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Multiple Cisco Products LDAP Server SSL Certificate Validation Vulnerability

Cisco-SA-20150724-CVE-2015-4288 · Medium · Published · Updated

A vulnerability in SSL certificate validation of multiple Cisco products could allow an unauthenticated, remote attacker to stage a man-in-the-middle attack. The vulnerability is due to lack of SSL certificate validation for secure LDAP. An attacker could exploit this vulnerability to stage a man-in-the-middle attack when secure LDAP is enabled on an affected device. Successful exploitation could allow the attacker to access sensitive information. Cisco has confirmed the vulnerability; however, software updates are not available. To exploit this vulnerability, an attacker must be in a position in the network to conduct a man-in-the-middle attack between devices communicating with the targeted device. In addition, the attacker may need to acquire additional information about the device, such as whether secure LDAP is enabled on the device. This feature must be enabled for a successful exploit. Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.

Workarounds

Administrators are advised to contact the vendor regarding future updates and releases.

Administrators are advised to allow only trusted users to have network access.

Administrators are advised to monitor affected systems.

CVEsCVE-2015-4288
Cisco Bug IDsCSCuo29561, CSCuv40466, CSCuv40470
CVSS ScoreBase 4.3
Base 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N/E:F/RL:U/RC:C
Product Names From Source
Cisco Web Security Appliance (WSA), Cisco Email Security Appliance (ESA), Cisco Content Security Management Appliance (SMA), Cisco Secure Email and Web Manager, Cisco Secure Web Appliance

Related Products

Product CVE Evidence
Cisco Web Security Appliance (WSA) CVE-2015-4288 Cisco OpenVuln
Cisco Secure Web Appliance CVE-2015-4288 Cisco OpenVuln
Cisco Secure Email and Web Manager CVE-2015-4288 Cisco OpenVuln
Cisco Secure Email CVE-2015-4288 Cisco OpenVuln
Cisco Email Security Appliance (ESA) CVE-2015-4288 Cisco OpenVuln
Cisco Content Security Management Appliance (SMA) CVE-2015-4288 Cisco OpenVuln