Business logic errors in Cisco ASA 5500-X Series - CVE-2018-0240
Published: April 23, 2018
Vulnerability identifier: #VU12089
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-0240
CWE-ID: CWE-840
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco ASA 5500-X Series
Cisco ASA 5500-X Series
Detailed vulnerability description
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.
The weakness exists in the Application Layer Protocol Inspection feature due to logical errors during traffic inspection. A remote attacker can send a high volume of malicious traffic, trigger a deadlock condition and cause the service to crash.
The weakness exists in the Application Layer Protocol Inspection feature due to logical errors during traffic inspection. A remote attacker can send a high volume of malicious traffic, trigger a deadlock condition and cause the service to crash.
How to mitigate CVE-2018-0240
Update to versions 201.2(1.1), 201.1(15.7), 101.3(1.2), 99.1(20.148), 99.1(0.4), 98.2(10.4), 98.2(0.11), 97.1(0.170), 96.2(0.163), 9.9(1.77), 9.9(1), 9.8(2.235), 9.8(2.12), 9.7(1.17), 9.6(4), 9.6(3.18), 201.2(11.1), 201.2(1.22), 201.1(15.19), 101.4(1.14), 99.2(0.25), 99.1(20.186), 98.2(0.16), 97.1(0.177), 96.4(0.15), 9.9(2), 9.9(1.99), 9.9(1.4), 9.8(2.235), 9.8(2.218), 9.8(2.21), 9.7(1.115), 9.7(1.22), 9.6(4.6), 9.6(3.240), 9.6(3.27), 201.2(15.2), 201.2(11.1), 201.2(1.34), 201.2(1.32), 201.1(15.24), 201.1(15.23), 101.4(1.31), 101.4(1.29), 99.2(0.47), 99.2(0.44), 99.1(20.193), 99.1(20.192), 98.2(0.18), 97.1(0.178), 96.4(0.16), 9.9(2), 9.9(1.99), 9.9(1.4), 9.8(2.236), 9.8(2.235), 9.8(2.218), 9.8(2.22), 9.7(1.115), 9.7(1.23), 9.6(4.6), 9.6(3.240) or 9.6(3.28).