Improper input validation in Cisco Systems, Inc products - CVE-2017-6607
Published: April 19, 2017
Vulnerability identifier: #VU6312
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-6607
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause denial of service vulnerability.
The vulnerability exists due to improper parsing of malformed DNS responses. A remote attacker can send trigger the device to send a DNS request to malicious DNS server, reply with specially crafted DNS response packet perform a denial of service (DoS) attack.
Successful exploitation of the vulnerability may allow an attacker to reload the affected device causing DoS conditions or corrupt local DNS cache information.
Affected software
Cisco ISA 3000 Industrial Security Appliance
Cisco Firepower 9300 ASA Security Module
Cisco 7600 Series ASA Services Module
Cisco Catalyst 6500 Series ASA Services Module
Cisco ASA 5500-X Series
Cisco ASA 5500
Cisco ASA 1000V Cloud Firewall
Cisco Adaptive Security Appliance (ASA)
Cisco Adaptive Security Virtual Appliance (ASAv)
Cisco Firepower 9300 ASA Security Module
Cisco 7600 Series ASA Services Module
Cisco Catalyst 6500 Series ASA Services Module
Cisco ASA 5500-X Series
Cisco ASA 5500
Cisco ASA 1000V Cloud Firewall
Cisco Adaptive Security Appliance (ASA)
Cisco Adaptive Security Virtual Appliance (ASAv)
How to mitigate CVE-2017-6607
Install updates from vendor's website.
|
Prior to 9.01 |
Affected, migrate to 9.1(7.12) or later |
|
9.01 |
Affected, migrate to 9.1(7.12) or later |
| 9.1 |
9.1(7.12) or later |
|
9.2 |
9.2(4.18) or later |
|
9.31 |
Affected, migrate to 9.4(3.12) or later |
| 9.4 |
9.4(3.12) or later |
|
9.5 |
9.5(3.2) or later |
| 9.6 |
9.6(2.2) or later |
| 9.7 |
Not affected |
| 9.8 | Not affected |