CVE-2011-2883: Input Validation
First published: Thu Jul 21 2011(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Citrix Access Gateway | =8.1 | |
| Citrix Access Gateway | =9.0 | |
| Citrix Access Gateway | =9.1 |
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- collector/nvd-historical
- collector/nvd-index
- agent/references
- agent/weakness
- agent/author
- agent/severity
- agent/description
- agent/type
- agent/event
- agent/softwarecombine
- agent/first-publish-date
- agent/last-modified-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/citrix
- canonical/citrix access gateway
- version/citrix access gateway/8.1
- version/citrix access gateway/9.0
- version/citrix access gateway/9.1