The NSEPA.NsepaCtrl.1 ActiveX control in nsepa.ocx in Citrix Access Gateway Enterprise Edition 8.1 prior to 8.1-67.7, 9.0 prior to 9.0-70.5, and 9.1 prior to 9.1-96.4 attempts to validate signed DLLs by checking the certificate subject, not the signature, which allows man-in-the-middle malicious users to execute arbitrary code via HTTP header data referencing a DLL that was signed with a crafted certificate.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
citrix access gateway 8.1 |
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citrix access gateway 9.0 |
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citrix access gateway 9.1 |
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