Vulnerability Monitor

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CVE-2018-15454

A vulnerability in the Session Initiation Protocol (SIP) inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload or trigger high CPU, resulting in a denial of service (DoS) condition. The vulnerability is due to improper handling of SIP traffic. An attacker could exploit this vulnerability by sending SIP requests designed to specifically trigger this issue at a high rate across an affected device. Software updates that address this vulnerability are not yet available.

Published

2018-11-01T12:29:00.190

Last Modified

2024-11-21T03:50:50.363

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 8.6 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

6.9

Weaknesses
  • Type: Secondary
    CWE-20
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco adaptive_security_appliance_software < 9.4.4.27 Yes
Operating System cisco adaptive_security_appliance_software < 9.6.4.18 Yes
Operating System cisco adaptive_security_appliance_software < 9.8.3.16 Yes
Operating System cisco adaptive_security_appliance_software < 9.9.2.32 Yes
Operating System cisco adaptive_security_appliance_software < 9.10.1.2 Yes
Application cisco firepower_threat_defense < 6.1.0.7 Yes
Application cisco firepower_threat_defense < 6.2.0.6 Yes
Application cisco firepower_threat_defense < 6.2.2.4 Yes
Application cisco firepower_threat_defense < 6.2.3.7 Yes
References