Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2018-13383 First vendor Publication 2019-05-29
Vendor Cve Last vendor Modification 2021-03-16

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
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:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A heap buffer overflow in Fortinet FortiOS 6.0.0 through 6.0.4, 5.6.0 through 5.6.10, 5.4.0 through 5.4.12, 5.2.14 and earlier and FortiProxy 2.0.0, 1.2.8 and earlier in the SSL VPN web portal may cause the SSL VPN web service termination for logged in users due to a failure to properly handle javascript href data when proxying webpages.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-13383

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 7
Os 176

Snort® IPS/IDS

Date Description
2019-10-01 Fortigate SSL VPN javascript parsing heap buffer overflow attempt
RuleID : 51376 - Revision : 1 - Type : SERVER-OTHER
2019-10-01 Fortigate SSL VPN javascript parsing heap buffer overflow attempt
RuleID : 51375 - Revision : 1 - Type : SERVER-OTHER

Sources (Detail)

Source Url
CONFIRM https://fortiguard.com/advisory/FG-IR-18-388
https://fortiguard.com/advisory/FG-IR-20-229

Alert History

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Date Informations
2023-05-11 01:40:06
  • Multiple Updates
2023-03-15 01:38:35
  • Multiple Updates
2022-07-26 01:35:20
  • Multiple Updates
2021-05-05 01:29:13
  • Multiple Updates
2021-05-04 13:09:47
  • Multiple Updates
2021-04-22 02:23:27
  • Multiple Updates
2021-04-20 01:24:48
  • Multiple Updates
2021-03-26 12:24:37
  • Multiple Updates
2020-05-23 02:11:10
  • Multiple Updates
2020-05-23 01:07:15
  • Multiple Updates
2019-08-31 12:07:37
  • Multiple Updates
2019-06-03 17:19:14
  • Multiple Updates
2019-05-30 21:19:25
  • Multiple Updates
2019-05-30 00:19:15
  • First insertion