Vulnerability Monitor

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CVE-2016-6439

A vulnerability in the detection engine reassembly of HTTP packets for Cisco Firepower System Software before 6.0.1 could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition due to the Snort process unexpectedly restarting. The vulnerability is due to improper handling of an HTTP packet stream. An attacker could exploit this vulnerability by sending a crafted HTTP packet stream 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.

Published

2016-10-27T21:59:11.093

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-399
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application cisco secure_firewall_management_center 5.3.0 Yes
Application cisco secure_firewall_management_center 5.3.0.2 Yes
Application cisco secure_firewall_management_center 5.3.0.3 Yes
Application cisco secure_firewall_management_center 5.3.0.4 Yes
Application cisco secure_firewall_management_center 5.3.1 Yes
Application cisco secure_firewall_management_center 5.3.1.3 Yes
Application cisco secure_firewall_management_center 5.3.1.4 Yes
Application cisco secure_firewall_management_center 5.3.1.5 Yes
Application cisco secure_firewall_management_center 5.3.1.6 Yes
Application cisco secure_firewall_management_center 5.4.0 Yes
Application cisco secure_firewall_management_center 5.4.0.2 Yes
Application cisco secure_firewall_management_center 5.4.1 Yes
Application cisco secure_firewall_management_center 5.4.1.1 Yes
Application cisco secure_firewall_management_center 5.4.1.2 Yes
Application cisco secure_firewall_management_center 5.4.1.3 Yes
Application cisco secure_firewall_management_center 5.4.1.4 Yes
Application cisco secure_firewall_management_center 5.4.1.5 Yes
Application cisco secure_firewall_management_center 5.4.1.6 Yes
Application cisco secure_firewall_management_center 5.4_base Yes
Application cisco secure_firewall_management_center 6.0.0 Yes
Application cisco secure_firewall_management_center 6.0.0.0 Yes
Application cisco secure_firewall_management_center 6.0.0.1 Yes
Application cisco secure_firewall_management_center 6.0.1 Yes
Application cisco secure_firewall_management_center 6.0_base Yes
References