CVE-2018-15454

CVSS V2 High 7.8 CVSS V3 High 8.6
Description
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.
Overview
  • CVE ID
  • CVE-2018-15454
  • Assigner
  • ykramarz@cisco.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-11-01T12:29:00
  • Last Modified Date
  • 2019-10-09T23:35:40
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* 1 OR 9.4 9.4.4.27
cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* 1 OR 9.6 9.6.4.18
cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* 1 OR 9.8 9.8.3.16
cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* 1 OR 9.9 9.9.2.32
cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* 1 OR 9.10 9.10.1.2
cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* 1 OR 6.1.0 6.1.0.7
cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* 1 OR 6.2.0 6.2.0.6
cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* 1 OR 6.2.2 6.2.2.4
cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* 1 OR 6.2.3 6.2.3.7
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.8
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 8.6
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 4
References
Reference URL Reference Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181031-asaftd-sip-dos Mitigation Vendor Advisory
http://www.securityfocus.com/bid/105768 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1042129 Third Party Advisory VDB Entry
History
Created Old Value New Value Data Type Notes
2022-05-10 17:06:09 Added to TrackCVE
2022-12-03 14:01:37 psirt@cisco.com ykramarz@cisco.com CVE Assigner updated
2022-12-03 14:01:37 2018-11-01T12:29Z 2018-11-01T12:29:00 CVE Published Date updated
2022-12-03 14:01:37 2019-10-09T23:35:40 CVE Modified Date updated
2022-12-03 14:01:37 Modified Vulnerability Status updated