gnuserv before 3.12, as shipped with XEmacs, does not properly check
the specified length of an X Windows MIT-MAGIC-COOKIE cookie, which
allows remote attackers to execute arbitrary commands via a buffer
overflow, or brute force authentication by using a short cookie
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
BUGTRAQ:20010202 Remote vulnerability in gnuserv/XEmacs
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