CWE
787 119 79 89 20 94
Advisory Published
CVE Published
Updated

CVE-2023-42789: Out-of-bounds Write in captive portal

First published: Tue Mar 12 2024(Updated: )

A out-of-bounds write in Fortinet FortiOS 7.4.0 through 7.4.1, 7.2.0 through 7.2.5, 7.0.0 through 7.0.12, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15, FortiProxy 7.4.0, 7.2.0 through 7.2.6, 7.0.0 through 7.0.12, 2.0.0 through 2.0.13 allows attacker to execute unauthorized code or commands via specially crafted HTTP requests.

Credit: psirt@fortinet.com

Affected SoftwareAffected VersionHow to fix
Fortinet FortiProxy>=2.0.0<=2.0.13
Fortinet FortiProxy>=7.0.0<=7.0.12
Fortinet FortiProxy>=7.2.0<=7.2.6
Fortinet FortiProxy=7.4.0
Fortinet FortiOS>=6.2.0<=6.2.15
Fortinet FortiOS>=6.4.0<=6.4.14
Fortinet FortiOS>=7.0.0<=7.0.12
Fortinet FortiOS>=7.2.0<=7.2.5
Fortinet FortiOS=7.4.0
Fortinet FortiOS=7.4.1

Remedy

Please upgrade to FortiOS version 7.4.2 or above Please upgrade to FortiOS version 7.2.6 or above Please upgrade to FortiOS version 7.0.13 or above Please upgrade to FortiOS version 6.4.15 or above Please upgrade to FortiOS version 6.2.16 or above Please upgrade to FortiProxy version 7.4.1 or above Please upgrade to FortiProxy version 7.2.7 or above Please upgrade to FortiProxy version 7.0.13 or above Please upgrade to FortiProxy version 2.0.14 or above Fortinet in Q3/23 has remediated this issue in FortiSASE version 23.3.b and hence the customers need not perform any action.

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