Denial of Service Vulnerability in Cisco Firepower System Software
CVE-2018-0283

5.8MEDIUM

Key Information:

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

Summary

A flaw in the detection engine of Cisco Firepower System Software could enable an unauthenticated remote attacker to restart the Snort detection engine on a vulnerable device. This vulnerability arises from improper management of the Transport Layer Security (TLS) TCP connection setup. By sending specifically crafted TLS traffic to the affected device, an attacker could exploit this issue, leading to a transient denial of service condition as the detection engine restarts.

Affected Version(s)

Cisco Firepower System Software Cisco Firepower System Software

References

http://www.securityfocus.com/bid/104121
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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

.