What is CVE-2018-13381?

CVE-2018-13381 is a buffer overflow vulnerability in Fortinet FortiOS and FortiProxy that allows a non-authenticated attacker to perform a Denial-of-Service attack.

Which versions of Fortinet FortiOS are affected by CVE-2018-13381?

Fortinet FortiOS versions 6.0.0 through 6.0.4, 5.6.0 through 5.6.7, and 5.4 and earlier versions are affected by CVE-2018-13381.

Which version of Fortinet FortiProxy is affected by CVE-2018-13381?

Fortinet FortiProxy version 2.0.0 and 1.2.8 are affected by CVE-2018-13381.

What is the severity of CVE-2018-13381?

CVE-2018-13381 has a severity rating of 7.5 (high).

How can I mitigate the vulnerability CVE-2018-13381?

To mitigate the vulnerability CVE-2018-13381, it is recommended to update to the latest patched version of Fortinet FortiOS and FortiProxy.

Vulnerability/
CVE-2018-13381

high

7.5

CWE

119

4/6/2019

25/10/2024

CVE-2018-13381: Buffer Overflow

First published: Tue Jun 04 2019(Updated: )

A buffer overflow vulnerability in Fortinet FortiOS 6.0.0 through 6.0.4, 5.6.0 through 5.6.7, 5.4 and earlier versions and FortiProxy 2.0.0, 1.2.8 and earlier versions under SSL VPN web portal allows a non-authenticated attacker to perform a Denial-of-service attack via special craft message payloads.

Credit: psirt@fortinet.com

Affected Software	Affected Version	How to fix
Fortinet FortiProxy	<=1.2.8
Fortinet FortiProxy	=2.0.0
Fortinet FortiOS	<=5.2.14
Fortinet FortiOS	>=5.4.0<=5.4.12
Fortinet FortiOS	>=5.6.0<=5.6.10
Fortinet FortiOS	>=6.0.0<=6.0.4

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Frequently Asked Questions

What is CVE-2018-13381?
CVE-2018-13381 is a buffer overflow vulnerability in Fortinet FortiOS and FortiProxy that allows a non-authenticated attacker to perform a Denial-of-Service attack.
Which versions of Fortinet FortiOS are affected by CVE-2018-13381?
Fortinet FortiOS versions 6.0.0 through 6.0.4, 5.6.0 through 5.6.7, and 5.4 and earlier versions are affected by CVE-2018-13381.
Which version of Fortinet FortiProxy is affected by CVE-2018-13381?
Fortinet FortiProxy version 2.0.0 and 1.2.8 are affected by CVE-2018-13381.
What is the severity of CVE-2018-13381?
CVE-2018-13381 has a severity rating of 7.5 (high).
How can I mitigate the vulnerability CVE-2018-13381?
To mitigate the vulnerability CVE-2018-13381, it is recommended to update to the latest patched version of Fortinet FortiOS and FortiProxy.

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version/fortinet fortios/6.0.0
version/fortinet fortios/6.0.4

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