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Vulnerability Note VU#125156Ethereal contains multiple vulnerabilities in the UCP protocol dissectorOverviewEthereal contains multiple buffer overflows in the Universal Control Protocol (UCP) protocol dissector. These vulnerabilities could allow a remote, unauthenticated attacker to execute arbitrary code.I. DescriptionEthereal is a network traffic analysis package. It includes the ability to decode packets containing UCP data. There are three buffer overflow vulnerabilities in the way the UCP protocol dissector decodes packets containing UCP data. These vulnerabilities could be exploited by a remote, unauthenticated attacker by sending a specially crafted UCP packet containing an overly long string, integer, or time field value. Exploitation of these vulnerabilities could result in arbitrary code execution.According to the e-matters Security Advisory:
II. ImpactA remote, unauthenticated attacker could execute arbitrary code on the vulnerable system.III. SolutionUpgradeUpgrade to version 0.10.3 or later.
2) Deselect the UCP protocol dissector from the list (for Ethereal versions 0.10.x)
2) Disable the UCP protocol dissector from the list by unchecking its "Status" checkbox Systems Affected
References
Ethereal credits Stefan Esser for reporting this vulnerability. This document was written by Damon Morda.
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