Sam Varshavchik wrote: > Tetsuo Handa writes: > > > Then, I think that my case ( /usr/lib/courier-imap/bin/imapd process > > crashes > > by > > memory corruption; valgrind reports off-by-a-few-bytes ) should be > > considered > > as a bug of courier-imap when a bogus 0xe3 is located at the tail of a mail > > address (e.g. <someb...@example.com\\xe3> ) within the header lines. > > > > I\'ll try to develop an example reproducer for bug reporting. > > You should try to capture the exact IMAP commands too. I cannot reproduce > your crash, at least with the current version of Courier-IMAP, with FETCH > (ENVELOPE), which would be the likely culprit.
I can reproduce the crash (both courier-imap-4.9.3 and courier-imap-4.12.0)
on CentOS 6.3 with below steps.
Regards.
$ rm -fR ~/Maildir/
$ /usr/lib/courier-imap/bin/maildirmake ~/Maildir
$ cat > ~/Maildir/new/00000000 << \"EOF\"
Return-Path: <r...@example.com>
Delivered-To: r...@example.com
Message-Id: <00000...@example.com>
From: r...@example.com
To: root <root@example.com_>, root <root@example.com_>, root
<root@example.com_>, root <root@example.com_>, root <root@example.com_>, root
<root@example.com_>, root <root@example.com_>, root <root@example.com_>, root
<root@example.com_>, root <root@example.com_>, root <root@example.com_>, root
<root@example.com_>, root <root@example.com_>, root <root@example.com_>, root
<root@example.com_>, root <root@example.com_>, root <root@example.com_>, root
<root@example.com_>, root <root@example.com_>, root <root@example.com_>, root
<root@example.com_>, root <root@example.com_>
Subject: test message
Content-Transfer-Encoding: 7bit
Content-Type: text/plain;
test message
EOF
$ LANG=C sed -i -e \'s/_/\'`echo -ne \'\\xe3\'`\'/g\' -- ~/Maildir/new/00000000
$ awk \' BEGIN { print \"1 select inbox\"; for (num = 2; num <= 1000; num++)
print num \" uid search header Return-Path <r...@example.com>\" }\' | valgrind
/usr/lib/courier-imap/bin/imapd ~/Maildir/
steps.txt
Description: Binary data
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