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CVE-2011-0091

Quick assessment

Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Kerberos是美国麻省理工学院（MIT）开发的一套网络认证协议，它采用客户端/服务器结构，并且客户端和服务器端均可对对方进行身份认证（即双重验证），可防止窃听、防止replay攻击等。其设计目标是通过密钥系统为客户机/ 服务器应用程序提供强大的认证服务。 Microsoft Windows Server 2008 R2和Windows 7中的Kerberos没有防止会话从强加密变成DES加密。中间人攻击者可以借助DES降级版欺骗网络通信并获取敏感信息。

AI Predicted 7.5 Difficulty: Moderate EPSS 5.49% · P92
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I. Basic Information for CVE-2011-0091

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Kerberos in Microsoft Windows Server 2008 R2 and Windows 7 does not prevent a session from changing from strong encryption to DES encryption, which allows man-in-the-middle attackers to spoof network traffic and obtain sensitive information via a DES downgrade, aka "Kerberos Spoofing Vulnerability."
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows多个平台Kerberos敏感信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kerberos是美国麻省理工学院（MIT）开发的一套网络认证协议，它采用客户端/服务器结构，并且客户端和服务器端均可对对方进行身份认证（即双重验证），可防止窃听、防止replay攻击等。其设计目标是通过密钥系统为客户机/ 服务器应用程序提供强大的认证服务。 Microsoft Windows Server 2008 R2和Windows 7中的Kerberos没有防止会话从强加密变成DES加密。中间人攻击者可以借助DES降级版欺骗网络通信并获取敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
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II. Public POCs for CVE-2011-0091

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III. Intelligence Information for CVE-2011-0091

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Vendor Advisories for CVE-2011-0091 (8)

Other References for CVE-2011-0091 (1)

Same Patch Batch · n/a · 2011-02-10 · 95 CVEs total

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CVE-2011-0033 Microsoft Windows多个平台OpenType字体编码字符漏洞
CVE-2011-0035 Microsoft Internet Explorer内存远程代码执行漏洞
CVE-2011-0036 Microsoft Internet Explorer mshtml.dll库任意代码执行漏洞
CVE-2011-0038 Microsoft Internet Explorer不可信搜索路径漏洞
CVE-2011-0043 Microsoft Windows多个平台Kerberos非密钥校验漏洞
CVE-2011-0092 Microsoft Visio对象内存破坏漏洞

Showing top 20 of 95 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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