CVE-2017-6752: Infoleak
First published: Mon Aug 07 2017(Updated: )
A vulnerability in the web interface of the Cisco Adaptive Security Appliance (ASA) 9.3(3) and 9.6(2) 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. Cisco Bug IDs: CSCvd47888.
Credit: ykramarz@cisco.com ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Adaptive Security Appliance Software | =9.3.3 | |
| Cisco Adaptive Security Appliance Software | =9.6.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-6752?
CVE-2017-6752 is classified as a medium severity vulnerability.
How do I fix CVE-2017-6752?
To fix CVE-2017-6752, upgrade the Cisco Adaptive Security Appliance software to a version that addresses this vulnerability.
What type of attack can CVE-2017-6752 facilitate?
CVE-2017-6752 can facilitate reconnaissance attacks by allowing an attacker to determine valid usernames.
Which versions of Cisco Adaptive Security Appliance Software are affected by CVE-2017-6752?
CVE-2017-6752 affects Cisco Adaptive Security Appliance Software versions 9.3(3) and 9.6(2).
Is authentication required to exploit CVE-2017-6752?
No, CVE-2017-6752 can be exploited by an unauthenticated remote attacker.
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