CVE-2017-7905
CriticalSummary
A Weak Cryptography for Passwords issue was discovered in General Electric (GE) Multilin SR 750, SR 760, SR 469, SR 489, SR 745, SR 369, and Multilin Universal Relay and URplus devices. Firmware versions prior to specified versions are susceptible to dictionary attacks due to the use of a non-random initialization vector.
Risk Assessment
Organizations using these devices may be exposed to unauthorized access to systems, potentially leading to serious security and data integrity issues.
Recommendation
It is recommended to update the firmware to the latest versions that address the password cryptography issue and implement additional security measures such as access monitoring.
Original NVD description (English source)
A Weak Cryptography for Passwords issue was discovered in General Electric (GE) Multilin SR 750 Feeder Protection Relay, firmware versions prior to Version 7.47; SR 760 Feeder Protection Relay, firmware versions prior to Version 7.47; SR 469 Motor Protection Relay, firmware versions prior to Version 5.23; SR 489 Generator Protection Relay, firmware versions prior to Version 4.06; SR 745 Transformer Protection Relay, firmware versions prior to Version 5.23; SR 369 Motor Protection Relay, all firmware versions; Multilin Universal Relay, firmware Version 6.0 and prior versions; and Multilin URplus (D90, C90, B95), all versions. Ciphertext versions of user passwords were created with a non-random initialization vector leaving them susceptible to dictionary attacks. Ciphertext of user passwords can be obtained from the front LCD panel of affected products and through issued Modbus commands.