CVE-2019-14870
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I. Basic Information for CVE-2019-14870
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
All Samba versions 4.x.x before 4.9.17, 4.10.x before 4.10.11 and 4.11.x before 4.11.3 have an issue, where the S4U (MS-SFU) Kerberos delegation model includes a feature allowing for a subset of clients to be opted out of constrained delegation in any way, either S4U2Self or regular Kerberos authentication, by forcing all tickets for these clients to be non-forwardable. In AD this is implemented by a user attribute delegation_not_allowed (aka not-delegated), which translates to disallow-forwardable. However the Samba AD DC does not do that for S4U2Self and does set the forwardable flag even if the impersonated client has the not-delegated flag set.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Samba 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Samba是Samba团队的一套可使UNIX系列的操作系统与微软Windows操作系统的SMB/CIFS网络协议做连结的自由软件。该软件支持共享打印机、互相传输资料文件等。 Samba 4.9.17之前的4.x.x版本、4.10.11之前的4.10.x版本和4.11.3之前的4.11.x版本中存在授权问题漏洞。该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。
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
II. Public POCs for CVE-2019-14870
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://usn.ubuntu.com/4217-1/vendor-advisory
- https://usn.ubuntu.com/4217-2/vendor-advisory
- https://security.gentoo.org/glsa/202003-52vendor-advisory
- https://security.gentoo.org/glsa/202310-06vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-14870
Same Patch Batch · Red Hat · 2019-12-10 · 3 CVEs total
| CVE-2019-14861 | Samba 输入验证错误漏洞 | |
| CVE-2019-14889 | libssh 操作系统命令注入漏洞 |
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V. Comments for CVE-2019-14870
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