Secunia Security Advisory - A vulnerability and a weakness have been reported in Siemens Scalance Firewall, which can be exploited by malicious people to conduct brute-force attacks or cause a DoS (Denial of Service).
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TITLE:
Siemens Scalance Firewall Two Vulnerabilities
SECUNIA ADVISORY ID:
SA48680
VERIFY ADVISORY:
Secunia.com
https://secunia.com/advisories/48680/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=48680
RELEASE DATE:
2012-04-06
DISCUSS ADVISORY:
https://secunia.com/advisories/48680/#comments
AVAILABLE ON SITE AND IN CUSTOMER AREA:
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* Criticality Level
* Impact
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* Operating System / Software
* CVE Reference(s)
https://secunia.com/advisories/48680/
ONLY AVAILABLE IN CUSTOMER AREA:
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https://ca.secunia.com/?page=viewadvisory&vuln_id=48680
ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
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https://secunia.com/vulnerability_scanning/personal/
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DESCRIPTION:
A vulnerability and a weakness have been reported in Siemens Scalance
Firewall, which can be exploited by malicious people to conduct
brute-force attacks or cause a DoS (Denial of Service).
1) Missing enforcement of time delays between failed logon attempts
to the web configuration interface allows probing a high number of
passwords within short time, making brute-force attacks more
effective.
2) An error in the handling of the Profinet DCP protocol can be
exploited via a specially crafted DCP frame to cause the firewall to
become unresponsive and interrupt established VPN tunnels.
The vulnerability and weakness are reported in the following
devices:
* Scalance S602 V2
* Scalance S612 V2
* Scalance S613 V2
SOLUTION:
Update to firmware version 2.3.0.3.
Further details available in Customer Area:
https://secunia.com/vulnerability_intelligence/
PROVIDED AND/OR DISCOVERED BY:
The vendor credits Adam Hahn and Manimaran Govindarasu, Iowa State
University.
ORIGINAL ADVISORY:
Siemens SSA-268149:
https://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-268149.pdf
OTHER REFERENCES:
Further details available in Customer Area:
https://secunia.com/vulnerability_intelligence/
DEEP LINKS:
Further details available in Customer Area:
https://secunia.com/vulnerability_intelligence/
EXTENDED DESCRIPTION:
Further details available in Customer Area:
https://secunia.com/vulnerability_intelligence/
EXTENDED SOLUTION:
Further details available in Customer Area:
https://secunia.com/vulnerability_intelligence/
EXPLOIT:
Further details available in Customer Area:
https://secunia.com/vulnerability_intelligence/
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About:
This Advisory was delivered by Secunia as a free service to help
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