CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
Percentile
73.9%
Researcher Jürgen Bilberger from Daimler TSS GmbH has identified a code injection vulnerability in Network Vision’s IntraVue software. Network Vision has produced a new version that mitigates this vulnerability.
This vulnerability could be exploited remotely.
The following IntraVue software versions are affected:
Successful exploitation of this vulnerability could allow an unauthenticated user to execute arbitrary operating system commands that could impact the confidentiality, integrity, and availability of an affected server.
Impact to individual organizations depends on many factors that are unique to each organization. NCCIC/ICS-CERT recommends that organizations evaluate the impact of this vulnerability based on their operational environment, architecture, and product implementation.
Network Vision is a US-based company headquartered in Newburyport, Massachusetts.
The affected product, IntraVue, is a software package for network visualization. According to Network Vision, IntraVue is deployed across several sectors including Critical Manufacturing, Transportation Systems, and Water and Wastewater Systems. Network Vision estimates that these products are used globally with a significant portion in North America and Europe.
The vulnerability can be exploited by unauthenticated users to execute arbitrary operating system commands on an affected server system.
CVE-2015-0977NVD, http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-0977, NIST uses this advisory to create the CVE web site report. This web site will be active sometime after publication of this advisory. has been assigned to this vulnerability. A CVSS v2 base score of 10.0 has been assigned; the CVSS vector string is (AV:N/AC:L/Au:N/C:C/I:C/A:C).CVSS Calculator, http://nvd.nist.gov/cvss.cfm?version=2&vector=AV:N/AC:L/Au:N/C:C/I:C/A:C, web site last accessed February 26, 2015.
This vulnerability could be exploited remotely.
No known public exploits specifically target this vulnerability.
An attacker with a low skill would be able to exploit this vulnerability.
Network Vision has released a new version of the IntraVues software that mitigates the code injection vulnerability. It is recommended that the new version be applied as soon as possible. Users who have software support contracts with Network Vision can upgrade to the newest version at no cost. For more information, please contact Network Vision:
Toll Free (US): (877) 499-8100
Phone: (978) 499-7800
Email: [email protected]
Additional mitigations could be implemented as interim prevention measures until the new version is applied. The following mitigations could be used to help limit the impact of the code injection vulnerability; however, the following suggestions may not be appropriate for all environments. ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
ICS-CERT also provides a section for control systems security recommended practices on the ICS-CERT web page at: http://ics-cert.us-cert.gov/content/recommended-practices. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available in the ICS‑CERT Technical Information Paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT web site (http://ics-cert.us-cert.gov/).
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to ICS-CERT for tracking and correlation against other incidents.
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