Malformed header causing SIGSEGV?

Ray Rocker rocker at datasync.com
Fri Nov 19 01:51:34 UTC 1999


Hi,

I am running inn-1.7.2+insync under Linux. Yesterday, my innd started
 dying with a SIGSEGV every time a particular article was fed to it. 
The feed is coming from a transit server running diablo. Here are the 
headers of that article:

-- begin --
Path: newsfeed.ametro.net!nntp-out.monmouth.com!newspeer.monmouth.com!newsfeed.icl.net!newsfeed1.news.nl.uu.net!sun4nl!uunet!ams.uu.net!ffx.uu.net!newsfeed.attap.net!infeed.jaring.my!wang!michael
From: michael at wang.pc.my (michael)
Newsgroups: soc.culture.malaysia
Subject: Re: BN is the Future
Distribution: ,
Message-ID: <942925094.1792snx at wang.pc.my>
References: <3832ca65.8704867 at nntp.jaring.my>
Date: Thu, 18 Nov 99 11:38:14 GMT
Organization: Penang, Malaysia
Lines: 303
-- end --

Notice the malformed Distribution header. Could parsing of it be
the problem?

Also note that I do have a list of acceptable distributions in
the ME newsfeeds entry so innd would want to work with the
Distribution header in my case.

I realize inn-1.7.2 is probably no longer supported, but since I 
saw a post in news.software.nntp today from an inn-2.2 user who
reported a similar problem, I thought it might be worth mentioning.
If this is a bug in innd, it could be used as a nasty DOS attack.

Regards,

-- 
Ray Rocker
rocker at datasync.com


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