CVE-1999-0517
CVSS7.5
发布时间 :1997-01-01 00:00:00
修订时间 :2008-09-09 08:34:57
NMCOS    

[原文]An SNMP community name is the default (e.g. public), null, or missing.


[CNNVD]Microsoft Windows NT 4.0 SNMP社区名称漏洞(CNNVD-199701-038)

        SNMP社区名称是默认的(如:公共的)、无效的或缺失的。

- 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)

cpe:/o:hp:hp-ux:11.00HP-UX 11.00
cpe:/o:sun:solaris:2.0
cpe:/o:hp:hp-ux:10HP HP-UX 10

- 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-1999-0517
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-1999-0517
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-199701-038
(官方数据源) CNNVD

- 其它链接及资源

- 漏洞信息

Microsoft Windows NT 4.0 SNMP社区名称漏洞
高危 设计错误
1997-01-01 00:00:00 2005-10-20 00:00:00
远程※本地  
        SNMP社区名称是默认的(如:公共的)、无效的或缺失的。

- 公告与补丁

        Upgrade to Service Pack 4 to enable SNMP read-only permissions if "set" access is not required. In addition to this, restrict read access to the registry keys (HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\SNMP\Parameters\ValidCommunities) to authorized local users only.

- 漏洞信息

209
SNMP Default public/private String Information Disclosure
Remote / Network Access Authentication Management, Information Disclosure
Loss of Confidentiality
Exploit Public

- 漏洞描述

SNMP implementations of multiple vendors contains a flaw that may lead to an unauthorized information disclosure. The issue is triggered due to default SNMP community names like 'public' or 'private', which will disclose sensitive information resulting in a loss of confidentiality.

- 时间线

1998-11-17 Unknow
1998-11-17 Unknow

- 解决方案

Currently, there are no known upgrades or patches to correct this issue. It is possible to correct the flaw by implementing the following workaround: Disable or remove the SNMP Service if it is not required or take steps to secure the SNMP community names.

- 相关参考

- 漏洞作者

Unknown or Incomplete

- 漏洞信息

Microsoft Windows NT 4.0 SNMP Community Name Vulnerability
Design Error 2112
Yes Yes
1998-11-17 12:00:00 2009-07-11 04:46:00
This vulnerability was disclosed in Network Associates, Inc. SECURITY ADVISORY #30 dated November 17, 1998

- 受影响的程序版本

Microsoft Windows NT Workstation 4.0 SP3
Microsoft Windows NT Workstation 4.0 SP2
Microsoft Windows NT Workstation 4.0 SP1
Microsoft Windows NT Workstation 4.0
Microsoft Windows NT Terminal Server 4.0 SP3
Microsoft Windows NT Terminal Server 4.0 SP2
Microsoft Windows NT Terminal Server 4.0 SP1
Microsoft Windows NT Terminal Server 4.0
Microsoft Windows NT Server 4.0 SP3
Microsoft Windows NT Server 4.0 SP2
Microsoft Windows NT Server 4.0 SP1
Microsoft Windows NT Server 4.0
Microsoft Windows NT Enterprise Server 4.0 SP3
Microsoft Windows NT Enterprise Server 4.0 SP2
Microsoft Windows NT Enterprise Server 4.0 SP1
Microsoft Windows NT Enterprise Server 4.0
Microsoft Windows NT 4.0 SP6
+ Microsoft Windows NT Enterprise Server 4.0 SP6
+ Microsoft Windows NT Enterprise Server 4.0 SP6
+ Microsoft Windows NT Server 4.0 SP6
+ Microsoft Windows NT Server 4.0 SP6
+ Microsoft Windows NT Terminal Server 4.0 SP6
+ Microsoft Windows NT Terminal Server 4.0 SP6
+ Microsoft Windows NT Workstation 4.0 SP6
+ Microsoft Windows NT Workstation 4.0 SP6
Microsoft Windows NT 4.0 SP5
+ Microsoft Windows NT Enterprise Server 4.0 SP5
+ Microsoft Windows NT Enterprise Server 4.0 SP5
+ Microsoft Windows NT Server 4.0 SP5
+ Microsoft Windows NT Server 4.0 SP5
+ Microsoft Windows NT Terminal Server 4.0 SP5
+ Microsoft Windows NT Terminal Server 4.0 SP5
+ Microsoft Windows NT Workstation 4.0 SP5
+ Microsoft Windows NT Workstation 4.0 SP5
Microsoft Windows NT 4.0 SP3
+ Microsoft Windows NT Enterprise Server 4.0 SP3
+ Microsoft Windows NT Enterprise Server 4.0 SP3
+ Microsoft Windows NT Server 4.0 SP3
+ Microsoft Windows NT Server 4.0 SP3
+ Microsoft Windows NT Terminal Server 4.0 SP3
+ Microsoft Windows NT Terminal Server 4.0 SP3
+ Microsoft Windows NT Workstation 4.0 SP3
+ Microsoft Windows NT Workstation 4.0 SP3
Microsoft Windows NT 4.0 SP2
+ Microsoft Windows NT Enterprise Server 4.0 SP2
+ Microsoft Windows NT Enterprise Server 4.0 SP2
+ Microsoft Windows NT Server 4.0 SP2
+ Microsoft Windows NT Server 4.0 SP2
+ Microsoft Windows NT Terminal Server 4.0 SP2
+ Microsoft Windows NT Terminal Server 4.0 SP2
+ Microsoft Windows NT Workstation 4.0 SP2
+ Microsoft Windows NT Workstation 4.0 SP2
Microsoft Windows NT 4.0 SP1
+ Microsoft Windows NT Enterprise Server 4.0 SP1
+ Microsoft Windows NT Enterprise Server 4.0 SP1
+ Microsoft Windows NT Server 4.0 SP1
+ Microsoft Windows NT Server 4.0 SP1
+ Microsoft Windows NT Terminal Server 4.0 SP1
+ Microsoft Windows NT Terminal Server 4.0 SP1
+ Microsoft Windows NT Workstation 4.0 SP1
+ Microsoft Windows NT Workstation 4.0 SP1
Microsoft Windows NT 4.0
+ Microsoft Windows NT Enterprise Server 4.0
+ Microsoft Windows NT Enterprise Server 4.0
+ Microsoft Windows NT Server 4.0
+ Microsoft Windows NT Server 4.0
+ Microsoft Windows NT Terminal Server 4.0
+ Microsoft Windows NT Terminal Server 4.0
+ Microsoft Windows NT Workstation 4.0
+ Microsoft Windows NT Workstation 4.0
Microsoft Windows NT Workstation 4.0 SP6a
Microsoft Windows NT Workstation 4.0 SP6
Microsoft Windows NT Workstation 4.0 SP5
Microsoft Windows NT Workstation 4.0 SP4
Microsoft Windows NT Terminal Server 4.0 SP6
Microsoft Windows NT Terminal Server 4.0 SP5
Microsoft Windows NT Terminal Server 4.0 SP4
Microsoft Windows NT Server 4.0 SP6a
+ Avaya DefinityOne Media Servers
+ Avaya DefinityOne Media Servers
+ Avaya IP600 Media Servers
+ Avaya IP600 Media Servers
+ Avaya S3400 Message Application Server 0
+ Avaya S8100 Media Servers 0
+ Avaya S8100 Media Servers 0
Microsoft Windows NT Server 4.0 SP6
Microsoft Windows NT Server 4.0 SP5
Microsoft Windows NT Server 4.0 SP4
Microsoft Windows NT Enterprise Server 4.0 SP6a
Microsoft Windows NT Enterprise Server 4.0 SP6
Microsoft Windows NT Enterprise Server 4.0 SP5
Microsoft Windows NT Enterprise Server 4.0 SP4
Microsoft Windows NT 4.0 SP6a
+ Microsoft Windows NT Enterprise Server 4.0 SP6a
+ Microsoft Windows NT Enterprise Server 4.0 SP6a
+ Microsoft Windows NT Server 4.0 SP6a
+ Microsoft Windows NT Server 4.0 SP6a
+ Microsoft Windows NT Terminal Server 4.0 SP6a
+ Microsoft Windows NT Workstation 4.0 SP6a
+ Microsoft Windows NT Workstation 4.0 SP6a
Microsoft Windows NT 4.0 SP6
+ Microsoft Windows NT Enterprise Server 4.0 SP6
+ Microsoft Windows NT Enterprise Server 4.0 SP6
+ Microsoft Windows NT Server 4.0 SP6
+ Microsoft Windows NT Server 4.0 SP6
+ Microsoft Windows NT Terminal Server 4.0 SP6
+ Microsoft Windows NT Terminal Server 4.0 SP6
+ Microsoft Windows NT Workstation 4.0 SP6
+ Microsoft Windows NT Workstation 4.0 SP6
Microsoft Windows NT 4.0 SP5
+ Microsoft Windows NT Enterprise Server 4.0 SP5
+ Microsoft Windows NT Enterprise Server 4.0 SP5
+ Microsoft Windows NT Server 4.0 SP5
+ Microsoft Windows NT Server 4.0 SP5
+ Microsoft Windows NT Terminal Server 4.0 SP5
+ Microsoft Windows NT Terminal Server 4.0 SP5
+ Microsoft Windows NT Workstation 4.0 SP5
+ Microsoft Windows NT Workstation 4.0 SP5
Microsoft Windows NT 4.0 SP4
+ Microsoft Windows NT Enterprise Server 4.0 SP4
+ Microsoft Windows NT Enterprise Server 4.0 SP4
+ Microsoft Windows NT Server 4.0 SP4
+ Microsoft Windows NT Server 4.0 SP4
+ Microsoft Windows NT Terminal Server 4.0 SP4
+ Microsoft Windows NT Terminal Server 4.0 SP4
+ Microsoft Windows NT Workstation 4.0 SP4
+ Microsoft Windows NT Workstation 4.0 SP4
Microsoft Windows 2000 Terminal Services
+ Microsoft Windows 2000 Advanced Server
+ Microsoft Windows 2000 Datacenter Server
+ Microsoft Windows 2000 Server
Microsoft Windows 2000 Server
+ Avaya DefinityOne Media Servers
+ Avaya IP600 Media Servers
+ Avaya S3400 Message Application Server 0
+ Avaya S8100 Media Servers 0
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Advanced Server

- 不受影响的程序版本

Microsoft Windows NT Workstation 4.0 SP6a
Microsoft Windows NT Workstation 4.0 SP6
Microsoft Windows NT Workstation 4.0 SP5
Microsoft Windows NT Workstation 4.0 SP4
Microsoft Windows NT Terminal Server 4.0 SP6
Microsoft Windows NT Terminal Server 4.0 SP5
Microsoft Windows NT Terminal Server 4.0 SP4
Microsoft Windows NT Server 4.0 SP6a
+ Avaya DefinityOne Media Servers
+ Avaya DefinityOne Media Servers
+ Avaya IP600 Media Servers
+ Avaya IP600 Media Servers
+ Avaya S3400 Message Application Server 0
+ Avaya S8100 Media Servers 0
+ Avaya S8100 Media Servers 0
Microsoft Windows NT Server 4.0 SP6
Microsoft Windows NT Server 4.0 SP5
Microsoft Windows NT Server 4.0 SP4
Microsoft Windows NT Enterprise Server 4.0 SP6a
Microsoft Windows NT Enterprise Server 4.0 SP6
Microsoft Windows NT Enterprise Server 4.0 SP5
Microsoft Windows NT Enterprise Server 4.0 SP4
Microsoft Windows NT 4.0 SP6a
+ Microsoft Windows NT Enterprise Server 4.0 SP6a
+ Microsoft Windows NT Enterprise Server 4.0 SP6a
+ Microsoft Windows NT Server 4.0 SP6a
+ Microsoft Windows NT Server 4.0 SP6a
+ Microsoft Windows NT Terminal Server 4.0 SP6a
+ Microsoft Windows NT Workstation 4.0 SP6a
+ Microsoft Windows NT Workstation 4.0 SP6a
Microsoft Windows NT 4.0 SP6
+ Microsoft Windows NT Enterprise Server 4.0 SP6
+ Microsoft Windows NT Enterprise Server 4.0 SP6
+ Microsoft Windows NT Server 4.0 SP6
+ Microsoft Windows NT Server 4.0 SP6
+ Microsoft Windows NT Terminal Server 4.0 SP6
+ Microsoft Windows NT Terminal Server 4.0 SP6
+ Microsoft Windows NT Workstation 4.0 SP6
+ Microsoft Windows NT Workstation 4.0 SP6
Microsoft Windows NT 4.0 SP5
+ Microsoft Windows NT Enterprise Server 4.0 SP5
+ Microsoft Windows NT Enterprise Server 4.0 SP5
+ Microsoft Windows NT Server 4.0 SP5
+ Microsoft Windows NT Server 4.0 SP5
+ Microsoft Windows NT Terminal Server 4.0 SP5
+ Microsoft Windows NT Terminal Server 4.0 SP5
+ Microsoft Windows NT Workstation 4.0 SP5
+ Microsoft Windows NT Workstation 4.0 SP5
Microsoft Windows NT 4.0 SP4
+ Microsoft Windows NT Enterprise Server 4.0 SP4
+ Microsoft Windows NT Enterprise Server 4.0 SP4
+ Microsoft Windows NT Server 4.0 SP4
+ Microsoft Windows NT Server 4.0 SP4
+ Microsoft Windows NT Terminal Server 4.0 SP4
+ Microsoft Windows NT Terminal Server 4.0 SP4
+ Microsoft Windows NT Workstation 4.0 SP4
+ Microsoft Windows NT Workstation 4.0 SP4
Microsoft Windows 2000 Terminal Services
+ Microsoft Windows 2000 Advanced Server
+ Microsoft Windows 2000 Datacenter Server
+ Microsoft Windows 2000 Server
Microsoft Windows 2000 Server
+ Avaya DefinityOne Media Servers
+ Avaya IP600 Media Servers
+ Avaya S3400 Message Application Server 0
+ Avaya S8100 Media Servers 0
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Advanced Server

- 漏洞讨论

Windows NT 4.0 and Windows NT 2000 provides optional SNMP (Simple Network Management Protocol) services. SNMP allows remote retrieval and setting of information related to TCP/IP networking processes. SNMP services provide two levels of access: read-only and read/write. All versions of SNMP provided with Windows NT 4.0 prior to Service Pack 4 only allow read/write access to SNMP functions to authorized administrators - there is no ability to set "read-only". Service Pack 4 introduced the ability to set permissions to either "read-only" or "read/write".

SNMP provides a simple authentication scheme whereby an administrator can gain access to SNMP functions by knowing a "community name". A default installation of SNMP on Windows NT 4.0 allows access to SNMP with the community name "public". This alone presents a security risk, although most administrators using SNMP would likely change the default community name used to access SNMP services. Unfortunately, SNMP Community Names are stored in the registry as plaintext and can be retrieved by anybody who can access it. IP Address restrictions can also be implemented to control access to SNMP functions but IP address restriction information is also stored in the registry in plaintext. Forged UDP packets can be used to circumvent this. Although an attacker using this approach would not be able to read information returned from the SNMP services, this still allows use of the "set" command to alter network critical settings such as the IP routing table and ARP table, set IP Forwarding, IP TTL (time to live), enable/disable interfaces, etc. SNMP Services are not installed by default and must be added by the Windows NT administrator. Windows 2000 also stores SNMP community names and IP restrictions in the registry.

- 漏洞利用

Currently the SecurityFocus staff 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: vuldb@securityfocus.com.

- 解决方案

Upgrade to Service Pack 4 to enable SNMP read-only permissions if "set" access is not required. In addition to this, restrict read access to the registry keys (HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\SNMP\Parameters\ValidCommunities) to authorized local users only.

- 相关参考

 

 

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