Remote Denial of Service Vulnerability in Cisco Firepower System Software
CVE-2018-0281

5.8MEDIUM

Key Information:

Vendor

Cisco
Status
Cisco Firepower System Software
Vendor
CVE Published:
2 May 2018

What is CVE-2018-0281?

A vulnerability within the detection engine of Cisco Firepower System Software permits an unauthenticated, remote attacker to trigger a restart of the Snort detection engine on affected devices. This interruption arises from improper handling of a Transport Layer Security (TLS) extension during the establishment of TLS connections. By sending a specially crafted TLS connection request, an attacker can exploit this vulnerability, leading to a temporary denial of service (DoS) condition on the affected system's detection capabilities.

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Affected Version(s)

Cisco Firepower System Software Cisco Firepower System Software

References

http://www.securityfocus.com/bid/104096
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https://tools.cisco.com/security/center/content/CiscoSecu...
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CVSS V3.1

Score:
5.8
Severity:
MEDIUM
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

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