Buffer Overflow Vulnerability in FortiOS Could Allow Execution of Unauthorized Code
CVE-2023-42790

7.7HIGH

Key Information:

Vendor

Fortinet
Status
FortiOS
Fortiproxy
Vendor
CVE Published:
12 March 2024

What is CVE-2023-42790?

A stack-based buffer overflow vulnerability exists in Fortinet's FortiOS and FortiProxy products, spanning multiple versions. This weakness allows attackers to execute unauthorized commands or code by sending specially crafted HTTP requests to the affected systems. The vulnerability affects various FortiOS versions from 6.2.0 up to 7.4.1 and FortiProxy versions up to 7.4.0. Network security implementations utilizing these products may be at risk, necessitating immediate attention to apply the necessary patches or mitigation strategies.

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Affected Version(s)

FortiOS 7.4.0 <= 7.4.1

FortiOS 7.2.0 <= 7.2.5

FortiOS 7.0.0 <= 7.0.12

References

https://fortiguard.com/psirt/FG-IR-23-328

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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