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Vulnerability Note VU#125776Multiple buffer overflows in Mozilla POP3 protocol handlerOverviewThere are multiple buffer overflow vulnerabilities in the Mozilla POP3 protocol handler that could allow a remote attacker to execute arbitrary code.I. DescriptionPost Office Protocol Version 3 (POP3) is a mail protocol that provides a means for retrieving email from a remote server. The Mozilla mail client supports the POP3 protocol. There are multiple vulnerabilities in a number of functions used by the Mozilla POP3 protocol handler. The vulnerable functions include: FreeMsgInfo(), GetXtndXlstMsgid(), GetUidlList(), and GetList(). When processing POP3 responses, a specially crafted response could trigger a buffer overflow condition.II. ImpactBy sending a specially crafted POP3 response to an affected client, a remote attacker could cause the client to crash or potentially execute arbitrary code. Exploitation of this vulnerability would require a user to connect to a malicious POP3 server.III. SolutionUpgradeUpgrade as specified by your vendor. This issue has been resolved in Mozilla 1.7.3, Firefox Preview Release, and Thunderbird 0.8.
References
This vulnerability was reported by Gael Delalleau. This document was written by Damon Morda.
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