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I. Basic Information for CVE-2021-3671
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request). An authenticated user could use this flaw to crash the samba server.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Samba 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Samba是用于 Linux 和 Unix 的标准 Windows 互操作性程序套件。 Samba存在代码问题漏洞，该漏洞源于在Samba Kerberos服务器处理TGS-REQ (Ticket Granting server - Request)中丢失sname的方式中存在空指针引用。经过身份验证的用户可以使用此漏洞使amba服务器崩溃。
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
VendorProductAffected VersionsCPESubscribe
-Samba Fixed in samba 4.13.12, samba 4.14.8 -
II. Public POCs for CVE-2021-3671
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III. Intelligence Information for CVE-2021-3671
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IV. Related Vulnerabilities
Same product: Samba
Same vendor: n/a
Same weakness: CWE-476
V. Comments for CVE-2021-3671

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