Vulnerability Monitor

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CVE-2018-0272

A vulnerability in the Secure Sockets Layer (SSL) Engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper error handling while processing SSL traffic. An attacker could exploit this vulnerability by sending a large volume of crafted SSL traffic to the vulnerable device. A successful exploit could allow the attacker to degrade the device performance by triggering a persistent high CPU utilization condition. Cisco Bug IDs: CSCvh89340.

Published

2018-04-19T20:29:01.643

Last Modified

2024-11-21T03:37:51.427

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 5.9 (MEDIUM)

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: Secondary
CWE-399
Type: Primary
CWE-755

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	cisco	firepower	6.2.1	Yes
Application	cisco	firepower	6.2.2.1	Yes

References

http://www.securityfocus.com/bid/103925 Third Party Advisory, VDB Entry ([email protected])
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-firepower Mitigation, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/103925 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-firepower Mitigation, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)