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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.

AMD processors affected by vulnerabilities: Ryzenfall, Fallout, Chimera and Masterkey
A collection of AMD vulnerabilities known as "Ryzenfall, Fallout, Chimera, Masterkey" has been released. Attackers in possession...
Apr 13, 2018 Risk IR Number: FG-IR-18-046
BranchScope: New CPU Side-Channel Attack
A new side-channel attack that takes advantage of the speculative execution feature of modern processors to recover data from...
Apr 03, 2018 Risk IR Number: FG-IR-18-067
FortiWeb's cookie tampering protection can be bypassed by erasing the FortiWeb session cookie
FortiWeb 5.6.0 introduced a feature called "Signed Security Mode", which, when enabled, would prevent an attacker from tampering...
Mar 06, 2018 Risk IR Number: FG-IR-17-279
HTTP Host header attacks against web proxy disclaimer response webpage
The FortiOS web proxy disclaimer page is potentially vulnerable to an XSS attack, via maliciously crafted "Host" headers in user...
Jan 22, 2018 Risk IR Number: FG-IR-17-262
Intel-SA-00086 Security Review Cumulative Update
Intel recently released a security update (Intel-SA-00086), regarding Intel ME 11.x, SPS 4.0, and TXE 3.0 intel products.The following...
Jan 04, 2018 Risk IR Number: FG-IR-17-271
The ROBOT Attack - Return of Bleichenbacher's Oracle Threat
A plaintext recovery of encrypted messages or a Man-in-the-middle (MiTM) attack on RSA PKCS #1 v1.5 encryption is possible without...
Dec 22, 2017 Risk IR Number: FG-IR-17-302
Gain Windows privileges with FortiClient vpn before logon and untrusted certificate
When the "VPN before logon" feature of FortiClient Windows is enabled (disabled by default), and when the server certificate is...
Dec 13, 2017 Risk IR Number: FG-IR-17-070
SSL VPN Web Portal user credentials may be leaked to super_admins
An admin user with super_admin privileges (i.e. with a super_admin profile) may view the current sslvpn web portal session info,...
Dec 08, 2017 Risk IR Number: FG-IR-17-172
FortiCloud XSS vulnerability in on-demand sandbox GUI
Before Dec 5th, 2017, a Cross-Site-Scripting (XSS) vulnerability in forticloud.com on-demand sandbox GUI may have allowed an authenticated...
Dec 08, 2017 Risk IR Number: FG-IR-17-259
IPMI network LAN interface failover operational risk
Some models of FortiAnalyzer and FortiManager have a default setting of "Failover", for remote IPMI access; this means that if...
Nov 29, 2017 Risk IR Number: FG-IR-17-195
FortiGate SSL VPN web portal login redir XSS vulnerability
A Cross-site Scripting (XSS) vulnerability in FortiOS SSL-VPN web portal may allow an authenticated user to inject arbitrary web ...
Nov 23, 2017 Risk IR Number: FG-IR-17-242
FortiWebManager 5.8.0 improperly handles admin login access
FortiWebManager 5.8.0 fails to check the admin password, granting access regardless the provided string.
Nov 22, 2017 Risk IR Number: FG-IR-17-248
FortiWeb Stored XSS vulnerability on webUI certificate view page
There exists a persistent Cross-site Scripting (XSS) vulnerability on FortiWeb's webUI Certificate View page, which can be triggered...
Nov 17, 2017 Risk IR Number: FG-IR-17-131
ROCA: Vulnerable RSA key pairs generation (CVE-2017-15361)
An old Infineon RSA library does not properly generate RSA key pairs, therefore enabling an attacker to potentially infer a private...
Nov 03, 2017 Risk IR Number: FG-IR-17-249
BlueBorne vulnerabilities and security flaws in Bluetooth stacks
A collection of Bluetooth implementation vulnerabilities known as "BlueBorne" has been released. These vulnerabilities collectively...
Nov 03, 2017 Risk IR Number: FG-IR-17-212