K06440657: BIG-IP Advanced WAF and ASM iControl REST vulnerability CVE-2021-23001

Security Advisory Description The upload functionality in BIG-IP Advanced WAF and ASM allows an authenticated user to upload files to the BIG-IP system using a call to an undisclosed iControl REST endpoint. CVE-2021-23001 Impact An authenticated malicious user can upload malicious files to use in...

K80945213: BIG-IP ASM and F5 Advanced WAF attack signature check failure security exposure

Security Advisory Description A BIG-IP ASM and F5 Advanced Web Application Firewall Advanced WAF attack signature check may fail to detect and block certain GET requests when cross-site request forgery CSRF protection is enabled. Impact Attackers may be able to bypass BIG-IP ASM and Advanced WAF...

K18570111: BIG-IP ASM and Advanced WAF WebSocket vulnerability CVE-2021-23010

Security Advisory Description When the BIG-IP ASM/Advanced WAF system processes WebSocket requests with JSON payloads using the default JSON content profile in the ASM security policy, the BIG-IP ASM bd process may produce a core file. CVE-2021-23010 Impact When this vulnerability is exploited, t...

K55237223: BIG-IP Advanced WAF and ASM XSS vulnerability CVE-2021-22993

Security Advisory Description DOM-based XSS on DoS Profile properties page. CVE-2021-22993 Impact An attacker can inject a malicious script into the BIG-IP Advanced WAF and ASM Configuration utility and trick users into executing malicious code. Security Advisory Status F5 Product Development has...

K03442392: BIG-IP ASM and Advanced WAF vulnerability CVE-2022-26890

Security Advisory Description When ASM or Advanced WAF, as well as APM, are configured on a virtual server, the ASM policy is configured with Session Awareness, and the "Use APM Username and Session ID" option is enabled, undisclosed requests can cause the bd process to terminate. CVE-2022-26890...

K22251611: Attack signature check security exposure

Security Advisory Description BIG-IP Advanced WAF and BIG-IP ASM systems incorrectly handle certain requests. This issue occurs when the following condition is met: BIG-IP Advanced WAF and BIG-IP ASM handle a malicious request when a parameter with Base64 decoding is enabled. Impact The attack...

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...

K50839343: NGINX ModSecurity WAF vulnerability CVE-2021-42717

Security Advisory Description ModSecurity 3.x through 3.0.5 mishandles excessively nested JSON objects. Crafted JSON objects with nesting tens-of-thousands deep could result in the web server being unable to service legitimate requests. Even a moderately large e.g., 300KB HTTP request can occupy...

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...

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...

K67397230: BIG-IP ASM, F5 Advanced WAF, and NGINX App Protect normalizing security exposure

Security Advisory Description The BIG-IP ASM, F5 Advanced Web Application Firewall Advanced WAF, and NGINX App Protect systems incorrectly normalize undisclosed strings. Impact The attack signature check fails to detect and block such requests, as expected of a security policy. Symptoms As a resu...

K70134152: BIG-IP ASM, F5 Advanced WAF, and NGINX App Protect encoded directory traversal security exposure

Security Advisory Description The BIG-IP ASM, F5 Advanced Web Application Firewall Advanced WAF, and NGINX App Protect systems may fail to detect encoded directory traversal in the URL. This issue occurs when the following condition is met: The affected security policy is enabled with an evasion...

K91414704: BIG-IP Advanced WAF and ASM Brute Force Protection feature may not properly support the Post-Redirect-Get application flow

Security Advisory Description The Advanced WAF and BIG-IP ASM systems may not properly support the Post-Redirect-Get PRG application flow implemented on a back-end web server. This issue occurs when all of the following conditions are met: You enabled brute force protection in your security polic...

K47204506: BIG-IP Advanced WAF and ASM bd vulnerability CVE-2022-41836

Security Advisory Description When an "Attack Signature False Positive Mode" enabled security policy is configured on a virtual server, undisclosed requests can cause the bd process to terminate. CVE-2022-41836 Impact Traffic is disrupted while the bd process restarts. This vulnerability allows a...

K00602225: Advanced WAF and BIG-IP ASM vulnerability CVE-2021-23028

Security Advisory Description When JSON content profiles are configured for URLs as part of an F5 Advanced Web Application Firewall WAF/BIG-IP ASM security policy and applied to a virtual server, undisclosed requests may cause the BIG-IP ASM bd process to terminate. CVE-2021-23028 Impact Traffic ...

K49237345: BIG-IP Advanced WAF, ASM, and NGINX App Protect WAF XML encoding security exposure

Security Advisory Description F5 BIG-IP Advanced WAF, BIG-IP ASM, or NGINX App Protect WAF incorrectly handles certain requests. This issue occurs when the following condition is met: Advanced WAF, BIG-IP ASM, or NGINX App Protect WAF handles a malicious request with XML content type and XML...

K56142644: Appliance mode Advanced WAF/ASM TMUI authenticated remote command execution vulnerability CVE-2021-22989

Security Advisory Description When running in Appliance mode with Advanced WAF or ASM provisioned, the Traffic Management User Interface TMUI, also referred to as the Configuration utility, has an authenticated remote command execution vulnerability in undisclosed pages. CVE-2021-22989 Note : For...