CVE-2006-0486
CVSS4.6
发布时间 :2006-01-31 21:02:00
修订时间 :2009-03-04 00:45:35
NMCO    

[原文]Certain Cisco IOS releases in 12.2S based trains with maintenance release number 25 and later, 12.3T based trains, and 12.4 based trains reuse a Tcl Shell process across login sessions of different local users on the same terminal if the first user does not use tclquit before exiting, which may cause subsequent local users to execute unintended commands or bypass AAA command authorization checks, aka Bug ID CSCef77770.


[CNNVD]Cisco IOS 重复Tcl Shell进程安全绕过漏洞(CNNVD-200601-372)

        Cisco IOS基于12.2S系列且维护发行号码为25及以后的版本、基于12.3T系列和基于12.4系列的版本会在相同终端上跨不同的本地用户登录会话重复使用Tcl Shell进程(如果第一个用户在退出前未使用tclquit),这可能导致后续登录的本地用户 执行非计划的命令或绕过AAA命令授权检查,也称为Bug ID CSCef77770。

- CVSS (基础分值)

CVSS分值: 4.6 [中等(MEDIUM)]
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: LOCAL [漏洞利用需要具有物理访问权限或本地帐户]
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)

cpe:/o:cisco:ios:12.4Cisco IOS 12.4
cpe:/o:cisco:ios:12.2%2825%29sCisco IOS 12.2(25)S
cpe:/o:cisco:ios:12.3tCisco IOS 12.3T

- OVAL (用于检测的技术细节)

oval:org.mitre.oval:def:4905Cisco IOS AAA Command Authorization Bypass via TCL Shell Reuse Vulnerability
*OVAL详细的描述了检测该漏洞的方法,你可以从相关的OVAL定义中找到更多检测该漏洞的技术细节。

- 官方数据库链接

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0486
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2006-0486
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200601-372
(官方数据源) CNNVD

- 其它链接及资源

http://www.cisco.com/warp/public/707/cisco-response-20060125-aaatcl.shtml
(VENDOR_ADVISORY)  CISCO  20060125 Response to AAA Command Authorization by-pass
http://xforce.iss.net/xforce/xfdb/24308
(UNKNOWN)  XF  cisco-aaa-tcl-auth-bypass(24308)
http://www.osvdb.org/22723
(UNKNOWN)  OSVDB  22723
http://securitytracker.com/id?1015543
(UNKNOWN)  SECTRACK  1015543
http://secunia.com/advisories/18613
(UNKNOWN)  SECUNIA  18613

- 漏洞信息

Cisco IOS 重复Tcl Shell进程安全绕过漏洞
中危 未知
2006-01-31 00:00:00 2009-03-04 00:00:00
本地  
        Cisco IOS基于12.2S系列且维护发行号码为25及以后的版本、基于12.3T系列和基于12.4系列的版本会在相同终端上跨不同的本地用户登录会话重复使用Tcl Shell进程(如果第一个用户在退出前未使用tclquit),这可能导致后续登录的本地用户 执行非计划的命令或绕过AAA命令授权检查,也称为Bug ID CSCef77770。

- 公告与补丁

        

- 漏洞信息

22723
Cisco IOS tclsh Login Process Re-Use
Local Access Required Other
Loss of Integrity
Exploit Unknown

- 漏洞描述

IOS contains a flaw that may allow a malicious user to gain access to unauthorized privileges. The issue is triggered when a user ends a tclsh login session without using tclquit, and a subsequent local user re-uses the process. This flaw may lead to a loss of integrity.

- 时间线

2006-01-25 Unknow
Unknow Unknow

- 解决方案

Upgrade to the latest version available for your equipment, 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

Unknown or Incomplete
 

 

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