oss-security - Re: CVE id request: php-xajax

Follow @Openwall on Twitter for new release announcements and other news

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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 "&lt;" 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

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.