Vulnerability Name:

CVE-2017-12244 (CCN-133019)

Assigned:2017-10-04
Published:2017-10-04
Updated:2019-10-09
Summary:A vulnerability in the detection engine parsing of IPv6 packets for Cisco Firepower System Software could allow an unauthenticated, remote attacker to cause high CPU utilization or to cause a denial of service (DoS) condition because the Snort process restarts unexpectedly. The vulnerability is due to improper input validation of the fields in the IPv6 extension header packet. An attacker could exploit this vulnerability by sending a malicious IPv6 packet to the detection engine on the targeted device. An exploit could allow the attacker to cause a DoS condition if the Snort process restarts and traffic inspection is bypassed or traffic is dropped. This vulnerability is specific to IPv6 traffic only. This vulnerability affects Cisco Firepower System Software Releases 6.0 and later when the software has one or more file action policies configured and is running on any of the following Cisco products: 3000 Series Industrial Security Appliances (ISR), Adaptive Security Appliance (ASA) 5500-X Series with FirePOWER Services, Adaptive Security Appliance (ASA) 5500-X Series Next-Generation Firewalls, Advanced Malware Protection (AMP) for Networks, 7000 Series Appliances, Advanced Malware Protection (AMP) for Networks, 8000 Series Appliances, FirePOWER 7000 Series Appliances, FirePOWER 8000 Series Appliances, Firepower Threat Defense for Integrated Services Routers (ISRs), Firepower 2100 Series Security Appliances, Firepower 4100 Series Security Appliances, Firepower 9300 Series Security Appliances, Virtual Next-Generation Intrusion Prevention System (NGIPSv) for VMware. Cisco Bug IDs: CSCvd34776.
CVSS v3 Severity:8.6 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)
7.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
8.6 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)
7.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-12244

Source: BID
Type: Third Party Advisory, VDB Entry
101119

Source: CCN
Type: BID-101119
Cisco Firepower System Software CVE-2017-12244 Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
cisco-firepower-cve201712244-dos(133019)

Source: CCN
Type: Cisco Security Advisory cisco-sa-20171004-fpsnort
Cisco Firepower Detection Engine IPv6 Denial of Service Vulnerability

Source: CONFIRM
Type: Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-fpsnort

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cisco:firepower_management_center:6.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_management_center:6.0.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_management_center:6.0.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_management_center:6.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_management_center:6.0.1.3:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_management_center:6.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_management_center:6.1.0.3:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_management_center:6.1.0.6:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_management_center:6.2.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_management_center:6.2.0.2:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_management_center:6.2.1:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_management_center:6.2.2:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:cisco:firepower_system_software:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco firepower management center 6.0.0
    cisco firepower management center 6.0.0.0
    cisco firepower management center 6.0.0.1
    cisco firepower management center 6.0.1
    cisco firepower management center 6.0.1.3
    cisco firepower management center 6.1.0
    cisco firepower management center 6.1.0.3
    cisco firepower management center 6.1.0.6
    cisco firepower management center 6.2.0
    cisco firepower management center 6.2.0.2
    cisco firepower management center 6.2.1
    cisco firepower management center 6.2.2
    cisco firepower system software -