Information disclosure in Siemens SIMATIC STEP 7
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2016-7960 |
| CWE-ID | CWE-310 |
| Exploitation vector | Local |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
SIMATIC STEP 7 Server applications / SCADA systems |
| Vendor | Siemens |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Information disclosure
EUVDB-ID: #VU995
Risk: Low
CVSSv3.1: 2.3 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2016-7960
CWE-ID:
CWE-310 - Cryptographic Issues
Exploit availability: No
DescriptionThe vulnerability allows a local user to obtain potentially sensitive configuration settings on the target system.
The weakness is due to cryptographic issues that lets attacker bypass protection of the transport format of TIA Portal project files and view important files.
Successful exploitation of the vulnerability results in disclosure of potentially sensitive data on the vulnerable system.
Update to version 14.
Vulnerable software versionsSIMATIC STEP 7: 1.0 - 13
External linkshttp://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-869766.pdf
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
