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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.

Unauthenticated SSL VPN users password modification
An Improper Authorization vulnerability in the SSL VPN web portal may allow an unauthenticated attacker to change the password...
Aug 30, 2019 Risk IR Number: FG-IR-18-389
Wind River VxWorks IPnet TCP/IP Stack Vulnerabilities (aka. URGENT/11)
11 zero day vulnerabilities (aka. URGENT/11) were disclosed in VxWorks® TCP/IP stack (IPnet):CVE-2019-12255 - TCP Urgent Pointer...
Aug 26, 2019 Risk IR Number: FG-IR-19-222
Meltdown and Spectre class vulnerabilities
New types of side channel attacks impact most processors including Intel, AMD, ARM, etc. These attacks allow malicious userspace...
Aug 26, 2019 Risk IR Number: FG-IR-18-002
FortiOS reflected XSS in the SSL VPN web portal error page parameters
Failure to sanitize input in the SSL VPN web portal may allow an attacker to perform a reflected Cross-site Scripting (XSS) attack...
Aug 21, 2019 Risk IR Number: FG-IR-19-034
FortiRecorder sets credentials of FortiCameras to static values
An Use of Hard-coded Credentials vulnerability in FortiRecorder may allow an unauthenticated attacker with knowledge of the aforementioned...
Aug 12, 2019 Risk IR Number: FG-IR-19-185
FortiGate default configuration does not verify the LDAP server identity.
A Default Configuration vulnerability in FortiOS may allow an unauthenticated attacker on the same subnet to intercept sensitive...
Jul 26, 2019 Risk IR Number: FG-IR-19-037
FortiOS malformed HTTP or SSL/TLS traffic control
FortiOS Explicit Web Proxy by default allows non-standard HTTP traffic. FortiOS SSL/SSH Inspection Profile by default allows non-standard...
Jul 24, 2019 Risk IR Number: FG-IR-19-111
CVE-2016-10229 Linux Kernel ipv4/udp.c Remote Code Execution Vulnerability
Multiple Fortinet products may be affected by the following Linux Kernel vulnerability:CVE-2016-10229 Linux Kernel ipv4/udp.c...
Jul 24, 2019 Risk IR Number: FG-IR-17-118
FortiOS TCP timestamp response
FortiOS by default enables TCP timestamp response, which may lead to information disclosure.The TCP timestamp response can be...
Jul 24, 2019 Risk IR Number: FG-IR-16-090
Improper check for certificate revocation vulnerability
Certificates taken out of service could potentially be improperly re-used. Impact detailFortinet has already taken steps to mitigate...
Jul 19, 2019 Risk IR Number: FG-IR-19-144
XSS vulnerability in FortiNAC admin webUI search field
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") in FortiNAC admin webUI may allow an unauthenticated...
Jul 16, 2019 Risk IR Number: FG-IR-19-140
Cross-Site-Scripting (XSS) vulnerabilty in Fortiweb reports
The URL part of the report message is not encoded in Fortinet FortiWeb which may allow an attacker to execute unauthorized code...
Jun 12, 2019 Risk IR Number: FG-IR-19-070
FortiOS by default disables SMBv1 support
Server Message Block (SMB) 1.0 - a legacy file and print sharing protocol - has been deprecated by Microsoft due to multiple weaknesses...
Jun 04, 2019 Risk IR Number: FG-IR-17-103
FortiGate SSL VPN web portal login redir XSS vulnerability
Failure to sanitize the login redir parameter in the SSL-VPN web portal may allow an attacker to perform a Cross-site Scripting...
May 24, 2019 Risk IR Number: FG-IR-17-242
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