Citrix Access Gateway

Unspecified vulnerability in Citrix Access Gateway Standard Edition 4.5.7 and earlier and Advanced Edition 4.5 HF2 and earlier allows attackers to bypass authentication and gain "access to network resources" via unspecified vectors.

Stack-based buffer overflow in 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 allows remote attackers to execute arbitrary code via crafted HTTP header data.

The web authentication form in the NT4 authentication component in Citrix Access Gateway Enterprise Edition 9.2-49.8 and earlier, and the NTLM authentication component in Access Gateway Standard and Advanced Editions before Access Gateway 5.0, allows attackers to execute arbitrary commands via shell metacharacters in the password field.

Multiple unspecified vulnerabilities in (1) Net6Helper.DLL (aka Net6Launcher Class) 4.5.2 and earlier, (2) npCtxCAO.dll (aka Citrix Endpoint Analysis Client) in a Firefox plugin directory, and (3) a second npCtxCAO.dll (aka CCAOControl Object) before 4.5.0.0 in Citrix Access Gateway Standard Edition before 4.5.5 and Advanced Edition before 4.5 HF1 have unknown impact and attack vectors, possibly related to buffer overflows. NOTE: vector 3 might overlap CVE-2007-3679.

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.

Cross-site request forgery (CSRF) vulnerability in the web-based administration console in Citrix Access Gateway before firmware 4.5.5 allows remote attackers to perform certain configuration changes as administrators.

Unspecified vulnerability in the client components in Citrix Access Gateway Standard Edition before 4.5.5 and Advanced Edition before 4.5 HF1 allows attackers to execute arbitrary code via unspecified vectors.

Citrix Access Gateway Advanced Edition before firmware 4.5.5 allows attackers to redirect users to arbitrary web sites and conduct phishing attacks via unknown vectors.

Unspecified vulnerability in Citrix Advanced Access Control (AAC) Option 4.0, and Access Gateway 4.2 with Advanced Access Control 4.2, before 20061114, when the Browser-Only access feature is enabled, allows remote authenticated users to bypass access policies via a certain login method, a different issue than CVE-2006-4846. NOTE: some of these details are obtained from third party information.

Unspecified vulnerability in Citrix Access Gateway 4.5 Advanced Edition, and 4.2 with Advanced Access Control (AAC) 4.2, when deployed on the Access Gateway appliance 4.2 through 4.2.2 allows remote authenticated users to "gain access to data" and obtain sensitive information via unspecified vectors.

Unspecified vulnerability in Citrix Access Gateway with Advanced Access Control (AAC) 4.2 before 20060914, when AAC is configured to use LDAP authentication, allows remote attackers to bypass authentication via unknown vectors.

The web portal interface in Citrix Access Gateway (aka Citrix Advanced Access Control) before Advanced Edition 4.5 HF1 places a session ID in the URL, which allows context-dependent attackers to hijack sessions by reading "residual information", including the a referer log, browser history, or browser cache.

Unspecified vulnerability in Citrix Access Gateway Standard Edition 5.0.x before 5.0.4.223524 allows remote attackers to access network resources via unknown attack vectors.

The Citrix EPA ActiveX control (aka the "endpoint checking control" or CCAOControl Object) before 4.5.0.0 in npCtxCAO.dll in Citrix Access Gateway Standard Edition before 4.5.5 and Advanced Edition before 4.5 HF1 allows remote attackers to download and execute arbitrary programs onto a client system.