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...

K45056101: Advanced WAF/ASM TMUI authenticated remote command execution vulnerability CVE-2021-22990

Security Advisory Description On systems with Advanced WAF or BIG-IP 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-2021-22990 Note : For systems...

K39002226: F5 Advanced WAF and BIG-IP ASM multipart request security exposure

Security Advisory Description Under certain conditions, the F5 Advanced Web Application Firewall Advanced WAF and BIG-IP ASM systems may not correctly detect attack signatures. This issue occurs when the following condition is met: The Advanced WAF or BIG-IP ASM received a client request containi...

K94142349: BIG-IP Advanced WAF and ASM WebSocket security exposure

Security Advisory Description BIG-IP Advanced WAF and ASM incorrectly handle certain WebSocket requests. This issue occurs when the following condition is met: BIG-IP Advanced WAF or ASM handles a malicious WebSocket message. Impact The attack signature check fails to detect and block requests, a...

K23203045: BIG-IP Advanced WAF and ASM REST API vulnerability CVE-2021-23014

Security Advisory Description BIG-IP Advanced WAF and ASM are missing authorization checks for file uploads to a specific directory within the REST API, which might allow authenticated users with guest privileges to upload files. CVE-2021-23014 Impact If an attacker has network access to the BIG-...

K48321015: The BIG-IP Advanced WAF and ASM systems may fail to correctly enforce HTML form login pages

Security Advisory Description The BIG-IP Advanced WAF and ASM systems may fail to correctly enforce HTML form login pages when the request contains an incorrectly formatted parameter. This issue occurs when the security policy includes a configuration that enables brute force protection for the...

K05391775: The BIG-IP ASM system may not properly perform attack signature checks

Security Advisory Description The BIG-IP ASM system may not properly perform attack signature checks on request and response content. This issue occurs when all of the following conditions are met: Your system is running BIG-IP 13.1.x. BIG-IP systems running 14.1.x and later are not affected. A...

K41351250: BIG-IP Advanced WAF and BIG-IP ASM vulnerability CVE-2021-23031

Security Advisory Description An authenticated user may perform a privilege escalation on the BIG-IP Advanced WAF and ASM Configuration utility. CVE-2021-23031 Impact When this vulnerability is exploited, an authenticated attacker with access to the Configuration utility can execute arbitrary...

FortiWeb - Weak generation of WAF session IDs leads to session fixation

A condition for session fixation vulnerability CWE-384 in the session management of FortiWeb may allow a remote, unauthenticated attacker to infer the session identifier of other users and possibly usurp their session...