Multiple vulnerabilities in Siemens SIPROTEC 4 and SIPROTEC Compact
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2016-7112 CVE-2016-7113 CVE-2016-7114 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
SIPROTEC 4 Hardware solutions / Security hardware applicances Siprotec Compact Hardware solutions / Security hardware applicances |
| Vendor | Siemens |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Security restrictions bypass
EUVDB-ID: #VU7382
Risk: Medium
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-7112
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass security restrictions.
The weakness exists due to an error related to EN100 Ethernet module. A remote attacker can send specially crafted HTTP request and bypass access restrictions.
Successful exploitation of the vulnerability results in administrative access to the system.
Update SIPROTEC 4 to version 4.29.
Update SIPROTEC Compact to version 4.29.
SIPROTEC 4: 4.24 - 4.28
Siprotec Compact: 4.24 - 4.28
External linkshttp://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-630413.pdf
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Denial of service
EUVDB-ID: #VU7383
Risk: Medium
CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-7113
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition.
The weakness exists due to an error in the EN100 Ethernet module. A remote attacker can send specially crafted HTTP packets to TCP port 80 and cause the device to crash.
Successful exploitation of the vulnerability results in denial of service.
Update SIPROTEC 4 to version 4.29.
Update SIPROTEC Compact to version 4.29.
SIPROTEC 4: 4.24 - 4.28
Siprotec Compact: 4.24 - 4.28
External linkshttp://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-630413.pdf
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Security restrictions bypass
EUVDB-ID: #VU7384
Risk: Medium
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-7114
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass security restrictions.
The weakness exists due to an error related to EN100 Ethernet module. A remote attacker can send specially crafted HTTP request and bypass access restrictions.
Successful exploitation of the vulnerability results in administrative access to the system.
Update SIPROTEC 4 to version 4.29.
Update SIPROTEC Compact to version 4.29.
SIPROTEC 4: 4.24 - 4.28
Siprotec Compact: 4.24 - 4.28
External linkshttp://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-630413.pdf
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
