CVE-2023-36641 : A numeric truncation error in Fortinet FortiProxy version 7.2.0 through 7.2.4, F

A numeric truncation error in Fortinet FortiProxy version 7.2.0 through 7.2.4, FortiProxy version 7.0.0 through 7.0.10, FortiProxy 2.0 all versions, FortiProxy 1.2 all versions, FortiProxy 1.1, all versions, FortiProxy 1.0 all versions, FortiOS version 7.4.0, FortiOS version 7.2.0 through 7.2.5, FortiOS version 7.0.0 through 7.0.12, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0 all versions allows attacker to denial of service via specifically crafted HTTP requests.

Published 2023-11-14 18:15:50

Updated 2023-11-20 20:00:00

Source Fortinet, Inc.

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2023-36641

Fortinet » Fortios
Versions from including (>=) 6.0.0 and up to, including, (<=) 6.0.17
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortios
Versions from including (>=) 6.2.0 and up to, including, (<=) 6.2.15
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortios
Versions from including (>=) 6.4.0 and up to, including, (<=) 6.4.14
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortios
Versions from including (>=) 7.2.0 and up to, including, (<=) 7.2.5
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortios
Versions from including (>=) 7.0.0 and up to, including, (<=) 7.0.12
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiproxy
Versions from including (>=) 2.0.0 and up to, including, (<=) 2.0.13
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiproxy
Versions from including (>=) 1.0.0 and up to, including, (<=) 1.0.7
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiproxy
Versions from including (>=) 1.2.0 and up to, including, (<=) 1.2.13
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiproxy
Versions from including (>=) 7.2.0 and up to, including, (<=) 7.2.4
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiproxy
Versions from including (>=) 7.0.0 and up to, including, (<=) 7.0.10
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiproxy
Versions from including (>=) 1.1.0 and up to, including, (<=) 1.1.6
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2023-36641

EPSS FAQ

0.07%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 33 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-36641

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	Fortinet, Inc.
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2023-36641

CWE-197 Numeric Truncation Error

Truncation errors occur when a primitive is cast to a primitive of a smaller size and data is lost in the conversion.

Assigned by: psirt@fortinet.com (Secondary)

References for CVE-2023-36641

https://fortiguard.com/psirt/FG-IR-23-151

PSIRT Advisories | FortiGuard
Vendor Advisory

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Vulnerability Details : CVE-2023-36641

Products affected by CVE-2023-36641

Exploit prediction scoring system (EPSS) score for CVE-2023-36641

CVSS scores for CVE-2023-36641

CWE ids for CVE-2023-36641

References for CVE-2023-36641