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Secunia Security Advisory 46997

Secunia Security Advisory 46997
Posted Nov 30, 2011
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Luigi Auriemma has discovered two vulnerabilities in Siemens SIMATIC WinCC Flexible, which can be exploited by malicious people to disclose potentially sensitive information and cause a DoS (Denial of Service).

tags | advisory, denial of service, vulnerability
SHA-256 | ef0bd80742863d9390beef99101a5572bc1fc990288fb26bc0ed7904418615b0

Secunia Security Advisory 46997

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TITLE:
Siemens SIMATIC WinCC Flexible HMI Miniweb Two Vulnerabilities

SECUNIA ADVISORY ID:
SA46997

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46997/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46997

RELEASE DATE:
2011-11-30

DISCUSS ADVISORY:
http://secunia.com/advisories/46997/#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/46997/

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=46997

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:
Luigi Auriemma has discovered two vulnerabilities in Siemens SIMATIC
WinCC Flexible, which can be exploited by malicious people to
disclose potentially sensitive information and cause a DoS (Denial of
Service).

1) An input sanitisation error in Miniweb.exe when handling HTTP GET
requests can be exploited to download arbitrary files via directory
traversal attacks sent in a web request.

2) An input validation error in Miniweb.exe when handling HTTP POST
requests can be exploited to crash the process via specially crafted
content sent in a web request.

The vulnerabilities are confirmed in version 2008 SP2 Upd13
(K01.03.02.13_01.02.00.01). Other versions may also be affected.

SOLUTION:
Restrict access to trusted hosts only.

PROVIDED AND/OR DISCOVERED BY:
Luigi Auriemma

ORIGINAL ADVISORY:
http://aluigi.altervista.org/adv/winccflex_1-adv.txt

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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