K12002065: BIG-IP ASM XSS vulnerability CVE-2020-5932

Security Advisory Description A cross-site scripting XSS vulnerability exists in the BIG-IP ASM Configuration utility response and blocking pages. An authenticated user with administrative privileges can specify a response page with any content, including JavaScript code that will be executed whe...

K22493037: The BIG-IP ASM system sends a received XML request with sensitive payload to the ICAP server

Security Advisory Description The BIG-IP ASM system sends a received XML request with sensitive payload to the Internet Content Adaptation Protocol ICAP server for inspection, regardless of any other settings. This issue occurs when all of the following conditions are met: The affected security...

K02705117: The BIG-IP ASM system may fail to properly mask the value of a configured sensitive parameter in the request event log

Security Advisory Description When you configure a sensitive parameter for a security policy, the BIG-IP ASM system may fail to properly mask the value in the request log. This issue occurs when all of the following conditions are met: You enabled the Cross-Site Request Forgery CSRF Protection...

K83093212: The BIG-IP ASM system may stop enforcing attack signatures after applying a security policy that includes a new signature

Security Advisory Description This issue occurs when all of the following conditions are met: Your BIG-IP ASM system is running versions 12.1.2 through 12.1.3.6. You configure multiple security policies on the BIG-IP ASM system. One of the security policies includes a new attack signature not...

K50974556: Overview of F5 vulnerabilities (August 2021)

Security Advisory Description On August 24, 2021, F5 announced the following security issues. This document is intended to serve as an overview of these vulnerabilities and security exposures to help determine the impact to your F5 devices. You can find the details of each issue in the associated...

K05314769: BIG-IP Advanced WAF and ASM WebSocket vulnerability CVE-2021-23033

Security Advisory Description When a WebSocket profile is configured on a virtual server, undisclosed requests can cause bd to terminate. CVE-2021-23033 Impact Traffic is disrupted while the bd process restarts. This vulnerability allows a remote attacker to cause a denial-of-service DoS on the...

K61112120: BIG-IP ASM and Advanced WAF TMUI vulnerability CVE-2022-23031

Security Advisory Description An XML External Entity XXE vulnerability exists in an undisclosed page of the F5 Advanced Web Application Firewall Advanced WAF and BIG-IP ASM Traffic Management User Interface TMUI, also referred to as the Configuration utility, that allows an authenticated...

K70312000: BIG-IP ASM JSON websocket security exposure

Security Advisory Description The BIG-IP ASM system may fail to block bad JSON websocket requests. This issue occurs when all of the following conditions are met: In the JSON profile of the affected security policy, the Parse Parameters setting is enabled. Note: This setting is enabled by default...

K33440533: BIG-IP ASM Bot Defense open redirection vulnerability CVE-2021-22984

Security Advisory Description When receiving a unauthenticated client request with a maliciously crafted URI, a BIG-IP Advanced WAF or ASM virtual server configured with a DoS profile with Proactive Bot Defense versions prior to 14.1.0, or a Bot Defense profile versions 14.1.0 and later, may...

K55873574: BIG-IP ASM Configuration utility vulnerability CVE-2020-5927

Security Advisory Description BIG-IP ASM Configuration utility stored cross-site scripting. CVE-2020-5927 Impact An attacker may exploit this vulnerability by redirecting users to a malicious page. Security Advisory Status F5 Product Development has assigned ID 888489 BIG-IP to this vulnerability...

K40843345: BIG-IP ASM Configuration utility vulnerability CVE-2020-5928

Security Advisory Description An attacker may use the BIG-IP ASM Configuration utility cross-site request forgery CSRF protection token multiple times. CVE-2020-5928 Impact When the token is stolen, an attacker may be able to send POST requests to the affected BIG-IP ASM system to modify the...

K58102101: BIG-IP ASM vulnerability CVE-2020-27718

Security Advisory Description When the BIG-IP ASM system processes requests with JSON payload, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process. CVE-2020-27718 Impact When this vulnerability is exploited, the BIG-IP ASM system may take longer than...

K88230177: BIG-IP ASM WebSocket vulnerability CVE-2021-22976

Security Advisory Description When the BIG-IP ASM system processes WebSocket requests with JSON payloads, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process. CVE-2021-22976 Impact When this vulnerability is exploited, the BIG-IP ASM system may take...

K37466356: BIG-IP ASM vulnerability CVE-2020-5914

Security Advisory Description Undisclosed server cookie scenario may cause BD to restart under some circumstances. CVE-2020-5914 Impact The vulnerability allows remote attackers who have control over the backend webserver to cause a denial-of-service DoS attack on the BIG-IP ASM system. Security...

K52510511: Advanced WAF/ASM buffer-overflow vulnerability CVE-2021-22992

Security Advisory Description A malicious HTTP response to an Advanced WAF/ASM virtual server with Login Page configured in its policy may trigger a buffer overflow, resulting in a DoS attack. In certain situations, it may allow remote code execution RCE, leading to complete system compromise...

K52420610: Advanced WAF and BIG-IP ASM TMUI vulnerability CVE-2021-23029

Security Advisory Description Insufficient permission checks may allow authenticated users with guest privileges to perform Server-Side Request Forgery SSRF attacks through F5 Advanced Web Application Firewall WAF and the BIG-IP ASM Configuration utility. CVE-2021-23029 Impact An attacker with...

K56715231: TMM buffer-overflow vulnerability CVE-2021-22991

Security Advisory Description Undisclosed requests to a virtual server may be incorrectly handled by Traffic Management Microkernel TMM URI normalization, which may trigger a buffer overflow, resulting in a DoS attack. In certain situations, it theoretically may allow bypass of URL based access...

K53593534: BIG-IP ASM and F5 Advanced WAF attack signature check failure on certain HTTP requests

Security Advisory Description The BIG-IP ASM and F5 Advanced Web Application Firewall Advanced WAF attack signature check may fail to detect and block certain HTTP requests. Impact The attack signature check fails to detect and block such requests, as expected of a security policy. Symptoms As a...

K75432956: BIG-IP ASM vulnerability CVE-2018-5539

Security Advisory Description Under certain conditions, on F5 BIG-IP ASM 13.0.0-13.1.0.7, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1, 11.5.1-11.5.6, or 11.2.1, when processing CSRF protections, the BIG-IP ASM bd process may restart and produce a core file. CVE-2018-5539 Impact BIG-IP The affected BIG-IP AS...

K30911244: Advanced WAF, BIG-IP ASM, and NGINX App Protect attack signature check failure

Security Advisory Description The F5 Advanced Web Application Firewall Advanced WAF, BIG-IP ASM, and NGINX App Protect attack signature check may fail to detect and block certain HTTP requests when some signatures are disabled on the security policy and wildcard header. Impact The attack signatur...