Executive Summary

Informations
Name CVE-2016-6431 First vendor Publication 2016-10-27
Vendor Cve Last vendor Modification 2023-08-15

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:C)
Cvss Base Score 7.1 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A vulnerability in the local Certificate Authority (CA) feature of Cisco ASA Software before 9.6(1.5) could allow an unauthenticated, remote attacker to cause a reload of the affected system. The vulnerability is due to improper handling of crafted packets during the enrollment operation. An attacker could exploit this vulnerability by sending a crafted enrollment request to the affected system. An exploit could allow the attacker to cause the reload of the affected system. Note: Only HTTPS packets directed to the Cisco ASA interface, where the local CA is allowing user enrollment, can be used to trigger this vulnerability. This vulnerability affects systems configured in routed firewall mode and in single or multiple context mode.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6431

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 206

Snort® IPS/IDS

Date Description
2016-10-20 Cisco ASA Crypto CA Server out of bounds read attempt
RuleID : 40498 - Revision : 2 - Type : SERVER-WEBAPP

Nessus® Vulnerability Scanner

Date Description
2016-10-26 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20161019-asa-ca.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/93786
CONFIRM http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa...
SECTRACK http://www.securitytracker.com/id/1037060

Alert History

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Date Informations
2023-08-15 21:28:38
  • Multiple Updates
2023-08-12 05:28:54
  • Multiple Updates
2021-05-04 12:53:42
  • Multiple Updates
2021-04-22 02:04:53
  • Multiple Updates
2020-05-23 00:52:40
  • Multiple Updates
2018-10-31 00:21:11
  • Multiple Updates
2018-05-08 12:06:56
  • Multiple Updates
2017-07-29 12:05:21
  • Multiple Updates
2016-12-23 12:32:16
  • Multiple Updates
2016-11-29 00:26:33
  • Multiple Updates
2016-10-29 00:23:57
  • Multiple Updates
2016-10-28 17:23:32
  • First insertion