SB2018012519 - Multiple vulnerabilities in Siemens TeleControl Server Basic
Published: January 25, 2018 Updated: January 25, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Information disclosure (CVE-ID: CVE-2018-4835)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The weakness exists due to authentication bypass. A remote attacker with network access to Port 8000/TCP can bypass authentication and gain access to limited information.
2) Privilege escalation (CVE-ID: CVE-2018-4836)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to gain elevated privileges on the target system.
The weakness exists due to improper access and privileges controls. A remote attacker with network access to Port 8000/TCP can escalate his privileges and perform administrative operations.
3) Resource exhaustion (CVE-ID: CVE-2018-4837)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to resource exhaustion. A remote attacker with access to the TeleControl Server Basic’s webserver (Ports 80/TCP or 443/TCP) can trigger memory corruption and cause the web server to crash.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.