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Secunia Security Advisory 42767

Secunia Security Advisory 42767
Posted Jan 3, 2011
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been discovered in Wireshark, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise a vulnerable system.

tags | advisory, denial of service
SHA-256 | 26bfdd7277465a070a3edd7ccdac6bda477f51738cfc7bfbfdde18fcd75599b0

Secunia Security Advisory 42767

Change Mirror Download
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Request a free trial:
http://secunia.com/products/corporate/vim/


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TITLE:
Wireshark ENTTEC Dissector Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA42767

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/42767/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42767

RELEASE DATE:
2011-01-04

DISCUSS ADVISORY:
http://secunia.com/advisories/42767/#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/42767/

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=42767

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 vulnerability has been discovered in Wireshark, which can be
exploited by malicious people to cause a DoS (Denial of Service) or
potentially compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the
"dissect_enttec_dmx_data()" function
(epan/dissectors/packet-enttec.c) when processing RLE Compressed DMX
data of the ENTTEC protocol. This can be exploited to cause a buffer
overflow via a specially crafted packet sent to UDP port 3333.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is confirmed in version 1.4.2. Other versions may
also be affected.

SOLUTION:
Fixed in the SVN repository.

PROVIDED AND/OR DISCOVERED BY:
Reported by non-customers in a Wireshark bug report.

ORIGINAL ADVISORY:
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5539

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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

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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