow
Unknow Unknow


解决方案

Upgrade to version 4.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.


相关参考


漏洞作者


漏洞信息

Cisco User-Changeable Password (UCP) ‘CSuserCGI.exe’ Multiple Remote Vulnerabilities

Unknown

28222
Yes No
2008-03-12 12:00:00 2008-05-13 10:45:00

Felix ‘FX’ Lindner, Recurity Labs GmbH discovered these issues.


受影响的程序版本

Cisco User-Changeable Password (UCP) 3.3.4 .12.5

Cisco User-Changeable Password (UCP) 0

Cisco User-Changeable Password (UCP) 4.2


不受影响的程序版本

Cisco User-Changeable Password (UCP) 4.2


漏洞讨论

Cisco User-Changeable Password (UCP) is prone to multiple remote vulnerabilities, including cross-site scripting and buffer-overflow vulnerabilities.



Exploiting the cross-site scripting issues may help the attacker steal cookie-based authentication credentials and launch other attacks. Exploiting the buffer-overflow vulnerabilities allows attackers to execute code in the context of the affected application, facilitating the remote compromise of affected computers.



The buffer-overflow issues are tracked by Cisco Bug ID CSCsl49180. The cross-site scripting issues are tracked by Cisco Bug ID CSCsl49205.



These issues affect versions prior to UCP 4.2 when running on Microsoft Windows.


漏洞利用

An attacker can exploit the cross-site scripting issues by enticing an unsuspecting user to follow a malicious URI.



DSquare Security has developed a working commercial exploit for its D2 Exploitation Pack product. This exploit is not otherwise publicly available or known to be circulating in the wild.



Core Security Technologies has developed a working commercial exploit for its CORE IMPACT product. This exploit is not otherwise publicly available or known to be circulating in the wild.



The following proof-of-concept URI demonstrates one of the buffer-overflow issues:



http://www.example.com/securecgi-bin/CSUserCGI.exe?Logout+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBB.xyzab.c.hacker.


解决方案

The vendor released UCP 4.2 to address these issues. Please see the references for more information.




相关参考

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