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I. Basic Information for CVE-2011-2883
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The NSEPA.NsepaCtrl.1 ActiveX control in nsepa.ocx in Citrix Access Gateway Enterprise Edition 8.1 before 8.1-67.7, 9.0 before 9.0-70.5, and 9.1 before 9.1-96.4 attempts to validate signed DLLs by checking the certificate subject, not the signature, which allows man-in-the-middle attackers to execute arbitrary code via HTTP header data referencing a DLL that was signed with a crafted certificate.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Citrix Access Gateway nsepa.ocx NSEPA.NsepaCtrl.1 ActiveX控件任意代码执行漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Citrix Access Gateway是一款通用的SSL VPN设备。 Citrix Access Gateway Enterprise Edition 8.1-67.7之前的8.1版本,9.0-70.5之前的9.0版本,9.1-96.4之前的9.1版本的nsepa.ocx中的NSEPA.NsepaCtrl.1 ActiveX控件通过检查证书的主体尝试验证已签名的DLLs,而不是验证签名。中间人攻击者可借助引用DLL(使用特制证书签名)的HTTP头数据执行任意代码。
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
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II. Public POCs for CVE-2011-2883
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III. Intelligence Information for CVE-2011-2883
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IV. Related Vulnerabilities
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