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Test ID:1.3.6.1.4.1.25623.1.0.105985
Category:CISCO
Title:Cisco ASA Clientless VPN Information Disclosure and DoS Vulnerability (cisco-sa-20141008-asa)
Summary:A vulnerability in the Clientless SSL VPN portal feature could; allow an unauthenticated, remote attacker to access random memory locations. Due to this; vulnerability, the attacker may be able to access the information stored in memory and in some; cases may be able to corrupt this portion of memory, which could lead to a reload of the affected; system.
Description:Summary:
A vulnerability in the Clientless SSL VPN portal feature could
allow an unauthenticated, remote attacker to access random memory locations. Due to this
vulnerability, the attacker may be able to access the information stored in memory and in some
cases may be able to corrupt this portion of memory, which could lead to a reload of the affected
system.

Vulnerability Insight:
The vulnerability is due to insufficient sanitization of
user-supplied input. An authenticated, remote attacker could exploit this vulnerability by
setting random values on parameters passed during access to the Clientless SSL VPN portal.

Vulnerability Impact:
A successful exploit could allow the attacker to access
sensitive information in memory. In some cases, the attacker could corrupt a portion of memory
that could cause the targeted device to reload abnormally. Repeated exploitation could lead to a
sustained DoS condition for legitimate users.

Affected Software/OS:
Cisco ASA version 8.2, 8.3, 8.4, 8.6, 9.0, 9.1, 9.2 and 9.3.

Solution:
See the referenced vendor advisory for a solution.

CVSS Score:
8.3

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2014-3392
Cisco Security Advisory: 20141008 Multiple Vulnerabilities in Cisco ASA Software
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20141008-asa
CopyrightCopyright (C) 2015 Greenbone Networks GmbH

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