From klaus.mailinglists@pernau.at Thu Oct 18 09:38:58 2007
From: Klaus Darilion <klaus.mailinglists@pernau.at>
To: sr-users@lists.kamailio.org
Subject: Re: [OpenSER-Users] sanitizing sip requests
Date: Thu, 18 Oct 2007 09:47:52 +0200
Message-ID: <47170FA8.3000409@pernau.at>
In-Reply-To: <471634B2.10408@employees.org>
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William Quan schrieb:
> Hi all,
> I came across a security alert that basically embeds javascript in the
> display name of the From to initiate cross-site-scripting (XSS) attacks.
> Here is an example:
>=20
> From: "<script>alert('hack')</script>""user"
> <sip:user at domain.com <https://lists.grok.org.uk/mailman/listinfo/full-di=
sclosure>>;tag=3D002a000c

Thats a cool attack. I fear there will be more smart attacks in the next=20
time.

klaus

> Grammatically , I don't see an issue with this. However, under the right
> circumstances this could get ugly.
> Do you see value in having openser take a proactive role to detect these
> and reject calls?  Or is this outside the scope of what a proxy should
> be doing (leave it to the UA to sanitize) ?
>=20
> Looking to get your thoughts-
> -will
>=20
> _______________________________________________
> Users mailing list
> Users(a)openser.org
> http://openser.org/cgi-bin/mailman/listinfo/users


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