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AUSCERT Security Bulletin
ASB-2013.0111
A vulnerability has been identified in Siemens SCALANCE X-200 Switch Family
4 October 2013
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AusCERT Security Bulletin Summary
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Product: Siemens SCALANCE X-200 Switches
Operating System: Network Appliance
Impact/Access: Administrator Compromise -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2013-5944
Member content until: Sunday, November 3 2013
OVERVIEW
A vulnerability has been identified in Siemens SCALANCE X-200 Switch
Family. [1]
IMPACT
The vendor has provided the following details regarding these
vulnerability:
"Vulnerability Description (CVE-2013-5944)
The integrated web server of SCALANCE X-200 switches might allow
attackers to perform administrative operations over the network
without authentication.
CVSS Base Score 10.0
CVSS Temporal Score 7.8
CVSS Overall Score 7.8 (AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:OF/RC:C)
Mitigating factors:
The attacker must have network access to the device" [1]
MITIGATION
The vendor recommends upgrading to the current SCALANCE X-200 firmware
versions V5.0.1 (non-IRT) and V5.1.2 (IRT). [1]
REFERENCES
[1] SSA-176087: Unauthenticated Access to Critical Services in SCALANCE
X-200 Switch Family
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-176087.pdf
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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