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Date: Mon, 28 Jan 2013 23:37:50 -0700
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: Moritz Naumann <security@...itz-naumann.com>
Subject: Re: CVE Request: XSS in Elgg 1.8.12, 1.7.16 (core
 module "Twitter widget")

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On 01/28/2013 05:15 PM, Moritz Naumann wrote:
> Hi,
> 
> Elgg [1], versions 1.8.12 and 1.7.16 and earlier, bears a
> persistent script injection vulnerability in its core module
> "Twitter widget", which allows for XSS attacks.
> 
> On installations which have the Twitter widget activated (disabled
> by default, but in use on many installations), any authenticated
> user may add the Twitter widget to their activity / dashboard page.
> Editing its configuration allows the user to set the
> twitter_username parameter. The value stored in this parameter will
> be echoed without sanitation [2] when the users' activity /
> dashboard page is requested (by the same or any other user,
> authenticated or not).
> 
> According to changes committed [3] to their Git repository Elgg 
> developers will provide a fix for this issue in the upcoming (?)
> 1.8.13 release.
> 
> Reported by: Moritz Naumann http://moritz-naumann.com
> 
> A CVE ID has, to my knowledge, not yet been assigned. Secunia has 
> assigned it SA52007.
> 
> A slightly more complete advisory should hit FD and Bugtraq any
> minute.
> 
> Thanks,
> 
> Moritz
> 
> [1] http://elgg.org/ [2] 
> http://github.com/Elgg/Elgg/commit/a74a88501c41e89c8bcd7fc650ae2f8cc0a5003d#L2L21
>
> 
[3]
> http://github.com/Elgg/Elgg/commit/19dc507c2fccb378be2a44a762edf6c1e7afa334#L0R11

Please
> 
use CVE-2013-0234  for this issue.

- -- 
Kurt Seifried Red Hat Security Response Team (SRT)
PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993

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