National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-0231 Detail

Current Description

A vulnerability in the Transport Layer Security (TLS) library of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a reload of the affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a malicious TLS message to an interface enabled for Secure Layer Socket (SSL) services on an affected device. Messages using SSL Version 3 (SSLv3) or SSL Version 2 (SSLv2) cannot be be used to exploit this vulnerability. An exploit could allow the attacker to cause a buffer underflow, triggering a crash on an affected device. This vulnerability affects Cisco ASA Software and Cisco FTD Software that is running on the following Cisco products: Adaptive Security Virtual Appliance (ASAv), Firepower Threat Defense Virtual (FTDv), Firepower 2100 Series Security Appliance. Cisco Bug IDs: CSCve18902, CSCve34335, CSCve38446.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 8.6 HIGH
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securitytracker.com/id/1040725 Third Party Advisory VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-184-01 Third Party Advisory US Government Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-asa3 Vendor Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-787 Out-of-bounds Write NIST  
CWE-20 Improper Input Validation Cisco Systems, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:cisco:adaptive_security_appliance_software:9.8\(1\):*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cisco:adaptive_security_appliance_software:98.1\(1.154\):*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
6.0
Up to (excluding)
6.1.0.6
 cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
6.2.1
Up to (excluding)
6.2.2.1


Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-0231
NVD Published Date:
04/19/2018
NVD Last Modified:
10/09/2019