Re: [ GLSA 200508-14 ] TikiWiki, eGroupWare: Arbitrary command execution through XML-RPC

Anyone knows if this vulnerability can be avoided by unchecking the
'XMLRPC API' option form the user features options,

Thanks in advance.

Gonzalo

On 8/24/05, Thierry Carrez <koon@gentoo.org> wrote:
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> Gentoo Linux Security Advisory                           GLSA 200508-14
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>                                            http://security.gentoo.org/
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>
>  Severity: High
>     Title: TikiWiki, eGroupWare: Arbitrary command execution through
>            XML-RPC
>      Date: August 24, 2005
>      Bugs: #102374, #102377
>        ID: 200508-14
>
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>
> Synopsis
> ========
>
> TikiWiki and eGroupWare both include PHP XML-RPC code vulnerable to
> arbitrary command execution.
>
> Background
> ==========
>
> TikiWiki is a full featured Free Software Wiki, CMS and Groupware
> written in PHP. eGroupWare is a web-based collaboration software suite.
> Both TikiWiki and eGroupWare include a PHP library to handle XML-RPC
> requests.
>
> Affected packages
> =================
>
>    -------------------------------------------------------------------
>     Package              /   Vulnerable   /                Unaffected
>    -------------------------------------------------------------------
>  1  www-apps/tikiwiki        < 1.8.5-r2                   >= 1.8.5-r2
>  2  www-apps/egroupware      < 1.0.0.009                 >= 1.0.0.009
>    -------------------------------------------------------------------
>     2 affected packages on all of their supported architectures.
>    -------------------------------------------------------------------
>
> Description
> ===========
>
> The XML-RPC library shipped in TikiWiki and eGroupWare improperly
> handles XML-RPC requests and responses with malformed nested tags.
>
> Impact
> ======
>
> A remote attacker could exploit this vulnerability to inject arbitrary
> PHP script code into eval() statements by sending a specially crafted
> XML document to TikiWiki or eGroupWare.
>
> Workaround
> ==========
>
> There is no known workaround at this time.
>
> Resolution
> ==========
>
> All TikiWiki users should upgrade to the latest version:
>
>    # emerge --sync
>    # emerge --ask --oneshot --verbose ">=www-apps/tikiwiki-1.8.5-r2"
>
> All eGroupWare users should upgrade to the latest version:
>
>    # emerge --sync
>    # emerge --ask --oneshot --verbose ">=www-apps/egroupware-1.0.0.009"
>
> References
> ==========
>
>  [ 1 ] CAN-2005-2498
>        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2498
>
> Availability
> ============
>
> This GLSA and any updates to it are available for viewing at
> the Gentoo Security Website:
>
>  http://security.gentoo.org/glsa/glsa-200508-14.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@gentoo.org or alternatively, you may file a bug at
> http://bugs.gentoo.org.
>
> License
> =======
>
> Copyright 2005 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/2.0