CVE-2018-13383

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

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.

References

https://fortiguard.com/advisory/FG-IR-18-388

https://fortiguard.com/advisory/FG-IR-20-229

Details

Source: MITRE

Published: 2019-05-29

Updated: 2021-03-16

Type: CWE-787

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* versions up to 1.2.8 (inclusive)

cpe:2.3:a:fortinet:fortiproxy:2.0.0:*:*:*:*:*:*:*

cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* versions up to 5.2.14 (inclusive)

cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* versions from 5.4.0 to 5.4.12 (inclusive)

cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* versions from 5.6.0 to 5.6.10 (inclusive)

cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* versions from 6.0.0 to 6.0.4 (inclusive)

Tenable Plugins

View all (2 total)

IDNameProductFamilySeverity
125893Fortinet FortiOS (Mac OS X) < 5.6.11, 6.0.x < 6.0.5 SSL VPN Heap Buffer Overflow (FG-IR-18-388) (deprecated)NessusMacOS X Local Security Checks
medium
125887Fortinet FortiOS < 5.6.11, 6.0.x < 6.0.5 SSL VPN Heap Buffer Overflow (FG-IR-18-388)NessusFirewalls
medium