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TITLE:
InduSoft Web Studio CEServer Security Bypass and Buffer Overflow
Vulnerabilities

SECUNIA ADVISORY ID:
SA46871

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46871/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46871

RELEASE DATE:
2011-11-16

DISCUSS ADVISORY:
http://secunia.com/advisories/46871/#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/46871/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
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 * Systems Affected
 * Approve Distribution
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https://ca.secunia.com/?page=viewadvisory&vuln_id=46871

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:
A security issue and a vulnerability have been reported in InduSoft
Web Studio, which can be exploited by malicious people to bypass
certain security restrictions and compromise a vulnerable system.

1) An error within the remote agent component (CEServer.exe) when
processing incoming requests can be exploited to bypass the
authentication mechanism.

2) A boundary error within the remote agent component (CEServer.exe)
when handling the remove file operation (0x15) can be exploited to
cause a stack-based buffer overflow.

Successful exploitation of this vulnerability may allow execution of
arbitrary code.

The security issue and the vulnerability are reported in versions
prior to 7.0 Service Pack 1 Patch 1.

SOLUTION:
Apply Service Pack 1 Patch 1.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Luigi Auriemma via ZDI.

ORIGINAL ADVISORY:
InduSoft:
http://www.indusoft.com/hotfixes/hotfixes.php

ICS-CERT:
http://www.us-cert.gov/control_systems/pdf/ICSA-11-319-01.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/

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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.

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Definitions: (Criticality, Where etc.)
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Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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