Comment 5 for bug 121374

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Yaroslav Halchenko (yarikoptic) wrote : Re: [Bug 121374] Re: Denial of service through log injection in fail2ban

checked the 0.7.6-3 -- indeed it had the bug....
but it was fixed later on so debian package is not shipped with it any
longer ;-)

On Wed, 12 Dec 2007, Yaroslav Halchenko wrote:

> I never said 'prior to 0.6'. I said that it is fixed in etch version
> which is 0.7.5-2, where failregex looks like

> failregex = (?:(?:Authentication failure|Failed [-/\w+]+) for(?: [iI](?:llegal|nvalid) user)?|[Ii](?:llegal|nvalid) user|ROOT LOGIN REFUSED) .*(?: from|FROM) <HOST>

> which is different from the reported in the bugreport against ubuntu package

> So please clarify what actual failregex in what versions of fail2ban
> shipped with ubuntu you have... and if they are different to corresponding ones
> in debian.

> On Wed, 12 Dec 2007, Jamie Strandboge wrote:

> > Yaroslav, your comment toward the end of the debian bug report says that
> > this is fixed in debian prior to 0.6, but here you say it is still
> > vulnerable. Since ubuntu uses debian source packages, I am confused by
> > your statements. Can you clarify?

> > ** Changed in: fail2ban (Ubuntu Edgy)
> > Status: Confirmed => Incomplete

> > ** Changed in: fail2ban (Ubuntu Dapper)
> > Status: Confirmed => Incomplete
--
Yaroslav Halchenko
Research Assistant, Psychology Department, Rutgers-Newark
Student Ph.D. @ CS Dept. NJIT
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