1. CVE-Search
  2. CVE-2018-0231
ID CVE-2018-0231
Summary 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.
References
Vulnerable Configurations
  • cpe:2.3:o:cisco:adaptive_security_appliance_software:9.8\(1\):*:*:*:*:*:*:*
    cpe:2.3:o:cisco:adaptive_security_appliance_software:9.8\(1\):*:*:*:*:*:*:*
  • cpe:2.3:o:cisco:adaptive_security_appliance_software:98.1\(1.154\):*:*:*:*:*:*:*
    cpe:2.3:o:cisco:adaptive_security_appliance_software:98.1\(1.154\):*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_threat_defense:6.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:firepower_threat_defense:6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_threat_defense:6.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:firepower_threat_defense:6.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_threat_defense:6.0.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:firepower_threat_defense:6.0.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_threat_defense:6.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:firepower_threat_defense:6.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_threat_defense:6.0.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:firepower_threat_defense:6.0.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_threat_defense:6.0.1.2:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:firepower_threat_defense:6.0.1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_threat_defense:6.0.1.3:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:firepower_threat_defense:6.0.1.3:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_threat_defense:6.0.1.4:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:firepower_threat_defense:6.0.1.4:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_threat_defense:6.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:firepower_threat_defense:6.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_threat_defense:6.1.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:firepower_threat_defense:6.1.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_threat_defense:6.1.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:firepower_threat_defense:6.1.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_threat_defense:6.1.0.3:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:firepower_threat_defense:6.1.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_threat_defense:6.1.0.4:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:firepower_threat_defense:6.1.0.4:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_threat_defense:6.1.0.5:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:firepower_threat_defense:6.1.0.5:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_threat_defense:6.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:firepower_threat_defense:6.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:firepower_threat_defense:6.2.2:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:firepower_threat_defense:6.2.2:*:*:*:*:*:*:*
CVSS
Base: 7.8 (as of 15-08-2023 - 15:37)
Impact:
Exploitability:
CWE CWE-787
CAPEC
Access
VectorComplexityAuthentication
NETWORK LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE COMPLETE
cvss-vector via4 AV:N/AC:L/Au:N/C:N/I:N/A:C
refmap via4
confirm https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-asa3
misc https://ics-cert.us-cert.gov/advisories/ICSA-18-184-01
sectrack 1040725
Last major update 15-08-2023 - 15:37
Published 19-04-2018 - 20:29
Last modified 15-08-2023 - 15:37
Back to Top