36489 : Symantec Enterprise Firewall VPN PSK Authentication User Enumeration
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
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Timeline

Disclosure Date
2007-08-16

Description

Symantec Enterprise Firewall contains a flaw that may lead to an unauthorized information disclosure. When Symantec Enterprise Firewall is configured for client-to-gateway VPN (remote access) it responds differently to valid and invalid usernames. A malicious user can use this to disclose a valid username, resulting in a loss of confidentiality.

Classification

Location: Remote / Network Access
Attack Type: Information Disclosure
Impact: Loss of Confidentiality
Exploit: Exploit Unknown
Disclosure: OSVDB Verified, Vendor Verified
OSVDB: Security Software

Solution

Currently, there are no known upgrades or patches to correct this issue. It is possible to correct the flaw by implementing the following workaround(s): configure the Client VPN with a username of "default-ikeuser".

Products

Symantec Corporation

Enterprise Firewall

6.x

References

Security Tracker: 1018578
CVE ID: 2007-4422 (see also: NVD)
Bugtraq ID: 25338
Secunia Advisory ID: 26511
ISS X-Force ID: 36081
VUPEN Advisory: ADV-2007-2909
Other Advisory URL: http://securityresponse.symantec.com/avcenter/security/Content/2007.08.16.html
Vendor Specific News/Changelog Entry: http://www.symantec.com/avcenter/security/Content/2007.08.16.html

Credit

Roy Hills - Roy.Hillsnta-monitor.com - NTA Monitor Ltd.

CVSSv2 Score

CVSSv2 Base Score = 9.3
Source: nvd.nist.gov | Generated: 2007-08-20 | Disagree?

Blogs

This product uses the Daylife API but is not endorsed or certified by Daylife.

This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.

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