Vulnerability Details

DeepOfix SMTP Authentication Bypass

Published: 2013-11-19 14:05:15
CVE Author: NIST National Vulnerability Database

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

Impact:
An Attacker could login in the SMTP server knowing only the username of one user in the server and he could sends emails. One important thing is that the user 'admin' always exists in the server.

Detection Method:
Try to bypass authentication for the user 'admin'.

Technical Details:
The vulnerability allows an attacker to bypass the authentication in the SMTP server to send emails. The problem is that the SMTP server performs authentication against LDAP by default, and the service does not check that the password is null if this Base64. This creates a connection 'anonymous' but with a user account without entering the password.

Recommendations:
Ask the vendor for an Update or disable 'anonymous LDAP bind' in your LDAP server.

Summary:
DeepOfix versions 3.3 and below suffer from an SMTP server authentication bypass vulnerability due to an LDAP issue.

Affected Versions:
DeepOfix 3.3 and below are vulnerable.

Solution Type:
Mitigation

Detection Type:
Remote Vulnerability

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2013-6796

References:

http://packetstormsecurity.com/files/124054/DeepOfix-3.3-SMTP-Authentication-Bypass.html

Severity
Medium
CVSS Score
5.0
Published
2013-11-19
Modified
2019-05-03
Category
SMTP problems

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