CVE-2017-11368
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
MIT krb5（又名MIT Kerberos 5）是美国麻省理工（Massachusetts Institute of Technology）学院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。 MIT Kerberos 5 1.7及之后的版本中存在输入验证错误漏洞。攻击者可通过发送无效的S4U2Self或S4U2Proxy请求利用该漏洞造成KDC断言失败。
Possible ATT&CK Techniques 1 AI
T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2017-11368
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In MIT Kerberos 5 (aka krb5) 1.7 and later, an authenticated attacker can cause a KDC assertion failure by sending invalid S4U2Self or S4U2Proxy requests.
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
MIT krb5 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MIT krb5（又名MIT Kerberos 5）是美国麻省理工（Massachusetts Institute of Technology）学院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。 MIT Kerberos 5 1.7及之后的版本中存在输入验证错误漏洞。攻击者可通过发送无效的S4U2Self或S4U2Proxy请求利用该漏洞造成KDC断言失败。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
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II. Public POCs for CVE-2017-11368
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2017-11368 (1)
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https://github.com/krb5/krb5/commit/ffb35baac6981f9e8914f8f3bffd37f284b85970 x_refsource_CONFIRM
Vendor Advisories for CVE-2017-11368 (2)
Mailing List Discussions for CVE-2017-11368 (2)
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4HNWXM6OQU7G23MG7XWIOBRGP43ECLDT/ vendor-advisory x_refsource_FEDORA
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UBUTXMNZWMVJLQ4NDX5OQFPUVCJRLV3W/ vendor-advisory x_refsource_FEDORA
Same Patch Batch · n/a · 2017-08-09 · 38 CVEs total
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| CVE-2015-6941 | Salt win_useradd、salt-cloud和Linode驱动程序安全漏洞 | |
| CVE-2015-7764 | Lemur 安全漏洞 | |
| CVE-2017-12754 | 多款ASUS产品Asuswrt-Merlin httpd 缓冲区错误漏洞 | |
| CVE-2014-5144 | Telescope 跨站脚本漏洞 |
Showing top 20 of 38 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: n/a
V. Comments for CVE-2017-11368
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