Re: rdesktop seg fault possibly related to MS13-029
Henrik Andersson <[email protected]> Thu, 18 Apr 2013 09:30:42 +0200
| Newsgroups | gmane.network.rdesktop.devel |
|---|---|
| Message-ID | <[email protected]> |
This is a multi-part message in MIME format. --===============8021789526164843530== Content-Type: multipart/alternative; boundary="------------050400070609080105050201" This is a multi-part message in MIME format. --------------050400070609080105050201 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: quoted-printable Hi Brian, I was pretty sure that rdesktop would fallback to plain RDP connection=20 but that was not the case. I have pushed a fix to upstream for that.=20 Could you update and recompile rdesktop to verify the functionlity. Regards, Henrik Andersson On 04/18/2013 07:37 AM, Henrik Andersson wrote: > Hi Brian, > > This is due to the new NLA code of rdesktop, your server presents it=20 > can do TLS but you do not have a certificate assigned to the RDP-tcp=20 > connection which will make rdesktop fallback to use non TLS eg. plain=20 > RDP protocol. > > See following article how to configure a certificate for your server,=20 > http://support.microsoft.com/kb/895433, which applies on both 2003 and=20 > 2008. > > > Regards, > > Henrik Andersson > > > On 04/17/2013 11:24 PM, Brian D wrote: >> Well, it appears I get a different result with the latest from svn.. >> >> Autoselected keyboard map en-us >> Failed to connect, no valid authentication certificate on server. >> >> I did discover that I can get a successful connection dropping back=20 >> to RDP >> v4 (-4). >> >> Any thoughts to debug further? >> >> Thanks, >> Brian >> >> >> >> >> On Wed, Apr 17, 2013 at 2:17 AM, Henrik Andersson < >> [email protected]> wrote: >> >>> Hi Brian, >>> >>> What i can see is that ms13-029 issue is only related to the client a= nd >>> update should not >>> affect the terminal service. However judging by your backtrace that=20 >>> is a >>> problem that was >>> newly fixed in upstream commit r1701 and will be included in next >>> release of rdesktop. >>> >>> It would be nice if you could build rdesktop from upstream source and >>> verify that your issue >>> is solved with above mentioned commit. >>> >>> >>> Kind Regards, >>> >>> Henrik Andersson >>> >>> >> >> >> ----------------------------------------------------------------------= --------=20 >> >> Precog is a next-generation analytics platform capable of advanced >> analytics on semi-structured data. The platform includes APIs for=20 >> building >> apps and a phenomenal toolset for data science. Developers can use >> our toolset retry_without_neg =3D Truefor easy data analysis &=20 >> visualization. Get a free account! >> http://www2.precog.com/precogplatform/slashdotnewsletter >> >> >> _______________________________________________ >> rdesktop-devel mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/rdesktop-devel > > > > > -----------------------------------------------------------------------= ------- > Precog is a next-generation analytics platform capable of advanced > analytics on semi-structured data. The platform includes APIs for build= ing > apps and a phenomenal toolset for data science. Developers can use > our toolset for easy data analysis & visualization. Get a free account! > http://www2.precog.com/precogplatform/slashdotnewsletter > > > _______________________________________________ > rdesktop-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/rdesktop-devel --=20 --- Henrik Andersson Cendio AB http://cendio.com Teknikringen 8 http://twitter.com/ThinLinc 583 30 Link=F6ping http://facebook.com/ThinLinc Phone: +46-13-214600 http://plus.google.com/112509906846170010689 --------------050400070609080105050201 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable <html> <head> <meta content=3D"text/html; charset=3Dwindows-1252" http-equiv=3D"Content-Type"> </head> <body bgcolor=3D"#FFFFFF" text=3D"#000000"> <div class=3D"moz-cite-prefix">Hi Brian,<br> <br> I was pretty sure that rdesktop would fallback to plain RDP connection but that was not the case. I have pushed a fix to upstream for that. Could you update and recompile rdesktop to verify the functionlity.<br> <br> <br> Regards,<br> <br> Henrik Andersson<br> <br> On 04/18/2013 07:37 AM, Henrik Andersson wrote:<br> </div> <blockquote cite=3D"mid:[email protected]" type=3D"cite">Hi Brian, <br> <br> This is due to the new NLA code of rdesktop, your server presents it can do TLS but you do not have a certificate assigned to the RDP-tcp connection which will make rdesktop fallback to use non TLS eg. plain RDP protocol. <br> <br> See following article how to configure a certificate for your server, <a class=3D"moz-txt-link-freetext" href=3D"http://support.m= icrosoft.com/kb/895433">http://support.microsoft.com/kb/895433</a>, which= applies on both 2003 and 2008. <br> <br> <br> Regards, <br> <br> Henrik Andersson <br> <br> <br> On 04/17/2013 11:24 PM, Brian D wrote: <br> <blockquote type=3D"cite">Well, it appears I get a different result with the latest from svn.. <br> <br> Autoselected keyboard map en-us <br> Failed to connect, no valid authentication certificate on server. <br> <br> I did discover that I can get a successful connection dropping back to RDP <br> v4 (-4). <br> <br> Any thoughts to debug further? <br> <br> Thanks, <br> Brian <br> <br> <br> <br> <br> On Wed, Apr 17, 2013 at 2:17 AM, Henrik Andersson < <br> <a class=3D"moz-txt-link-abbreviated" href=3D"mailto:henrik.ander= [email protected]">[email protected]</a>> wrote: <br> <br> <blockquote type=3D"cite">Hi Brian, <br> <br> What i can see is that ms13-029 issue is only related to the client and <br> update should not <br> affect the terminal service. However judging by your backtrace that is a <br> problem that was <br> newly fixed in upstream commit r1701 and will be included in next <br> release of rdesktop. <br> <br> It would be nice if you could build rdesktop from upstream source and <br> verify that your issue <br> is solved with above mentioned commit. <br> <br> <br> Kind Regards, <br> <br> Henrik Andersson <br> <br> <br> </blockquote> <br> <br> -------------------------------------------------------------------------= ----- <br> Precog is a next-generation analytics platform capable of advanced <br> analytics on semi-structured data. The platform includes APIs for building <br> apps and a phenomenal toolset for data science. Developers can use <br> our toolset retry_without_neg =3D Truefor easy data analysis &= ; visualization. Get a free account! <br> <a class=3D"moz-txt-link-freetext" href=3D"http://www2.precog.com= /precogplatform/slashdotnewsletter">http://www2.precog.com/precogplatform= /slashdotnewsletter</a> <br> <br> <br> _______________________________________________ <br> rdesktop-devel mailing list <br> <a class=3D"moz-txt-link-abbreviated" href=3D"mailto:rdesktop-dev= [email protected]">[email protected]</a> <br> <a class=3D"moz-txt-link-freetext" href=3D"https://lists.sourcefo= rge.net/lists/listinfo/rdesktop-devel">https://lists.sourceforge.net/list= s/listinfo/rdesktop-devel</a> <br> </blockquote> <br> <br> <br> <fieldset class=3D"mimeAttachmentHeader"></fieldset> <br> <pre wrap=3D"">----------------------------------------------------= -------------------------- Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for buildin= g apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free accoun= t! <a class=3D"moz-txt-link-freetext" href=3D"http://www2.precog.com/precogp= latform/slashdotnewsletter">http://www2.precog.com/precogplatform/slashdo= tnewsletter</a></pre> <br> <fieldset class=3D"mimeAttachmentHeader"></fieldset> <br> <pre wrap=3D"">_______________________________________________ rdesktop-devel mailing list <a class=3D"moz-txt-link-abbreviated" href=3D"mailto:rdesktop-devel@lists= .sourceforge.net">[email protected]</a> <a class=3D"moz-txt-link-freetext" href=3D"https://lists.sourceforge.net/= lists/listinfo/rdesktop-devel">https://lists.sourceforge.net/lists/listin= fo/rdesktop-devel</a> </pre> </blockquote> <br> <br> <pre class=3D"moz-signature" cols=3D"72">--=20 --- Henrik Andersson Cendio AB <a class=3D"moz-txt-link-freetext" href=3D"http://cendio= .com">http://cendio.com</a> Teknikringen 8 <a class=3D"moz-txt-link-freetext" href=3D"http://t= witter.com/ThinLinc">http://twitter.com/ThinLinc</a> 583 30 Link=F6ping <a class=3D"moz-txt-link-freetext" href=3D"http://f= acebook.com/ThinLinc">http://facebook.com/ThinLinc</a> Phone: +46-13-214600 <a class=3D"moz-txt-link-freetext" href=3D"http:/= /plus.google.com/112509906846170010689">http://plus.google.com/1125099068= 46170010689</a></pre> </body> </html> --------------050400070609080105050201-- --===============8021789526164843530== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter --===============8021789526164843530== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ rdesktop-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/rdesktop-devel --===============8021789526164843530==--