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TITLE:
xArrow Multiple Denial of Service Vulnerabilities

SECUNIA ADVISORY ID:
SA48276

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/48276/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=48276

RELEASE DATE:
2012-03-06

DISCUSS ADVISORY:
http://secunia.com/advisories/48276/#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/48276/

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=48276

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 multiple vulnerabilities in xArrow,
which can be exploited by malicious people to cause a DoS (Denial of
Service).

1) A NULL-pointer dereference error in SCADA.exe due to missing
validation when allocating memory can be exploited to cause a crash
via a specially crafted packet sent to TCP port 1975.

2) An error in SCADA.exe when allocating memory to process certain
packets can be exploited to cause limited memory corruption and crash
the service via a specially crafted packet sent to TCP port 1975.

3) An integer overflow error in SCADA.exe when processing certain
packets can be exploited to cause a crash via a specially crafted
datagram sent to UDP port 1974.

4) An error in SCADA.exe when processing certain packets can be
exploited to cause a crash via a specially crafted datagram sent to
UDP port 1974.

The vulnerabilities are confirmed in version 3.2. Other versions may
also be affected.

SOLUTION:
Restrict access to trusted hosts only.

PROVIDED AND/OR DISCOVERED BY:
Luigi Auriemma

ORIGINAL ADVISORY:
http://aluigi.org/adv/xarrow_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/

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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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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
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