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I. Basic Information for CVE-2023-27538
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An authentication bypass vulnerability exists in libcurl prior to v8.0.0 where it reuses a previously established SSH connection despite the fact that an SSH option was modified, which should have prevented reuse. libcurl maintains a pool of previously used connections to reuse them for subsequent transfers if the configurations match. However, two SSH settings were omitted from the configuration check, allowing them to match easily, potentially leading to the reuse of an inappropriate connection.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用基本弱点进行的认证绕过
Source: NVD (National Vulnerability Database)
Vulnerability Title
libcurl 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libcurl是一款用于从服务器传输数据或向服务器传输数据的工具。 libcurl v8.0.0版本存在授权问题漏洞,该漏洞源于可以重用先前建立的SSH连接,存在身份验证绕过漏洞。
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
-https://github.com/curl/curl Fixed in 8.0.0 -
II. Public POCs for CVE-2023-27538
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III. Intelligence Information for CVE-2023-27538
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IV. Related Vulnerabilities
V. Comments for CVE-2023-27538

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