SB2020021217 - Multiple vulnerabilities in Siemens SIMATIC CP 1543-1
Published: February 12, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Infinite loop (CVE-ID: CVE-2019-18217)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop in main.c in a child process when handling overly long commands. A remote non-authenticated attacker can perform a denial of service attack by sending an overly log command to the affected FTP server.
2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-12815)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to the application does not honor <Limit READ> and <Limit WRITE> configurations for SITE CPFR and SITE CPTO commands in the mod_copy module. A remote authenticated user with read permissions (e.g. user anonymous) can read contents of an arbitrary file on the server.
Remediation
Install update from vendor's website.