VDB-102954 · CVE-2017-7905 · BID 98063

General Electric Multilin Protection Relay Random Generator cryptographic issue

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in General Electric Multilin Protection Relay. Impacted is an unknown function of the component Random Generator. The manipulation results in cryptographic issue. This vulnerability is cataloged as CVE-2017-7905. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in General Electric Multilin Protection Relay (unknown version). Affected is an unknown code block of the component Random Generator. The manipulation with an unknown input leads to a cryptographic issue vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 04/27/2017. The weakness was shared 06/30/2017 (Website). The advisory is available at ics-cert.us-cert.gov. This vulnerability is traded as CVE-2017-7905 since 04/18/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 63 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98063†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/18/2017 🔍
04/27/2017 +9 days 🔍
04/27/2017 +0 days 🔍
06/29/2017 +63 days 🔍
06/30/2017 +1 days 🔍
06/30/2017 +0 days 🔍
12/30/2020 +1279 days 🔍

Sourcesinfo

Advisory: ics-cert.us-cert.gov
Researcher: Anastasis Keliris, Charalambos Konstantinou, Marios Sazos, Dr. Michail
Status: Not defined

CVE: CVE-2017-7905 (🔍)
GCVE (CVE): GCVE-0-2017-7905
GCVE (VulDB): GCVE-100-102954
SecurityFocus: 98063 - GE Multiple Products CVE-2017-7905 Weak Password Security Vulnerability

Entryinfo

Created: 06/30/2017 10:52
Updated: 12/30/2020 10:42
Changes: 06/30/2017 10:52 (58), 10/21/2019 14:45 (3), 12/30/2020 10:42 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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