Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Buffer Vulnerability

8.6 CVSS

Vulnerability Description

A vulnerability in the RADIUS proxy feature for the IPsec VPN feature of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper processing of IPv6 packets. An attacker could exploit this vulnerability by sending IPv6 packets over an IPsec VPN connection to an affected device. A successful exploit could allow the attacker to trigger a reload of the device, resulting in a DoS condition.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fp2k-IPsec-dos-tjwgdZCO

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Affected Vendor

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Affected Software

Cisco Firepower Threat Defense Software

Vulnerable Versions:

6.2.3, 6.2.3.9, 6.2.3.1, 6.2.3.2, 6.2.3.10, 6.4.0, 6.4.0.3, 6.4.0.4, 6.2.3.15, 6.2.3.6, 6.2.3.7, 6.2.3.12, 6.2.3.3, 6.2.3.11, 6.4.0.6, 6.2.3.13, 6.2.3.8, 6.2.3.4, 6.4.0.1, 6.2.3.5, 6.4.0.5, 6.2.3.14, 6.4.0.2, 6.4.0.8, 6.4.0.7, 6.6.0, 6.4.0.9, 6.2.3.16, 6.6.0.1, 6.6.1, 6.4.0.10, 6.4.0.11, 6.6.3, 6.6.4, 6.4.0.12, 7.0.0, 6.2.3.17, 7.0.0.1, 6.6.5, 7.0.1, 7.1.0, 6.4.0.13, 6.6.5.1, 6.2.3.18, 7.0.1.1, 6.4.0.14, 7.1.0.1, 6.6.5.2, 7.0.2, 6.4.0.15, 7.2.0, 7.0.2.1, 7.0.3, 6.6.7, 7.2.0.1, 7.0.4, 7.2.1, 7.0.5, 6.4.0.16, 7.3.0, 7.2.2, 6.6.7.1, 7.2.3, 7.3.1, 7.1.0.3, 7.2.4, 7.0.6, 7.2.5, 7.2.4.1, 7.3.1.1, 6.4.0.17, 7.0.6.1, 7.2.5.1, 7.4.1, 7.2.6, 7.0.6.2, 7.4.1.1, 6.6.7.2, 6.4.0.18, 7.2.7, 7.2.5.2, 7.3.1.2, 7.2.8, 7.4.2, 7.2.8.1, 7.0.6.3, 7.4.2.1, 7.2.9