Buffer overflow in x87 before 3.5.5 in ABB Process Communication Unit 400 (PCU400) 4.4 through 4.6 allows remote attackers to execute arbitrary code via a crafted packet using the (1) IEC60870-5-101 or (2) IEC60870-5-104 communication protocol to the X87 web interface.
CVSS Severity (version 2.0):
Impact Subscore: 10.0
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
This issue is corrected in version 3.5.5 of the x87 executable. To obtain a patch or upgrade software please contact your vendor. The x87 executable is considered obsolete in newer versions of the PCU 400 and should be replaced
by the newer x88 or x89 executable where applicable.
Link to contact information: http://www.abb.com/industries/db0003db004333/c12573e7003305cbc1257074003d0702.aspx?productLanguage=us&country=US&tabKey=Contacts
References to Advisories, Solutions, and Tools
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US-CERT Vulnerability Note:
20080925 C4 Security Advisory - ABB PCU400 4.4-4.6 Remote Buffer Overflow
Vulnerable software and versions