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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.

FortiManager TLS certificate validation failure
FortiManager does not properly validate TLS certificates when probing for devices to administer. This leads to potential pre-shared...
Feb 08, 2017 Risk IR Number: FG-IR-16-055
FortiOS Local Admin Password Hash Leak Vulnerability
A read-only administrator may have access to read-write administrators password hashes (not including super-admins) stored on...
Dec 02, 2016 Risk IR Number: FG-IR-16-050
FortiOS flow-mode detection bypass under certain conditions
A FortiGate configured to use flow-based protection will stop monitoring network sessions that are active when a scanning engine...
Nov 22, 2016 Risk IR Number: FG-IR-16-088
DUHK Attack against Fortinet Products
When devices use ANSI X9.31 RNG (which was removed from the list of FIPS-approved random number generation algorithms in January...
Nov 22, 2016 Risk IR Number: FG-IR-16-067
Blacknurse ICMP DoS attack
BlackNurse is a Denial of Service attack consisting in flooding the target with ICMP Type 3 Code 3 packets. The latter type of...
Nov 15, 2016 Risk IR Number: FG-IR-16-091
Linux Kernel Dirty Cow Vulnerability
The following products are confirmed to be not affected:FortiGate FortiAnalyzerFortiSwitchFortiAP For questions about other Fortinet...
Nov 09, 2016 Risk IR Number: FG-IR-16-063
FortiWLC Undocumented Hardcoded core Account
FortiWLC comes with a hardcoded account named 'core' which is used by Meru Access Points to send core dumps to the FortiWLC and...
Nov 09, 2016 Risk IR Number: FG-IR-16-065
FortiAnalyzer and FortiManager stored XSS vulnerability in report filters
A cross-site-scripting vulnerablity in FortiAnalyzer/FortiManager in advanced settings page could allow an administrator to inject...
Oct 05, 2016 Risk IR Number: FG-IR-16-051
FortiWLC PAM.log authenticated user information exposure
The pam.log file generated by FortiWLC contains authenticated users credentials (local admin and users authenticated against external...
Sep 30, 2016 Risk IR Number: FG-IR-16-030
FortiWLC Undocumented Hardcoded Rsync Account
FortiWLC runs a rsyncd server, historically used for High-Availability purpose. This server comes with a hardcoded account, which...
Sep 30, 2016 Risk IR Number: FG-IR-16-029
FortiDDoS Command Injection Vulnerability Announcement
A vulnerability in FortiDDoS allows escalation of privilege via remote OS injection through crafted URLs sent to the GUI. The...
Sep 28, 2016 Risk IR Number: FG-IR-16-037
OpenSSL Advisory - May 2016
OpenSSL released an update in May 2016 to address two high and four low severity vulnerabilities.CVE-2016-2108; CVE-2016-2107;...
Sep 22, 2016 Risk IR Number: FG-IR-16-026
FortiClient Unencrypted Password Vulnerability
One of the processes in FortiClient stores VPN credentials unencrypted in memory. A malicious attacker who compromised the workstation...
Sep 12, 2016 Risk IR Number: FG-IR-16-021
FortiWAN Multiple Vulnerabilities
FortWan 4.2.4 and below is exposed to cross site scripting, information leak and escalation of privilege vulnerabilities.CVE-2016-4965:...
Sep 07, 2016 Risk IR Number: FG-IR-16-045
Cookie Parser Buffer Overflow Vulnerability
FortiGate firmware (FortiOS) released before Aug 2012 has a cookie parser buffer overflow vulnerability. This vulnerability, when...
Aug 17, 2016 Risk IR Number: FG-IR-16-023