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I. Basic Information for CVE-2021-22926
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
libcurl-using applications can ask for a specific client certificate to be used in a transfer. This is done with the `CURLOPT_SSLCERT` option (`--cert` with the command line tool).When libcurl is built to use the macOS native TLS library Secure Transport, an application can ask for the client certificate by name or with a file name - using the same option. If the name exists as a file, it will be used instead of by name.If the appliction runs with a current working directory that is writable by other users (like `/tmp`), a malicious user can create a file name with the same name as the app wants to use by name, and thereby trick the application to use the file based cert instead of the one referred to by name making libcurl send the wrong client certificate in the TLS connection handshake.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
业务逻辑错误
Source: NVD (National Vulnerability Database)
Vulnerability Title
Slackware信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Slackware是Patrick Volkerding个人开发者的一套开源的GNU/Linux操作系统。 Slackware 中存在信任管理问题漏洞,该漏洞源于CURLOPT SSLCERT选项与TLS库安全传输混淆的错误。远程攻击者可利用该漏洞可以创建一个具有相同名称的文件名称的应用程序要使用的名字,从而欺骗应用程序使用基于文件的证书。远程攻击者可利用该漏洞危及目标系统。以下产品及版本受到影响:Slackware Linux 14.0, 14.1, 14.2。
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 curll 7.33.0 to and include 7.77.0 -
II. Public POCs for CVE-2021-22926
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III. Intelligence Information for CVE-2021-22926
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IV. Related Vulnerabilities
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