CVE-2011-2883

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.

CVSS v2.0 9.3 HIGH

9.3^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 8.6 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=928

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:citrix:access_gateway:8.1::enterprise:::::
	cpe:2.3:a:citrix:access_gateway:9.0::enterprise:::::
	cpe:2.3:a:citrix:access_gateway:9.1::enterprise:::::

History

No history.

Information

Published : 2011-07-21 23:55

Updated : 2023-12-10 11:03

NVD link : CVE-2011-2883

Mitre link : CVE-2011-2883

CVE.ORG link : CVE-2011-2883

JSON object : View

Products Affected

citrix

access_gateway

CWE

CWE-20

Improper Input Validation

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