PT-2013-1049 · Siemens · Wincc

Aleksandr Tlyapov · Published 2013-06-14 · Updated 2013-06-17 · CVE-2013-3959

Positive Technologies (AI Summary)

CVSS v2.0

4.0

Medium

Base vector

AV:N/AC:L/Au:S/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions Siemens WinCC versions prior to 7.2 Update 1

Description The issue exists due to different behavior for NetBIOS user names in the Web Navigator component of Siemens WinCC, depending on whether a user account exists. This allows remote authenticated users to enumerate account names by using specially crafted URL parameters.

Recommendations For versions prior to 7.2 Update 1, update to version 7.2 Update 1 or later to resolve the issue.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2015-00686

BDU:2015-00689

CVE-2013-3959

Affected Products

Wincc

References · 8

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-3959 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2013-3959 · Security Note
• http://siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345843.pdf · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-00689 · Security Note
• https://bdu.fstec.ru/vul/2015-00686 · Security Note
• siemens: · Note
• http://securitylab.ru/lab/PT-2013-44 · Note
• http://siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-345843.pdf · Note