9.8
CRITICAL
CVE-2017-7905
"GE Multilin Weak Cryptography for Passwords"
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.

INFO

Published Date :

June 30, 2017, 3:29 a.m.

Last Modified :

Nov. 21, 2024, 3:32 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2017-7905 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ge multilin_sr_750_feeder_protection_relay_firmware
2 Ge multilin_sr_760_feeder_protection_relay_firmware
3 Ge multilin_sr_469_motor_protection_relay_firmware
4 Ge multilin_sr_489_generator_protection_relay_firmware
5 Ge multilin_sr_745_transformer_protection_relay_firmware
6 Ge multilin_sr_369_motor_protection_relay_firmware
7 Ge multilin_universal_relay_firmware
8 Ge multilin_urplus_d90_firmware
9 Ge multilin_urplus_c90_firmware
10 Ge multilin_urplus_b95_firmware
11 Ge multilin_sr_750_feeder_protection_relay
12 Ge multilin_sr_760_feeder_protection_relay
13 Ge multilin_sr_469_motor_protection_relay
14 Ge multilin_sr_489_generator_protection_relay
15 Ge multilin_sr_745_transformer_protection_relay
16 Ge multilin_sr_369_motor_protection_relay
17 Ge multilin_universal_relay
18 Ge multilin_urplus_d90
19 Ge multilin_urplus_c90
20 Ge multilin_urplus_b95
: Total Affected Vendor : 1 | Products : 20
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-7905.

URL Resource
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
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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-7905 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-7905 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/98063
    Added Reference https://ics-cert.us-cert.gov/advisories/ICSA-17-117-01A
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CWE ICS-CERT CWE-261
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-310 CWE-326 CWE-330 CWE-522
  • Initial Analysis by [email protected]

    Jul. 14, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://ics-cert.us-cert.gov/advisories/ICSA-17-117-01A No Types Assigned https://ics-cert.us-cert.gov/advisories/ICSA-17-117-01A Patch, Third Party Advisory, US Government Resource
    Changed Reference Type http://www.securityfocus.com/bid/98063 No Types Assigned http://www.securityfocus.com/bid/98063 Third Party Advisory, VDB Entry
    Added CWE CWE-310
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_sr_750_feeder_protection_relay_firmware:5.02:*:*:*:*:*:*:* (and previous) OR cpe:2.3:h:ge:multilin_sr_750_feeder_protection_relay:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_sr_760_feeder_protection_relay_firmware:5.02:*:*:*:*:*:*:* (and previous) OR cpe:2.3:h:ge:multilin_sr_760_feeder_protection_relay:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_sr_469_motor_protection_relay_firmware:2.90:*:*:*:*:*:*:* (and previous) OR cpe:2.3:h:ge:multilin_sr_469_motor_protection_relay:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_sr_489_generator_protection_relay_firmware:1.53:*:*:*:*:*:*:* (and previous) OR cpe:2.3:h:ge:multilin_sr_489_generator_protection_relay:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_sr_745_transformer_protection_relay_firmware:2.85:*:*:*:*:*:*:* (and previous) OR cpe:2.3:h:ge:multilin_sr_745_transformer_protection_relay:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_sr_369_motor_protection_relay_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:ge:multilin_sr_369_motor_protection_relay:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_universal_relay_firmware:6.0:*:*:*:*:*:*:* (and previous) OR cpe:2.3:h:ge:multilin_universal_relay:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_urplus_d90_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:ge:multilin_urplus_d90:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_urplus_c90_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:ge:multilin_urplus_c90:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_urplus_b95_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:ge:multilin_urplus_b95:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 01, 2017

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/98063 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-7905 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2017-7905 weaknesses.

CAPEC-55: Rainbow Table Password Cracking Rainbow Table Password Cracking CAPEC-20: Encryption Brute Forcing Encryption Brute Forcing CAPEC-112: Brute Force Brute Force CAPEC-192: Protocol Analysis Protocol Analysis CAPEC-59: Session Credential Falsification through Prediction Session Credential Falsification through Prediction CAPEC-112: Brute Force Brute Force CAPEC-485: Signature Spoofing by Key Recreation Signature Spoofing by Key Recreation CAPEC-50: Password Recovery Exploitation Password Recovery Exploitation CAPEC-102: Session Sidejacking Session Sidejacking CAPEC-474: Signature Spoofing by Key Theft Signature Spoofing by Key Theft CAPEC-509: Kerberoasting Kerberoasting CAPEC-551: Modify Existing Service Modify Existing Service CAPEC-555: Remote Services with Stolen Credentials Remote Services with Stolen Credentials CAPEC-560: Use of Known Domain Credentials Use of Known Domain Credentials CAPEC-561: Windows Admin Shares with Stolen Credentials Windows Admin Shares with Stolen Credentials CAPEC-600: Credential Stuffing Credential Stuffing CAPEC-644: Use of Captured Hashes (Pass The Hash) Use of Captured Hashes (Pass The Hash) CAPEC-645: Use of Captured Tickets (Pass The Ticket) Use of Captured Tickets (Pass The Ticket) CAPEC-652: Use of Known Kerberos Credentials Use of Known Kerberos Credentials CAPEC-653: Use of Known Operating System Credentials Use of Known Operating System Credentials
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.20 }} -0.01%

score

0.57258

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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