Denial of Service Vulnerability in Cisco Firepower System Software
CVE-2018-0233

8.6HIGH

Key Information:

Vendor

Cisco
Status
Cisco Firepower Detection Engine
Vendor
CVE Published:
19 April 2018

What is CVE-2018-0233?

A vulnerability exists in the SSL packet reassembly functionality of the detection engine within the Cisco Firepower System Software. This situation allows an unauthenticated, remote attacker to exploit the system by sending specially crafted SSL connections that could cause excessive memory consumption on the affected device. As a result, this may lead to a denial of service (DoS) condition. Recovery from this issue often requires manual rebooting of the affected device. The vulnerability is specifically noted to affect software versions 6.0.0 and later across various Cisco products.

Affected Version(s)

Cisco Firepower Detection Engine Cisco Firepower Detection Engine

References

https://tools.cisco.com/security/center/content/CiscoSecu...
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http://www.securityfocus.com/bid/103930
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CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.