Citrix Access Gateway Standard and Advanced Edition unspecified authentication bypass

citrix-access-unspecified-auth-bypass (42356)

Medium Risk

Description:

An unspecified error in Citrix Access Gateway Standard and Advanced Edition could allow a remote attacker to bypass the authentication process. When certain settings are enabled during configuration, a remote attacker could exploit this vulnerability to gain unauthorized access to network resources.

*CVSS:

Base Score:	5.8
Access Vector:	Network
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	None
Temporal Score:	4.3
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Bypass Security

Remedy:

Refer to CTX116930 for patch, upgrade or suggested workaround information. See References.

References:

• CTX116930: Vulnerability in Access Gateway Standard Edition and Advanced Edition appliance firmware could result in authentication bypass.
• BID-29174: Citrix Access Gateway Standard and Advanced Edition Unspecified Authentication Bypass Vulnerability
• CVE-2008-2528: 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.
• SA30175: Citrix Access Gateway Unspecified Authentication Bypass
• SECTRACK ID: 1020025: Citrix Access Gateway Lets Remote Users Bypass Authentication
• VUPEN/ADV-2008-1474: Citrix Access Gateway Remote Authentication Bypass Vulnerability

Platforms Affected:

• Citrix Access Gateway 4.5 HF2 Advanced
• Citrix Access Gateway 4.5.5 Standard
• Citrix Access Gateway 4.5.6 Standard
• Citrix Access Gateway 4.5.7 Standard

Reported:

May 09, 2008

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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