Executive Summary

Summary
Title Cisco ASA Software Internet Key Exchange Version 1 XAUTH Denial of Service Vulnerability
Informations
Name cisco-sa-20170419-asa-xauth First vendor Publication 2017-04-19
Vendor Cisco Last vendor Modification 2017-04-19
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:N/I:N/A:C)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

A vulnerability in the Internet Key Exchange Version 1 (IKEv1) XAUTH code of Cisco ASA Software could allow an authenticated, remote attacker to cause a reload of an affected system.

The vulnerability is due to insufficient validation of the IKEv1 XAUTH parameters passed during an IKEv1 negotiation. An attacker could exploit this vulnerability by sending crafted parameters.

Note: Only traffic directed to the affected system can be used to exploit this vulnerability. This vulnerability only affects systems configured in routed firewall mode and in single or multiple context mode. This vulnerability can be triggered by IPv4 or IPv6 traffic. A valid IKEv1 Phase 1 needs to be established to exploit this vulnerability, which means that an attacker would need to have knowledge of a pre-shared key or have a valid certificate for phase 1 authentication.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170419-asa-xauth ["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170419-asa-xauth"]

BEGIN PGP SIGNATURE

iQKBBAEBAgBrBQJY94zEZBxDaXNjbyBTeXN0ZW1zIFByb2R1Y3QgU2VjdXJpdHkg SW5jaWRlbnQgUmVzcG9uc2UgVGVhbSAoQ2lzY28gUFNJUlQga2V5IDIwMTYtMjAx NykgPHBzaXJ0QGNpc2NvLmNvbT4ACgkQrz2APcQAkHnO1w/+Ix6KNGqY7EIckP18 H8xH5UvJhdGrhsZEesqzte6xzBvxK04dJUjL4xGiii9CSklb9OH6r7JO9BGAcsjk GgtT21erl1fbjrlwJivIak8FaOnqubdQC4PT9A9o7Doxcg6g6Ny940EIeIfEUTgT Ijw08xFGOTUZKIyCn+FGiNfDIL1PsMaK4I1QQML73HHVgOjIX64UH2IGtGDCq/Vp Uku1UES0BKA2CE/GNuSMbCuti4f4Eml6tsDKY0Yncxm33My/zbuwS2Vag5X3BH9Y 48XHZ6BX3J/4u5n9j7qYOLQv/83VQdOzUVevdtdJ3DmpVECRyjm9/ZIGwMx5pnm3 m2oHkHP51aXnOURFUx70LZDmnkK39rQRI4GGnYE3c4zvJkaJWD1UQlSRl8/T4cI2 FYjceOGDvRes46OlhIKWCIKFp+Y6jP+q2svV6HRWRXc6YzLekn4eFzc4CersX2Sf U8wo8JsIzi0ZPbIUbvVrHV6vaCwodiLhHDELachqj+G+THXQPSn9bD1qzTy51MlG 5x4eSxKA6xB9mDdNsvxA/y4edNBSHOwFXnCsWJ6+0KYZcIvNmkzsx06xFr+V7bzA rxou211T2q/QpDduErFjy27/Y7hhbf3T+Qv209hOYQ3LzUaj97ehZVAvsvYWYn5G xdwISDOhMr8PJM9zxnIkNZY9IM0= =UFZE END PGP SIGNATURE

_______________________________________________ cust-security-announce mailing list cust-security-announce@cisco.com To unsubscribe, send the command "unsubscribe" in the subject of your message to cust-security-announce-leave@cisco.com

Original Source

Url : http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco (...)

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 97

Nessus® Vulnerability Scanner

Date Description
2017-04-25 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20170419-asa-xauth.nasl - Type : ACT_GATHER_INFO

Alert History

If you want to see full details history, please login or register.
0
1
2
3
Date Informations
2017-04-28 21:25:04
  • Multiple Updates
2017-04-26 13:20:57
  • Multiple Updates
2017-04-21 05:24:01
  • Multiple Updates
2017-04-20 17:23:00
  • First insertion