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370702
2010 Feb 27
2
Possible CPU Denial-Of-Service attack to dovecot IMAP.
Hi All!
Some time ago, we received e-mail message, which makes our server CPU
exhaustion attack.
---
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
26319 5751796 20 0 2868 1868 1484 R 99.2 0.1 22:04.77 imap
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It happens when I try open mail folder with this buggy message.
Our setup:
-- slackware 11.0, x86_32
-- linux 2.6.31.6
-- dovecot 1.2.10
-- mailbox(not