OleumTech WIO Use of Cryptographically Weak Pseudo-Random Number Generator

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Summary

CVECVE-2014-2362
StatePUBLISHED
Assignericscert
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-07-24 14:55:07 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionOleumTech WIO DH2 Wireless Gateway and Sensor Wireless I/O Modules rely exclusively on a time value for entropy in key generation, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by predicting the time of project creation.

Risk And Classification

Primary CVSS: v2.0 7.8 from [email protected]

AV:N/AC:M/Au:N/C:C/I:P/A:N

Problem Types: CWE-338 | NVD-CWE-Other | CWE-338 CWE-338

VersionSourceTypeScoreSeverityVector
2.0[email protected]Primary7.8AV:N/AC:M/Au:N/C:C/I:P/A:N
2.0[email protected]Secondary7.8AV:N/AC:M/Au:N/C:C/I:P/A:N
2.0CNACVSS7.8AV:N/AC:M/Au:N/C:C/I:P/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Partial
Availability
None

AV:N/AC:M/Au:N/C:C/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Oleumtech Sensor Wireless I/o Module - All All All
Hardware Oleumtech Wio Dh2 Wireless Gateway - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA OleumTech WIO DH2 Wireless Gateway affected All versions Not specified
CNA OleumTech Sensor Wireless I/O Modules affected All versions Not specified

References

ReferenceSourceLinkTags
Multiple OleumTech Products CVE-2014-2362 Predictable Random Number Generator Weakness af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
OleumTech WIO Family Vulnerabilities | ICS-CERT af854a3a-2127-422b-91ae-364da2661108 ics-cert.us-cert.gov Third Party Advisory, US Government Resource
www.securityfocus.com/bid/68797 [email protected] www.securityfocus.com
support.oleumtech.com [email protected] support.oleumtech.com
www.cisa.gov/news-events/ics-advisories/icsa-14-202-01a [email protected] www.cisa.gov
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Lucas Apa and Carlos Mario Penagos Hollman of IOActive (en)

Additional Advisory Data

Solutions

CNA: OleumTech has created updates for both BreeZ and the gateway to mitigate all these vulnerabilities. These updates allow users to encrypt their wireless traffic with AES256. To obtain these updates, please log in to the OleumTech download center ( http://support.oleumtech.com/  ) or contact OleumTech tech support:Phone: 866-508-8586 Email: [email protected]

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