Forum Discussion
mbean
Altostratus
Altostratusspring4shell iRules yet?
Anyone have an irule to help alleviate this yet? re: https://www.cyberkendra.com/2022/03/springshell-rce-0-day-vulnerability.html " WAF protection On network protection devices such as WAF,...
F5 has published additional Advanced WAF rules for CVE-2022-22965 (Spring4Shell) and CVE-2022-22963 (Spring Cloud RCE), in addition to the 0-day coverage provided by several existing rules: https://support.f5.com/csp/article/K24912123
While you could likely use the log4j iRule as a base and modify it to contain your desired rules for Spring4Shell et al, I would caution that it is much more efficient and robust to use a WAF like Advanced WAF or NGINX App Protect than it is to re-write that functionality in an iRule.
AaronJB
SIRT
SIRTF5 has published additional Advanced WAF rules for CVE-2022-22965 (Spring4Shell) and CVE-2022-22963 (Spring Cloud RCE), in addition to the 0-day coverage provided by several existing rules: https://support.f5.com/csp/article/K24912123
While you could likely use the log4j iRule as a base and modify it to contain your desired rules for Spring4Shell et al, I would caution that it is much more efficient and robust to use a WAF like Advanced WAF or NGINX App Protect than it is to re-write that functionality in an iRule.