CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS
Percentile
66.1%
Ivan Sanchez from Nullcode Team has identified a handling of exceptional conditions vulnerability in PACTware Consortium’s PACTware application. PACTware Consortium has produced a new service pack that mitigates this vulnerability. Ivan Sanchez has tested the new version to validate that it resolves the vulnerability.
The following PACTware versions are affected:
Successful exploitation of this vulnerability could crash the application.
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.
PACTware Consortium is a union of international companies that develop a common software for operating field instruments. PACTware Consortium is based in Germany.
The affected product, PACTware, is a fieldbus-independent software for operating field instruments. According to PACTware Consortium, PACTware is deployed across most sectors. PACTware Consortium estimates that PACTware is used worldwide.
Uploading a specially crafted file could result in an internal error that is not handled correctly, which may cause the application to crash.
CVE-2015-0989NVD, http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-0989, 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 1.2 has been assigned; the CVSS vector string is (AV:L/AC:H/Au:N/C:N/I:N/A:P).CVSS Calculator, http://nvd.nist.gov/cvss.cfm?version=2&vector=AV:L/AC:H/Au:N/C:N/I:N/A:P, web site last accessed June 25, 2015.
This vulnerability is not exploitable remotely and cannot be exploited without user interaction.
No known public exploits specifically target this vulnerability.
Crafting a working exploit for this vulnerability would be difficult. Social engineering is required to convince the user to accept the malformed file. Additional user interaction is needed to load the malformed file. This decreases the likelihood of a successful exploit.
PACTware Consortium has released a new service pack of the PACTware application that resolves the vulnerability. PACTware Consortium recommends upgrading to PACTware Version 4.1, Service Pack 4.
Contact PACTware Consortium for Service Pack 4. PACTware Consortium’s contact information is available at the following URL:
<http://www.pactware.com/en/contact.html>
PACTware Consortium’s main download page is at the following URL:
<http://www.pactware.com/en/downloads/pactware.html>
ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should consider the following:
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.
In addition, ICS-CERT recommends that users take the following measures to protect themselves from social engineering attacks:
www.pactware.com/en/contact.html
www.pactware.com/en/downloads/pactware.html
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