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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.

ZebOS routing remote shell service enabled
A remote attacker may access the internal ZebOS shell of FortiOS 5.2.3 without authentication on the HA ("High Availability")...
Jul 24, 2015 Risk IR Number: FG-IR-15-020
FortiOS supports weak ciphers suites when connecting to Fortiguard servers
When connecting to a FortiGuard server via TLS, FortiOS 5.2.3/5.0.11 and below is supporting multiple weak ciphers including anonymous,...
Jul 24, 2015 Risk IR Number: FG-IR-15-021
"POODLE has friends" vulnerability
The SSL-VPN feature of FortiOS 4.3.12 and lower only checks the first byte of the TLS MAC in the finished message. An attacker...
Jul 15, 2015 Risk IR Number: FG-IR-15-016
CVE-2015-1793 OpenSSL "Alternative Chains Certificate Forgery"
OpenSSL released a security advisory in July 2015 to announce a high severity vulnerability affecting any application that verifies...
Jul 09, 2015 Risk IR Number: FG-IR-15-015
OpenSSL vulnerabilities - June 2015
OpenSSL released a security advisory in June 2015 to announce multiple security vulnerabilities.
Jun 11, 2015 Risk IR Number: FG-IR-15-014
CVE-2015-4000 "Logjam" attack
Researchers (from the same group of people who discovered the FREAK Vulnerability in SSL/TLS) have published a paper demonstrating...
May 20, 2015 Risk IR Number: FG-IR-15-013
CVE-2015-3456 "VENOM" vulnerability
The VENOM (Virtualized Environment Neglected Operations Manipulation) vulnerability impacts popular virtualization platforms,...
May 19, 2015 Risk IR Number: FG-IR-15-012
FortiWeb multiple vulnerabilities
Older versions of FortiWeb are subject to three vulnerabilities: 1. OS command injection: A WebUI administrator user may run...
Apr 16, 2015 Risk IR Number: FG-IR-15-010
Multiple Vulnerabilities in FortiManager
Certain versions of FortiManager are subject to the following vulnerabilities: 1. Escalation of Privileges: under certain circumstances,...
Apr 16, 2015 Risk IR Number: FG-IR-15-011
Http debug commands in FortiMail exposes users credentials to admins
FortiMail's "diag debug application httpd" set of commands can be used to capture the credentials entered in the admin WebGui...
Apr 10, 2015 Risk IR Number: FG-IR-15-009
OpenSSL vulnerabilities - March 2015
OpenSSL released a security advisory in March 2015 to announce multiple security vulnerabilities.
Mar 24, 2015 Risk IR Number: FG-IR-15-008
TLS FREAK Attack
FREAK is an attack on SSL/TLS, which allows "Man in the Middle" attackers to decipher and alter HTTPS connections between a server...
Mar 04, 2015 Risk IR Number: FG-IR-15-007
FSSO stack-based buffer overflow
Prior to build 237, the Windows version of FSSO can be remotely exploited to run arbitrary code over the TCP/8000 port without...
Feb 27, 2015 Risk IR Number: FG-IR-15-006
FortiClient Android and iOS multiple vulnerabilities
FortiClient Android and iOS are affected by two vulnerabilities: Android and iOS FortiClient do not check the validity of server...
Feb 25, 2015 Risk IR Number: FG-IR-15-004
Multiple products cross-site scripting vulnerabilities
The Web User Interface of FortiGate, FortiManager, FortiAnalyzer, FortiMail and FortiADC D models are vulnerable to reflected...
Feb 25, 2015 Risk IR Number: FG-IR-15-005