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Secunia Security Advisory 51628

Secunia Security Advisory 51628
Posted Dec 21, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Two vulnerabilities have been reported in SIMATIC S7-1200, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service, vulnerability
MD5 | b1ecb2fb094133d958979154791280a0

Secunia Security Advisory 51628

Change Mirror Download
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The final version of the CSI 6.0 has been released.
Find out why this is not just another Patch Management solution: http://secunia.com/blog/325/

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TITLE:
Siemens SIMATIC S7-1200 Two Denial of Service Vulnerabilities

SECUNIA ADVISORY ID:
SA51628

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/51628/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=51628

RELEASE DATE:
2012-12-21

DISCUSS ADVISORY:
http://secunia.com/advisories/51628/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)

http://secunia.com/advisories/51628/

ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=51628

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Two vulnerabilities have been reported in SIMATIC S7-1200, which can
be exploited by malicious people to cause a DoS (Denial of Service).

1) An error when handling SNMP status information can be exploited to
cause the device to enter defect mode via specially crafted packets
sent to UDP port 161.

2) An error when handling TCP packets (ISO-TSAP) for device
management can be exploited to cause the device to enter defect mode
via specially crafted packets sent to TCP port 102.

The vulnerabilities are reported in all 2.x and 3.x versions.

SOLUTION:
The vendor is currently working on a fix. No official solution is
currently available.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits:
1) Prof. Dr. Hartmut Pohl, softScheck GmbH
2) Arne Vidstrom, Swedish Defence Research Agency (FOI)

ORIGINAL ADVISORY:
SSA-724606:
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-724606.pdf

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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