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version 1.7.2.2 - fixed FD leak in accept() loop

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This commit is contained in:
Gerhard Rieger 2013-03-25 20:42:58 +01:00
parent 464d23a34f
commit 022f0a46e6
4 changed files with 73 additions and 3 deletions

10
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@ -1,4 +1,14 @@
####################### V 1.7.2.2:
security:
after refusing a client connection due to bad source address or source
port socat shutdown() the socket but did not close() it, resulting in
a file descriptor leak in the listening process, visible with lsof and
possibly resulting in EMFILE Too many open files. This issue could be
misused for a denial of service attack.
Full credits to Catalin Mitrofan for finding and reporting this issue.
####################### V 1.7.2.1:
security: