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Foscam Cameras And Network Devices Hardcoded Keys

🗓️ 08 Apr 2017 00:00:00Reported by Nick M McKennaType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 42 Views

Foscam Devices Share Hardcoded SSL Private Key, Making MITM Attacks Feasibl

Code
`Two issues in one that nullify SSL in foscam devices:  
All Foscam networked cameras use the same SSL private key that is hard coded into the downloadable firmware. This is easily extracted using a utility like binwalk and would allow an attacker to MITM any Foscam device.  
One devices SSL keys are valid for any other device. See the below certificates CNs: *.myfoscam.org  
  
Below are the ssl certificates of two foscam devices.  
  
openssl s_client -connect [REDACTED]myfoscam.org:443  
  
CONNECTED(00000003)  
depth=0 C = CN, ST = Guangdong, L = Shenzhen, O = "Shenzhen Foscam Intelligent Technology Co,Ltd", CN = *.myfoscam.org  
verify error:num=20:unable to get local issuer certificate  
verify return:1  
depth=0 C = CN, ST = Guangdong, L = Shenzhen, O = "Shenzhen Foscam Intelligent Technology Co,Ltd", CN = *.myfoscam.org  
verify error:num=21:unable to verify the first certificate  
verify return:1  
---  
Certificate chain  
0 s:/C=CN/ST=Guangdong/L=Shenzhen/O=Shenzhen Foscam Intelligent Technology Co,Ltd/CN=*.myfoscam.org  
i:/C=CN/O=WoSign CA Limited/CN=WoSign Class 3 OV Server CA  
---  
Server certificate  
-----BEGIN CERTIFICATE-----  
MIIFFDCCA/ygAwIBAgIQEMpzCCRnnDOkG7I+cxTlKTANBgkqhkiG9w0BAQUFADBP  
MQswCQYDVQQGEwJDTjEaMBgGA1UEChMRV29TaWduIENBIExpbWl0ZWQxJDAiBgNV  
BAMTG1dvU2lnbiBDbGFzcyAzIE9WIFNlcnZlciBDQTAeFw0xNTA0MDcwODIwMDda  
Fw0xNjEyMDcwOTIwMDdaMIGFMQswCQYDVQQGEwJDTjESMBAGA1UECAwJR3Vhbmdk  
b25nMREwDwYDVQQHDAhTaGVuemhlbjE2MDQGA1UECgwtU2hlbnpoZW4gRm9zY2Ft  
IEludGVsbGlnZW50IFRlY2hub2xvZ3kgQ28sTHRkMRcwFQYDVQQDDA4qLm15Zm9z  
Y2FtLm9yZzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAK8H1eeluYBP  
7x/7DLKPGneAnI9LWdMYbo+dIQKsyxQXRPOL+eWpQ/aWm/TAy0i4eDxmE0F7HmEn  
Y/m3Prl7TweSvFYcthDn77bJTXjbdKdLPFxc34j/KC2AdaJOJzGVJfmPuSVk2NW+  
mQyZxFuMU0X8M88+HwPX7leADUAjNdNIGcw4BG9xCrTY/6N/tk9an5iOHc+WKRQm  
P6S+2xCSHIUETpbPlpbRnk+FYDP8KLqdLwTgECIYEfsefNdasACyQ9EafWF1C683  
iuMAxtRe+mghklQoWYeslA6FhDcIZilPPkgnWjjqIkkAn+ik1q521aI3fUz/iGfM  
ugsGMuBmck0CAwEAAaOCAbMwggGvMAsGA1UdDwQEAwIFoDAdBgNVHSUEFjAUBggr  
BgEFBQcDAgYIKwYBBQUHAwEwCQYDVR0TBAIwADAdBgNVHQ4EFgQUYf1ztHxahhue  
DsBxwaJJhZHpTAIwHwYDVR0jBBgwFoAUYi6B2eNCeRSjzdlUim743pWqj5gwfwYI  
KwYBBQUHAQEEczBxMDUGCCsGAQUFBzABhilodHRwOi8vb2NzcDEud29zaWduLmNv  
bS9jbGFzczMvc2VydmVyL2NhMTA4BggrBgEFBQcwAoYsaHR0cDovL2FpYTEud29z  
aWduLmNvbS9jbGFzczMuc2VydmVyLmNhMS5jZXIwOQYDVR0fBDIwMDAuoCygKoYo  
aHR0cDovL2NybHMxLndvc2lnbi5jb20vY2ExLXNlcnZlci0zLmNybDAnBgNVHREE  
IDAegg4qLm15Zm9zY2FtLm9yZ4IMbXlmb3NjYW0ub3JnMFEGA1UdIARKMEgwCAYG  
Z4EMAQICMDwGDSsGAQQBgptRAQMCAQIwKzApBggrBgEFBQcCARYdaHR0cDovL3d3  
dy53b3NpZ24uY29tL3BvbGljeS8wDQYJKoZIhvcNAQEFBQADggEBAFSLG5spzqWY  
qzZmHTYvNPwFSF6AD1VXksIaqKvrj4x4tOR5JQz3JBpgHpchaxQlv0VxA12lmGRY  
kkF7vK48yVwlZkV6+ScYiK2PAVxpyJqqA42cv0vbna+cgoSbw5zz6/VjWdiAlqbl  
lS5Su2FsVuPJBEIbRXQshRJycmxG9JqKOWQRSNvxdO59EHyYSmo+avNLzGl218R4  
FeF4fEP4/QHmOPNzrDMFzfXFdlsO3T3WeXcmgeSyNGev9d6EwhP+LRJsawpVdRAq  
f1sqtSGbqN3iGQrEQeGMCDAE+U7nzTTCWBcFXg8O5077kiB/MZtx2kDpZf2p3qqt  
OVAbevhaNsE=  
-----END CERTIFICATE-----  
subject=/C=CN/ST=Guangdong/L=Shenzhen/O=Shenzhen Foscam Intelligent Technology Co,Ltd/CN=*.myfoscam.org  
issuer=/C=CN/O=WoSign CA Limited/CN=WoSign Class 3 OV Server CA  
  
openssl s_client -connect [REDACTED]myfoscam.org:443  
  
  
CONNECTED(00000003)  
  
depth=0 C = CN, ST = Guangdong, L = Shenzhen, O = "Shenzhen Foscam Intelligent Technology Co,Ltd", CN = *.myfoscam.org  
verify error:num=20:unable to get local issuer certificate  
verify return:1  
depth=0 C = CN, ST = Guangdong, L = Shenzhen, O = "Shenzhen Foscam Intelligent Technology Co,Ltd", CN = *.myfoscam.org  
verify error:num=21:unable to verify the first certificate  
verify return:1  
---  
Certificate chain  
0 s:/C=CN/ST=Guangdong/L=Shenzhen/O=Shenzhen Foscam Intelligent Technology Co,Ltd/CN=*.myfoscam.org  
i:/C=CN/O=WoSign CA Limited/CN=WoSign Class 3 OV Server CA  
---  
Server certificate  
-----BEGIN CERTIFICATE-----  
MIIFFDCCA/ygAwIBAgIQEMpzCCRnnDOkG7I+cxTlKTANBgkqhkiG9w0BAQUFADBP  
MQswCQYDVQQGEwJDTjEaMBgGA1UEChMRV29TaWduIENBIExpbWl0ZWQxJDAiBgNV  
BAMTG1dvU2lnbiBDbGFzcyAzIE9WIFNlcnZlciBDQTAeFw0xNTA0MDcwODIwMDda  
Fw0xNjEyMDcwOTIwMDdaMIGFMQswCQYDVQQGEwJDTjESMBAGA1UECAwJR3Vhbmdk  
b25nMREwDwYDVQQHDAhTaGVuemhlbjE2MDQGA1UECgwtU2hlbnpoZW4gRm9zY2Ft  
IEludGVsbGlnZW50IFRlY2hub2xvZ3kgQ28sTHRkMRcwFQYDVQQDDA4qLm15Zm9z  
Y2FtLm9yZzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAK8H1eeluYBP  
7x/7DLKPGneAnI9LWdMYbo+dIQKsyxQXRPOL+eWpQ/aWm/TAy0i4eDxmE0F7HmEn  
Y/m3Prl7TweSvFYcthDn77bJTXjbdKdLPFxc34j/KC2AdaJOJzGVJfmPuSVk2NW+  
mQyZxFuMU0X8M88+HwPX7leADUAjNdNIGcw4BG9xCrTY/6N/tk9an5iOHc+WKRQm  
P6S+2xCSHIUETpbPlpbRnk+FYDP8KLqdLwTgECIYEfsefNdasACyQ9EafWF1C683  
iuMAxtRe+mghklQoWYeslA6FhDcIZilPPkgnWjjqIkkAn+ik1q521aI3fUz/iGfM  
ugsGMuBmck0CAwEAAaOCAbMwggGvMAsGA1UdDwQEAwIFoDAdBgNVHSUEFjAUBggr  
BgEFBQcDAgYIKwYBBQUHAwEwCQYDVR0TBAIwADAdBgNVHQ4EFgQUYf1ztHxahhue  
DsBxwaJJhZHpTAIwHwYDVR0jBBgwFoAUYi6B2eNCeRSjzdlUim743pWqj5gwfwYI  
KwYBBQUHAQEEczBxMDUGCCsGAQUFBzABhilodHRwOi8vb2NzcDEud29zaWduLmNv  
bS9jbGFzczMvc2VydmVyL2NhMTA4BggrBgEFBQcwAoYsaHR0cDovL2FpYTEud29z  
aWduLmNvbS9jbGFzczMuc2VydmVyLmNhMS5jZXIwOQYDVR0fBDIwMDAuoCygKoYo  
aHR0cDovL2NybHMxLndvc2lnbi5jb20vY2ExLXNlcnZlci0zLmNybDAnBgNVHREE  
IDAegg4qLm15Zm9zY2FtLm9yZ4IMbXlmb3NjYW0ub3JnMFEGA1UdIARKMEgwCAYG  
Z4EMAQICMDwGDSsGAQQBgptRAQMCAQIwKzApBggrBgEFBQcCARYdaHR0cDovL3d3  
dy53b3NpZ24uY29tL3BvbGljeS8wDQYJKoZIhvcNAQEFBQADggEBAFSLG5spzqWY  
qzZmHTYvNPwFSF6AD1VXksIaqKvrj4x4tOR5JQz3JBpgHpchaxQlv0VxA12lmGRY  
kkF7vK48yVwlZkV6+ScYiK2PAVxpyJqqA42cv0vbna+cgoSbw5zz6/VjWdiAlqbl  
lS5Su2FsVuPJBEIbRXQshRJycmxG9JqKOWQRSNvxdO59EHyYSmo+avNLzGl218R4  
FeF4fEP4/QHmOPNzrDMFzfXFdlsO3T3WeXcmgeSyNGev9d6EwhP+LRJsawpVdRAq  
f1sqtSGbqN3iGQrEQeGMCDAE+U7nzTTCWBcFXg8O5077kiB/MZtx2kDpZf2p3qqt  
OVAbevhaNsE=  
-----END CERTIFICATE-----  
  
  
Foscam has had two years to fix this and has not.  
`

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08 Apr 2017 00:00Current
0.8Low risk
Vulners AI Score0.8
42