Buffer overflow

A buffer underwrite vulnerability in the firmware verification routine of FortiOS before 7.0.1 may allow an attacker located in the adjacent network to potentially execute arbitrary code via a specifically crafted firmware image...

CVE-2021-24018

CVE-2021-24018 concerns a buffer underwrite in the firmware verification routine of FortiOS/FortiWeb (pre-7.0.1). The vulnerability could allow an attacker located in the adjacent network to execute arbitrary code by sending a specially crafted firmware image. Affected products and exact versions...

CVE-2021-24018

A buffer underwrite vulnerability in the firmware verification routine of FortiOS before 7.0.1 may allow an attacker located in the adjacent network to potentially execute arbitrary code via a specifically crafted firmware image...

CVE-2021-24018

A buffer underwrite vulnerability in the firmware verification routine of FortiOS before 7.0.1 may allow an attacker located in the adjacent network to potentially execute arbitrary code via a specifically crafted firmware image...

Vulnerabilities fixed in ForsiOS

FortiGuard Labs has fixed several vulnerabilities in FortiOS. The vulnerabilities allow a malicious party to execute attacks that potentially lead to the execution of arbitrary code under the user's privileges. FortiGuard Labs has released updates to fix the vulnerabilities fixes in FortiOS SSL...

Fortinet FortiOS Buffer Overflow Vulnerability (CNVD-2021-60533)

Fortinet FortiOS is a set of U.S. Fita Fortinet dedicated to FortiGate network security platform on the security operating system. Fortinet FortiOS suffers from a buffer overflow vulnerability that originates from a boundary error in the firmware validation process of FortiOS. An attacker could...

Fortinet FortiOS 缓冲区错误漏洞

Fortinet FortiOS is a set of U.S. Fita Fortinet dedicated to FortiGate network security platform on the security operating system. Fortinet FortiOS suffers from a buffer overflow vulnerability that originates from a boundary error in the firmware validation process of FortiOS. An attacker could...

Fortinet FortiOS 跨站脚本漏洞

Fortinet FortiOS is a set of security operating system dedicated to FortiGate network security platform from American Fita Fortinet. The system provides users with a variety of security features such as firewall, antivirus, IPSec/SSLVPN, Web content filtering and anti-spam. A cross-site scripting...

The vulnerability of the SSL-VPN portal for FortiOS operating systems allows a hacker to redirect users to a malicious website.

The vulnerability of the SSL-VPN portal for FortiOS operating systems is related to the use of open redirection. Exploiting this vulnerability could allow a malicious actor to redirect a user to a malicious website remotely...

The vulnerability of the SSL-VPN portal for FortiOS operating systems allows a hacker to induce a service failure.

The vulnerability of the SSL-VPN portal for FortiOS operating systems is related to the execution of operations outside the buffer. Exploiting this vulnerability could allow a malicious actor to cause service interruptions by sending a specially crafted POST request...

The vulnerability of the SSL-VPN portal for FortiOS operating systems allows attackers to perform cross-site scripting attacks.

The vulnerability of the SSL-VPN portal for FortiOS operating systems exists due to the lack of measures taken to protect the website structure. Exploiting this vulnerability allows a malicious actor to perform cross-site scripting attacks remotely...

Fortinet Fortigate xss (FG-IR-20-199)

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-20-199 advisory. - Failure to sanitize input in the SSL VPN web portal of FortiOS 5.2.10 through 5.2.15, 5.4.0 through 5.4.13, 5.6.0 through...

FBI Update on Exploitation of Fortinet FortiOS Vulnerabilities

The Federal Bureau of Investigation FBI has released an FBI FLASH, APT Actors Exploiting Fortinet Vulnerabilities to Gain Access for Malicious Activity, which describes advanced persistent threat APT actors exploiting known Fortinet FortiOS vulnerabilities. APT actors may exploit these...

PT-2021-6857 · Fortinet · Fortiswitch +7

Name of the Vulnerable Software and Affected Versions: FortiOS versions prior to 7.0.1 FortiWeb versions affected versions not specified FortiSwitch versions affected versions not specified FortiProxy versions affected versions not specified FortiADC versions affected versions not specified Forti...

CVE-2019-17656

A Stack-based Buffer Overflow vulnerability in the HTTPD daemon of FortiOS 6.0.10 and below, 6.2.2 and below and FortiProxy 1.0.x, 1.1.x, 1.2.9 and below, 2.0.0 and below may allow an authenticated remote attacker to crash the service by sending a malformed PUT request to the server. Fortinet is...

CVE-2019-17656

A Stack-based Buffer Overflow vulnerability in the HTTPD daemon of FortiOS 6.0.10 and below, 6.2.2 and below and FortiProxy 1.0.x, 1.1.x, 1.2.9 and below, 2.0.0 and below may allow an authenticated remote attacker to crash the service by sending a malformed PUT request to the server. Fortinet is...

Stack overflow

A Stack-based Buffer Overflow vulnerability in the HTTPD daemon of FortiOS 6.0.10 and below, 6.2.2 and below and FortiProxy 1.0.x, 1.1.x, 1.2.9 and below, 2.0.0 and below may allow an authenticated remote attacker to crash the service by sending a malformed PUT request to the server. Fortinet is...

CVE-2019-17656

A Stack-based Buffer Overflow vulnerability in the HTTPD daemon of FortiOS 6.0.10 and below, 6.2.2 and below and FortiProxy 1.0.x, 1.1.x, 1.2.9 and below, 2.0.0 and below may allow an authenticated remote attacker to crash the service by sending a malformed PUT request to the server. Fortinet is...

CVE-2019-17656

The CVE-2019-17656 entry describes a stack-based buffer overflow in Fortinet’s FortiOS HTTPD and FortiProxy, affecting FortiOS 6.0.10 and earlier, 6.2.2 and earlier, plus FortiProxy 1.0.x/1.1.x/1.2.9 and 2.0.0 and earlier. The vulnerability allows an authenticated remote attacker to crash the ser...

Attackers Targeting Fortinet Devices and SAP Applications

The following blog was co-authored by Caitlin Condon and Bob Rudis, also known in his own words as “some caveman from Maine.” Last week, the U.S. Cybersecurity and Infrastructure Security Agency CISA and the FBI published a joint alert to warn users that APT threat actors were likely exploiting...