Mail in Mac OS X before 10.3, when configured to use MD5 Challenge Response, uses plaintext authentication if the CRAM-MD5 hashed login fails, which could allow remote attackers to gain privileges by sniffing the password.
Link | Tags |
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http://lists.apple.com/mhonarc/security-announce/msg00038.html | |
http://docs.info.apple.com/article.html?artnum=61798 | patch vendor advisory |