A out-of-bounds read vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.2, FortiAuthenticator 6.5 all versions may allow a remote unauthenticated attacker to retrieve sensitive information via a specially crafted request.

A improper access control vulnerability in Fortinet FortiAuthenticator 8.0.2, FortiAuthenticator 8.0.0, FortiAuthenticator 6.6.0 through 6.6.8, FortiAuthenticator 6.5.0 through 6.5.6 may allow attacker to execute unauthorized code or commands via crafted requests.

A missing authorization vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow a read-only user to make modification to local users via a file upload to an unprotected endpoint.

An improper access control vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow an authenticated attacker with at least read-only admin permission to obtain the credentials of other administrators' messaging services via crafted requests.

A direct request ('forced browsing') vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow an authenticated attacker with at least sponsor permissions to read and download device logs via accessing specific endpoints

A externally controlled reference to a resource in another sphere vulnerability in Fortinet allows attacker to poison web caches via crafted HTTP requests, where the Host header points to an arbitrary webserver

CVE-2024-6387 A signal handler race condition was found in OpenSSH's server (sshd), where a client does not authenticate within LoginGraceTime seconds (120 by default, 600 in old OpenSSH versions), then sshd's SIGALRM handler is called asynchronously. However, this signal handler calls various functions that are not async-signal-safe, for example, syslog(). This could lead to remote code execution with root privileges.

A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be able to trigger it by failing to authenticate within a set time period.

A URL redirection to untrusted site ('open redirect') in Fortinet FortiAuthenticator version 6.6.0, version 6.5.3 and below, version 6.4.9 and below may allow an attacker to to redirect users to an arbitrary website via a crafted URL.

HTTP CONTINUATION Flood can be used to launch a serious DoS attack that can cause the crash of the target server with just one attacking machine (or even one TCP connection to the target).

It works by:- initiating an HTTP stream against the target- then sending headers and CONTINUATION frames with no ENDHEADERS flag set - that creates a never ending stream that could even cause an instant crash

This works because there's many HTTP/2 implementations do not properly limit or sanitize the amount of CONTINUATION frames sent within a single stream.

CVE-2024-27316 for Apache HTTP Server (httpd):HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.

CVE-2024-24549 for Apache Tomcat:When processing an HTTP/2 request, if the request exceeded any of theconfigured limits for headers, the associated HTTP/2 stream was notreset until after all of the headers had been processed.

CVE-2024-30255 for Envoy proxy (nghttp2):Envoy's HTTP/2 codec allows the peer to send an unlimited number of CONTINUATION frames even after exceeding Envoy's header map limits. This allows an attacker to send a sequence of CONTINUATION frames without the ENDHEADERS bit set causing CPU utilization, consuming approximately 1 core per 300Mbit/s of traffic.

CVE-2023-45288 for Golang:An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request's headers exceed MaxHeaderBytes, no memory is allocated to store the excess headers, but they are still parsed. This permits an attacker to cause an HTTP/2 endpoint to read arbitrary amounts of header data, all associated with a request which is going to be rejected. These headers can include Huffman-encoded data which is significantly more expensive for the receiver to decode than for an attacker to send.

CVE-2024-28182 for nghttp2:nghttp2 library keeps reading the unbounded number of HTTP/2 CONTINUATION frames even after a stream is reset to keep HPACK context in sync. This causes excessive CPU usage to decode HPACK stream.

CVE-2024-27983 for Node.js:An attacker can make the Node.js HTTP/2 server completely unavailable by sending a small amount of HTTP/2 frames packets with a few HTTP/2 frames inside. It is possible to leave some data in nghttp2 memory after reset when headers with HTTP/2 CONTINUATION frame are sent to the server and then a TCP connection is abruptly closed by the client triggering the Http2Session destructor while header frames are still being processed (and stored in memory) causing a race condition.

CVE-2024-3302 for Firefox:There was no limit to the number of HTTP/2 CONTINUATION frames that would be processed. A server could abuse this to create an Out of Memory condition in the browser.

A fundamental design flaw within the RADIUS protocol has been proven to be exploitable, compromising the integrity in the RADIUS Access-Request process. The attack allows a malicious user to modify packets in a way that would be indistinguishable to a RADIUS client or server. To be successful, the attacker must have the ability to inject themselves between the client and server.

An improper neutralization of script-related HTML tags in a web page vulnerability [CWE-80] in FortiAuthenticator versions 6.4.0 through 6.4.4, 6.3.0 through 6.3.3, all versions of 6.2 and 6.1 may allow a remote unauthenticated attacker to trigger a reflected cross site scripting (XSS) attack via the "reset-password" page.

A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiAuthenticator 6.4.x and before allows a remote unauthenticated attacker to partially exhaust CPU and memory via sending numerous HTTP requests to the login form.

A clear text storage of sensitive information (CWE-312) vulnerability in both FortiGate and FortiAuthenticator may allow a local unauthorized party to retrieve the Fortinet private keys used to establish secure communication with both Apple Push Notification and Google Cloud Messaging services, via accessing the files on the filesystem.

The potentially exposed private keys have been revoked, please upgrade to the versions provided in the solutions to support push proxy.

A clear text storage of sensitive information (CWE-312) vulnerability in both FortiGate and FortiAuthenticator may allow a local unauthorized party to retrieve the Fortinet private keys used to establish secure communication with both Apple Push Notification and Google Cloud Messaging services, via accessing the files on the filesystem.

The potentially exposed private keys have been revoked, please upgrade to the versions provided in the solutions to support push proxy.

An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiAuthenticator OWA Agent for Microsoft version 2.2 and 2.1 may allow an unauthenticated attacker to perform an XSS attack via crafted HTTP GET requests.

An improper neutralization of special elements used in an OS command vulnerability in the command line interpreter of FortiAuthenticator before 6.3.1 may allow an authenticated attacker to execute unauthorized commands via specifically crafted arguments to existing commands.

An improper access control vulnerability [CWE-284] in FortiAuthenticator HA service 6.3.2 and below, 6.2.x, 6.1.x, 6.0.x may allow an attacker on the same vlan as the HA management interface to make an unauthenticated direct connection to the FAC's database.

A improper authentication in Fortinet FortiAuthenticator version 6.4.0 allows user to bypass the second factor of authentication via a RADIUS login portal.

A exposure of sensitive information to an unauthorized actor in Fortinet FortiAuthenticator version 6.4.0, version 6.3.2 and below, version 6.2.1 and below, version 6.1.2 and below, version 6.0.7 to 6.0.1 allows attacker to duplicate a target LDAP user 2 factors authentication token via crafted HTTP requests.

An uncontrolled resource consumption (denial of service) vulnerability in FortiSandbox and FortiAuthenticator login modules may allow an unauthenticated attacker to bring the device into an unresponsive state via specifically-crafted long request parameters.

An uncontrolled resource consumption (denial of service) vulnerability in FortiSandbox and FortiAuthenticator login modules may allow an unauthenticated attacker to bring the device into an unresponsive state via specifically-crafted long request parameters.

Usage of hard-coded cryptographic keys to encrypt configuration files and debug logs in FortiAuthenticator versions before 6.3.0 may allow an attacker with access to the files or the CLI configuration to decrypt the sensitive data, via knowledge of the hard-coded key.

An improper neutralization of input during web page generation in FortiAuthenticator WEB UI 6.0.0 may allow an unauthenticated user to perform a cross-site scripting attack (XSS) via a parameter of the logon page.

A cross-site scripting (XSS) vulnerability in Fortinet FortiAuthenticator in versions 4.0.0 to before 5.3.0 "CSRF validation failure" page allows attacker to execute unauthorized script code via inject malicious scripts in HTTP referer header.

Fortinet FortiAuthenticator 3.0.0 has a password of (1) slony for the slony PostgreSQL user and (2) www-data for the www-data PostgreSQL user, which makes it easier for remote attackers to obtain access via unspecified vectors.

Fortinet FortiAuthenticator 3.0.0 logs the PostgreSQL usernames and passwords in cleartext, which allows remote administrators to obtain sensitive information by reading the log at debug/startup/.

Cross-site scripting (XSS) vulnerability in Fortinet FortiAuthenticator 3.0.0 allows remote attackers to inject arbitrary web script or HTML via the operation parameter to cert/scep/.

Fortinet FortiAuthenticator 3.0.0 allows local users to bypass intended restrictions and gain privileges by creating /tmp/privexec/dbgcoreenableshellaccess and executing the "shell" command.