Date: Wed, 17 Dec 2008 19:30:10 +0100 From: Nico Golde <oss-security+ml@...lde.de> To: oss-security@...ts.openwall.com Cc: Nico Golde <oss-security+ml@...lde.de>, Steffen Joeris <steffen.joeris@...lelinux.de>, "Steven M. Christey" <coley@...us.mitre.org> Subject: Re: CVE id request: php-xajax Hi, * Steven M. Christey <coley@...us.mitre.org> [2008-12-17 19:28]: > On Wed, 17 Dec 2008, Nico Golde wrote: > > > > Afaik you can use & to specify values like ../foo.php&value=bar > > > Thus the patch looked incomplete to me and should be extended to escape & as > > > well. > > > > I see no problem with specifying GET variables here unless > > this is some kind of CSRF which I don't see in this case. > > If there's CSRF then that would be a separate issue. > > If ";" is also allowed then there might be some possibilities for odd > entity encodings, but I don't know if that would translate directly into > XSS. A simple, likely-incorrect example might be "<" which would > decode into "<" but the browser would treat it as a literal "<" instead of > the start of a tag. Yes but this would be a bug, no security issue by itself. Cheers Nico -- Nico Golde - http://www.ngolde.de - nion@...ber.ccc.de - GPG: 0x73647CFF For security reasons, all text in this mail is double-rot13 encrypted. Content of type "application/pgp-signature" skipped
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