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PSIRT Advisories

The FortiGuard Labs Product Security Incident Response Team (PSIRT) continually test Fortinet hardware and software products, looking for vulnerabilities and weaknesses. Any such findings are fed back to Fortinet's development teams and serious issues are described along with protective solutions in the advisories below.

FortiOS SSL VPN buffer overrun through POST message payload
Failure to properly parse message payloads in the SSL VPN portal of FortiOS may allow a non-authenticated attacker to perform...
May 17, 2019 Risk IR Number: FG-IR-18-387
FortiClient DLL Hijacking Vulnerability
An Unsafe Search Path vulnerability in FortiClient Online Installer may allow an unauthenticated, remote attacker with control...
May 16, 2019 Risk IR Number: FG-IR-19-060
FortiCASB data pattern name XSS vulnerability
Failure to sanitize input in the customized data pattern webpage of FortiCASB  may allow an authenticated attacker to conduct...
May 15, 2019 Risk IR Number: FG-IR-19-001
Multiple VPN applications insecurely store session cookies
The Missing Encryption Of Sensitive Data vulnerability in FortiClient may allow an attacker to access VPN session cookie from...
Apr 23, 2019 Risk IR Number: FG-IR-19-110
FortiManager Unencrypted Password Vulnerability
A cleartext transmission of sensitive information vulnerability in FortiManager may allow an unauthenticated attacker in a man...
Apr 23, 2019 Risk IR Number: FG-IR-18-051
FortiAP Bleeding Bit Vulnerability
Some FortiAP models are vulnerable to the Bleeding Bit Vulnerability (CVE-2018-16986) present in the Texas Instruments WiFi chips.CVE-2018-16986:Texas...
Apr 10, 2019 Risk IR Number: FG-IR-18-356
FortiSwitch multiple XSS vulnerabilities in the jQuery library
FortiSwitch is vulnerable to multiple Cross-site Scripting (XSS) attacks present in the jQuery javascript libraryCVE-2015-9251:jQuery...
Apr 10, 2019 Risk IR Number: FG-IR-18-013
Unprivileged, authenticated user can change the routing settings
An external control of system vulnerability in FortiOS may allow an authenticated, regular user to change the routing settings...
Apr 04, 2019 Risk IR Number: FG-IR-18-230
FortiSandbox reflected XSS in the file scan component
A reflected Cross-Site-Scripting (XSS) vulnerability in Fortinet FortiSandbox may allow an attacker to execute unauthorized code...
Apr 03, 2019 Risk IR Number: FG-IR-18-024
FortiClient Mac is vulnerable to a local denial of service
An improper access control vulnerability in FortiClientMac may allow an attacker to affect the application's performance via modifying...
Apr 02, 2019 Risk IR Number: FG-IR-19-003
FortiSIEM LDAP server password reflected in admin portal
An information exposure vulnerability in the admin portal of FortiSIEM may allow an authenticated admin to retrieve the LDAP server...
Mar 29, 2019 Risk IR Number: FG-IR-18-382
Sweet32 Birthday attack in TLS
The DES and Triple DES ciphers, as used in the TLS, SSH, and IPSec protocols and other protocols and products, have a birthday...
Feb 07, 2019 Risk IR Number: FG-IR-17-173
Format String Vulnerability in SSH username
There is a format string vulnerability in the SSH username handling when connecting to FortiOS 5.6.0, that may lead to memory...
Jan 11, 2019 Risk IR Number: FG-IR-18-018
FortiClient NDIS Miniport Driver Null Pointer Dereference
There is a Null pointer dereference in the NDIS Miniport drivers in FortiClient on Windows, which may be leveraged by an unprivileged...
Jan 11, 2019 Risk IR Number: FG-IR-18-092
FortiClient local privilege escalation exploit chain
A researcher has disclosed several vulnerabilities against FortiClient for Windows, the combination of these vulnerabilities can...
Dec 22, 2018 Risk IR Number: FG-IR-18-108