Citrix Advanced Access Control Browser-Only access feature security bypass
| citrix-access-browser-security-bypass (30303) |  Medium Risk |
Description:
Citrix Advanced Access Control could allow a remote attacker to bypass security restrictions, caused by a vulnerability in the Browser-Only access feature. An attacker could exploit this vulnerability to gain unauthorized access to certain resources.
*CVSS:
| Base Score: | 5.3 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | None |
| Temporal Score: | 3.9 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Bypass Security
Remedy:
Apply Hotfix AACE400W004, as listed in Citrix Knowledge Center Article CTX111615. See References.
References:
- Citrix Access Gateway Web site: Citrix Systems Products Citrix Access Gateway Standard Edition.
- CTX111615: Vulnerability in Advanced Access Control could result in policy bypass when using the Browser-Only Access feature .
- CTX111615: Vulnerability in Advanced Access Control could result in policy bypass when using the Browser-Only Access feature.
- BID-21080: Citrix Access Gateway Advanced Access Control Multiple Vulnerabilities
- CVE-2006-6572: 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.
- SA22909: Citrix Advanced Access Control Two Vulnerabilities
- SECTRACK ID: 1017227: Citrix Advanced Access Control Lets Remote Authenticated Users Bypass Security Policy
- VUPEN/ADV-2006-4525: Citrix Advanced Access Control Login and Browser-Only Security Bypass Vulnerabilities
Platforms Affected:
- Citrix Advanced Access Control 4.0
- Citrix Advanced Access Control 4.2
Reported:
Nov 15, 2006
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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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.