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Vulnerability DatabaseCVE-2019-17656
CVE-2019-17656:
FortiOS vulnerability analysis and mitigation
Overview
A Stack-based Buffer Overflow vulnerability (CVE-2019-17656) was identified in the HTTPD daemon of FortiOS and FortiProxy. The vulnerability affects FortiProxy versions 2.0.1 and below, 1.2.9 and below, 1.1.x, and 1.0.x. This security issue was discovered and reported by Cody Sixteen under responsible disclosure (Fortiguard PSIRT).
Technical details
The vulnerability exists in the HTTPD daemon where an authenticated remote attacker can trigger a stack-based buffer overflow by sending a malformed PUT request to the server. The severity is rated as Medium with a CVSSv3 Score of 5.3 (Fortiguard PSIRT).
Impact
When successfully exploited, this vulnerability can allow an authenticated remote attacker to crash the HTTPD service, potentially leading to a denial of service condition (Fortiguard PSIRT).
Mitigation and workarounds
Fortinet has released patches to address this vulnerability. Users are advised to upgrade to FortiProxy version 1.2.10 or above, or FortiProxy version 2.0.2 or above to mitigate this security issue (Fortiguard PSIRT).
Additional resources
Source: This report was generated using AI
Related FortiOS vulnerabilities:
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