CVE-2017-7905

Description

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.

Categories

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.20%
Third-Party Advisory securityfocus.com Third-Party Advisory us-cert.gov
Affected: n/a GE Multilin SR, UR, and URplus Protective Relays
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/98063 third party advisory vdb entry
https://ics-cert.us-cert.gov/advisories/ICSA-17-117-01A patch third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2017-7905?
CVE-2017-7905 has been scored as a critical severity vulnerability.
How to fix CVE-2017-7905?
To fix CVE-2017-7905, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7905 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-7905 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-7905?
CVE-2017-7905 affects n/a GE Multilin SR, UR, and URplus Protective Relays.
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