Cisco Adaptive Security Appliance Username Enumeration Information Disclosure Vulnerability

A vulnerability in the web interface of the Cisco Adaptive Security Appliance (ASA) could allow an unauthenticated, remote attacker to determine valid usernames. The attacker could use this information to conduct additional reconnaissance attacks.

The vulnerability is due to the interaction between Lightweight Directory Access Protocol (LDAP) and SSL Connection Profile when they are configured together. An attacker could exploit the vulnerability by performing a username enumeration attack to the IP address of the device. An exploit could allow the attacker to determine valid usernames.

There are workarounds that address this vulnerability.

This advisory is available at the following link:
http://ift.tt/2wm8GWe A vulnerability in the web interface of the Cisco Adaptive Security Appliance (ASA) could allow an unauthenticated, remote attacker to determine valid usernames. The attacker could use this information to conduct additional reconnaissance attacks.

The vulnerability is due to the interaction between Lightweight Directory Access Protocol (LDAP) and SSL Connection Profile when they are configured together. An attacker could exploit the vulnerability by performing a username enumeration attack to the IP address of the device. An exploit could allow the attacker to determine valid usernames.

There are workarounds that address this vulnerability.

This advisory is available at the following link:
http://ift.tt/2wm8GWe
Security Impact Rating: Medium
CVE: CVE-2017-6752

from Cisco Security Advisory http://ift.tt/2wm8GWe