Vulnerability Name:

CVE-2017-6632 (CCN-126162)

Assigned:2017-05-17
Published:2017-05-17
Updated:2019-10-09
Summary:A vulnerability in the logging configuration of Secure Sockets Layer (SSL) policies for Cisco FirePOWER System Software 5.3.0 through 6.2.2 could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition due to high consumption of system resources. The vulnerability is due to the logging of certain TCP packets by the affected software. An attacker could exploit this vulnerability by sending a flood of crafted TCP packets to an affected device. A successful exploit could allow the attacker to cause a DoS condition. The success of an exploit is dependent on how an administrator has configured logging for SSL policies for a device. This vulnerability affects Cisco FirePOWER System Software that is configured to log connections by using SSL policy default actions. Cisco Bug IDs: CSCvd07072.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.8 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L)
5.1 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L/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): Low
CVSS v2 Severity:7.8 High (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
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
5.0 Medium (CCN 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
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-400
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-6632

Source: BID
Type: Third Party Advisory, VDB Entry
98523

Source: CCN
Type: BID-98523
Cisco Firepower System Software CVE-2017-6632 Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
cisco-fpwr-cve20176632-dos(126162)

Source: CCN
Type: Cisco Security Advisory cisco-sa-20170517-fpwr
Cisco FirePOWER System Software SSL Logging Denial of Service Vulnerability

Source: CONFIRM
Type: Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170517-fpwr

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cisco:firepower_threat_defense:5.3.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_threat_defense:5.4.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_threat_defense:6.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_threat_defense:6.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_threat_defense:6.0.1.3:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_threat_defense:6.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_threat_defense:6.1.0.2:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_threat_defense:6.2.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_threat_defense:6.2.1:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_threat_defense:6.2.2:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:firepower_threat_defense:6.2_base:*:*:*:*:*:*:*

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

    • * Denotes that component is vulnerable
    BACK
    cisco firepower threat defense 5.3.0
    cisco firepower threat defense 5.4.0
    cisco firepower threat defense 6.0.0
    cisco firepower threat defense 6.0.1
    cisco firepower threat defense 6.0.1.3
    cisco firepower threat defense 6.1.0
    cisco firepower threat defense 6.1.0.2
    cisco firepower threat defense 6.2.0
    cisco firepower threat defense 6.2.1
    cisco firepower threat defense 6.2.2
    cisco firepower threat defense 6.2_base
    cisco firepower management center *
    cisco firepower system software -