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Message-ID: <45B9E011.70703@gmail.com>
Date: Fri, 26 Jan 2007 12:03:45 +0100
From: endrazine <endrazine@...il.com>
To: full-disclosure@...ts.grok.org.uk
Subject: [Fwd: Re: [ GLSA 200701-18 ] xine-ui: Format
string vulnerabilities]
Hi list,
I couldn't get a confirmation from the author of this post.
GLSAs are very often the best source of detailed information
on a given vulnerability imho ; at least, They provide indications
on the type of vulnerability and the afected function name.
Too bad they're inacurate :/
Regards,
endrazine-
Message-ID: <45B70603.9010602@...il.com>
Date: Wed, 24 Jan 2007 08:08:51 +0100
From: endrazine <endrazine@...il.com>
User-Agent: Thunderbird 1.5.0.7 (X11/20061025)
MIME-Version: 1.0
To: Raphael Marichez <falco@...too.org>
Subject: Re: [Full-disclosure] [ GLSA 200701-18 ] xine-ui: Format
string vulnerabilities
References: <20070123220709.GB28520@...co.falcal.net>
In-Reply-To: <20070123220709.GB28520@...co.falcal.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 8bit
Hello Raphael,
I have an issue with this Glsa (wich is a really usefull service
between, thx) :
I think the affected syscall is xitk_window_dialog_error rather at line
128,231,357 in /src/xitk/errors.c
the "bad" thing is that errors_create_window exists but wasn't modified
at all...
see below...
$ diff ./xine-ui-0.99.4/src/xitk/errors.c
../../xine-ui-0.99.5_pre20060716/work/xine-ui-0.99.5_pre20060716/src/xitk/errors.c
20c20
< * $Id: errors.c,v 1.32 2005/02/07 18:16:28 miguelfreitas Exp $
---
> * $Id: errors.c,v 1.34 2006/07/15 08:46:50 dgp85 Exp $
71c71
< message);
---
> "%s", message);
113c113
< if(gGui->stdctl_enable) {
---
> if(gGui->stdctl_enable || !gGui->display) {
128c128
< xw = xitk_window_dialog_error(gGui->imlib_data, buf2);
---
> xw = xitk_window_dialog_error(gGui->imlib_data, "%s", buf2);
231c231
< xw = xitk_window_dialog_info(gGui->imlib_data, buf2);
---
> xw = xitk_window_dialog_info(gGui->imlib_data, "%s", buf2);
357c357
< message);
---
> "%s", message);
Regards,
endrazine-
Raphael Marichez a écrit :
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> Gentoo Linux Security Advisory GLSA 200701-18
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> http://security.gentoo.org/
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
>
> Severity: Normal
> Title: xine-ui: Format string vulnerabilities
> Date: January 23, 2007
> Bugs: #161558
> ID: 200701-18
>
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
>
> Synopsis
> ========
>
> xine-ui improperly handles format strings, possibly allowing for the
> execution of arbitrary code.
>
> Background
> ==========
>
> xine-ui is a skin-based user interface for xine. xine is a free
> multimedia player. It plays CDs, DVDs, and VCDs, and can also decode
> other common multimedia formats.
>
> Affected packages
> =================
>
> -------------------------------------------------------------------
> Package / Vulnerable / Unaffected
> -------------------------------------------------------------------
> 1 xine-ui < 0.99.5_pre20060716 >= 0.99.5_pre20060716
>
> Description
> ===========
>
> Due to the improper handling and use of format strings, the
> errors_create_window() function in errors.c does not safely write data
> to memory.
>
> Impact
> ======
>
> An attacker could entice a user to open a specially crafted media file
> with xine-ui, and possibly execute arbitrary code.
>
> Workaround
> ==========
>
> There is no known workaround at this time.
>
> Resolution
> ==========
>
> All xine-ui users should upgrade to the latest version:
>
> # emerge --sync
> # emerge --ask --oneshot --verbose ">=media-video/xine-ui-0.99.5_pre20060716"
>
> References
> ==========
>
> [ 1 ] CVE-2007-0254
> http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0254
>
> Availability
> ============
>
> This GLSA and any updates to it are available for viewing at
> the Gentoo Security Website:
>
> http://security.gentoo.org/glsa/glsa-200701-18.xml
>
> Concerns?
> =========
>
> Security is a primary focus of Gentoo Linux and ensuring the
> confidentiality and security of our users machines is of utmost
> importance to us. Any security concerns should be addressed to
> security@...too.org or alternatively, you may file a bug at
> http://bugs.gentoo.org.
>
> License
> =======
>
> Copyright 2007 Gentoo Foundation, Inc; referenced text
> belongs to its owner(s).
>
> The contents of this document are licensed under the
> Creative Commons - Attribution / Share Alike license.
>
> http://creativecommons.org/licenses/by-sa/2.5
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> Full-Disclosure - We believe in it.
> Charter: http://lists.grok.org.uk/full-disclosure-charter.html
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_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
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