PT-2016-3841 · Unitronics · Visilogic Oplc Ide

Steven Seeley · Published 2016-01-06 · Updated 2016-01-18 · CVE-2015-7939

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Unitronics VisiLogic OPLC IDE versions prior to 9.8.09

Description The issue is related to a heap-based buffer overflow that can be triggered by a long vlp filename, allowing remote attackers to execute arbitrary code. This is a remote code execution vulnerability related to file parsing.

Recommendations For versions prior to 9.8.09, update to version 9.8.09 or later to resolve the issue. As a temporary workaround, consider restricting the length of vlp filenames to prevent exploitation until a patch is applied.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2015-7939

ZDI-16-001

Affected Products

Visilogic Oplc Ide

References · 4

• https://zerodayinitiative.com/advisories/ZDI-16-001 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2015-7939 · Security Note
• http://zerodayinitiative.com/advisories/ZDI-16-001 · Note
• https://ics-cert.us-cert.gov/advisories/ICSA-15-274-02A · Note