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Cisco Firepower Detection Engine SSL Denial of Service Vulnerability

cisco-sa-20170405-cfpw · Medium · Published · Updated

A vulnerability in the detection engine reassembly of Secure Sockets Layer (SSL) packets for Cisco Firepower System Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition because the Snort process consumes a high level of CPU resources. The vulnerability is due to improper handling of an SSL packet stream. An attacker could exploit this vulnerability by sending a crafted SSL packet stream to the detection engine on the targeted device. An exploit could allow the attacker to cause a DoS condition because the Snort process consumes a high level of CPU resources. The device must be manually reloaded to recover from this condition. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-cfpw

Cisco advisory ·CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2017-3885
Cisco Bug IDsCSCvc58563
CVSS ScoreBase 6.8
Base 6.8 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H/E:X/RL:X/RC:X
Product Names From Source
Cisco Firepower Management Center 6.0.0, Cisco Firepower Management Center 6.1.0, Cisco Firepower Management Center 6.2.0, Cisco Firepower Management Center 6.2.1, Cisco Secure Firewall Management Center (FMC), Cisco Firepower Management Center

Related Products

Product CVE Evidence
Cisco Secure Firewall Management Center (FMC) CVE-2017-3885 Cisco OpenVuln
Cisco Firepower System Software CVE-2017-3885 Cisco OpenVuln
Cisco Firepower Management Center CVE-2017-3885 Cisco OpenVuln