CVE-2019-17656

Description

A Stack-based Buffer Overflow vulnerability in the HTTPD daemon of FortiOS 6.0.10 and below, 6.2.2 and below and FortiProxy 1.0.x, 1.1.x, 1.2.9 and below, 2.0.0 and below may allow an authenticated remote attacker to crash the service by sending a malformed PUT request to the server. Fortinet is not aware of any successful exploitation of this vulnerability that would lead to code execution.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.33% Top 20%
Vendor Advisory fortiguard.com Vendor Advisory fortiguard.com
Affected: Fortinet Fortinet FortiProxy, FortiOS
Published at:
Updated at:

References

Link Tags
https://fortiguard.com/advisory/FG-IR-19-248 vendor advisory
https://fortiguard.com/advisory/FG-IR-21-007 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-17656?
CVE-2019-17656 has been scored as a medium severity vulnerability.
How to fix CVE-2019-17656?
To fix CVE-2019-17656, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-17656 being actively exploited in the wild?
It is possible that CVE-2019-17656 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-17656?
CVE-2019-17656 affects Fortinet Fortinet FortiProxy, FortiOS.
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