Exploited
critical
9.8
CWE
119 89 787 122
Advisory Published
CVE Published
CVE Published
Updated

CVE-2023-27997: Heap buffer overflow in sslvpn pre-authentication

First published: Mon Jun 12 2023(Updated: )

A heap-based buffer overflow vulnerability [CWE-122] in FortiOS and FortiProxy SSL-VPN may allow a remote attacker to execute arbitrary code or commands via specifically crafted requests. ## Workaround: Disable SSL-VPN.

Credit: psirt@fortinet.com psirt@fortinet.com

Affected SoftwareAffected VersionHow to fix
Fortinet FortiProxy>=1.1.0<=1.1.6
Fortinet FortiProxy>=1.2.0<=1.2.13
Fortinet FortiProxy>=2.0.0<=2.0.12
Fortinet FortiProxy>=7.0.0<=7.0.9
Fortinet FortiProxy>=7.2.0<=7.2.3
Fortinet FortiOS>=6.0.0<=6.0.16
Fortinet FortiOS>=6.2.0<=6.2.13
Fortinet FortiOS>=6.4.0<=6.4.12
Fortinet FortiOS>=7.0.0<=7.0.11
Fortinet FortiOS>=7.2.0<=7.2.4
All of
Any of
Fortinet FortiOS>=6.0.12<=6.0.16
Fortinet FortiOS>=6.2.9<=6.2.13
Fortinet FortiOS=6.0.10
Fortinet FortiOS=6.2.4
Fortinet FortiOS=6.2.6
Fortinet FortiOS=6.2.7
Fortinet FortiOS=6.4.2
Fortinet FortiOS=6.4.6
Fortinet FortiOS=6.4.8
Fortinet FortiOS=6.4.10
Fortinet FortiOS=6.4.12
Fortinet FortiOS=7.0.5
Fortinet FortiOS=7.0.10
Any of
Fortinet Fortigate 6000
Fortinet Fortigate 7000
Fortinet FortiOS and FortiProxy SSL-VPN
Fortinet FortiOS-6K7K>=6.2.10<=6.2.13
Fortinet FortiOS-6K7K=6.0.10
Fortinet FortiOS-6K7K=6.0.12
Fortinet FortiOS-6K7K=6.0.13
Fortinet FortiOS-6K7K=6.0.14
Fortinet FortiOS-6K7K=6.0.15
Fortinet FortiOS-6K7K=6.0.16
Fortinet FortiOS-6K7K=6.2.4
Fortinet FortiOS-6K7K=6.2.6
Fortinet FortiOS-6K7K=6.2.7
Fortinet FortiOS-6K7K=6.2.9
Fortinet FortiOS-6K7K=6.4.2
Fortinet FortiOS-6K7K=6.4.6
Fortinet FortiOS-6K7K=6.4.8
Fortinet FortiOS-6K7K=6.4.10
Fortinet FortiOS-6K7K=6.4.12
Fortinet FortiOS-6K7K=7.0.5
Fortinet FortiOS-6K7K=7.0.10

Remedy

Please upgrade to FortiOS-6K7K version 7.0.12 or above Please upgrade to FortiOS-6K7K version 6.4.13 or above Please upgrade to FortiOS-6K7K version 6.2.15 or above Please upgrade to FortiOS-6K7K version 6.0.17 or above Please upgrade to FortiProxy version 7.2.4 or above Please upgrade to FortiProxy version 7.0.10 or above Please upgrade to FortiOS version 7.4.0 or above Please upgrade to FortiOS version 7.2.5 or above Please upgrade to FortiOS version 7.0.12 or above Please upgrade to FortiOS version 6.4.13 or above Please upgrade to FortiOS version 6.2.14 or above Please upgrade to FortiOS version 6.0.17 or above

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