Date: Mon, 23 Jul 2012 01:13:44 -0600 From: Kurt Seifried <kseifried@...hat.com> To: oss-security@...ts.openwall.com CC: David Jorm <djorm@...hat.com> Subject: Re: CVE for JBOSS EAP 5.0(twiddle and jmx invocations) ? -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 07/22/2012 11:35 PM, David Jorm wrote: > On 07/21/2012 02:12 AM, yersinia wrote: >> Following this apparently RFE on JBOSS >> https://issues.jboss.org/browse/JBPAPP-3391?_sscc=t i have found >> a nice description, and an proposed patch, about it here >> http://objectopia.com/2009/10/01/securing-jmx-invoker-layer-in-jboss/. >> >> >> But the last link describe - apparently - a serious bug in the JBoss JMX >> Invoker Layer, a missing authentication that can produce a >> serious problem. Reading the other response i don't think there >> is today the possibility to enforce a true mitigation in JBOSS, >> apart putting in place some form a network control (aka a >> firewall). This is for JBOSS 5.0, i know that twiddle is no >> longer in JBoss EAP 6.0 which provides a totally new, much >> improved, secure and scriptable management interface. >> >> Do you think this can require a CVE for JBOSS EAP 5? >> >> Thanks in advance >> > > Thanks for bringing this up. As I see it, there's two issues here: > > 1) twiddle.sh accepting credentials as command-line arguments, > meaning they could be exposed to another local user via a process > listing (JBPAPP-3391) > > This issue affects JBoss AS 5 and EAP 5, but as you noted not AS 7 > or EAP 6. It is my opinion that this is indeed a low impact > security flaw, and a candidate for a CVE ID. I would give it the > following CVSSv2 score: 2.1/AV:L/AC:L/Au:N/C:P/I:N/A:N. Kurt, can > you please assign a CVE ID for this flaw? Please use CVE-2009-5066 for this issue. > 2) AuthenticationInterceptor in jmx-invoker-service.xml is > commented out by default, allowing unauthenticated access to the > JMX Invoker > > This issue only affects JBoss AS community releases, not EAP or > other supported JBoss products. The JBoss AS community releases > prior to AS 7 opted for open by default configuration rather than > secure by default configuration. AS 7 and all supported JBoss > products have secure defaults applied. It is my opinion that this > is a configuration and documentation issue rather than a security > issue. Documentation for securing the invokers on JBoss AS > community releases is available here: > > https://community.jboss.org/wiki/SecureTheInvokers Agreed, configuration issue. > Thanks -- David Jorm / Red Hat Security Response Team - -- Kurt Seifried Red Hat Security Response Team (SRT) PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQIcBAEBAgAGBQJQDPmoAAoJEBYNRVNeJnmTxyEQANq7tUSCZgIgnVte30YAAj+n RI0IPImWIVrsTh+/bEubpl21XtZ50PuXLB3LOO6ATK9IeOcEaloh0oHi5uS2T4Ro ZdKYDVQJme6BBle3nxzYefi+Dy5JM3QsRtTpU1CxnJyl+hIBPq+CNLTdqrmFHm1i oPneeOkL5UJjuyl8MxjQeFwwcLp1G/d1BvkfZNXcxdwb5i2jqP//9BH88yBSzTuZ 9lpJzJzlRJFhuCixjVgm2nui7wgAR4Wlr0QwclS0BkArEhXDjMDc667Ptg5srILb DUOGs0/uRsRHe5fcy+RYWi5u5ILEaxAVn4bkgd+06vR1kV3V9cfcxTUVe0ndCj/x wN1jlOT2umPNF78u0LjDhUQgX8I4DAafbyn2bXzagR4Kbwb8CmOslAzfTX/FYw0C cTbpSmJlCw8NbULvUM8MzHfC8GCvTJxnqjvXwtNtFLsuDWWMJh4klEeEZ8gLAhmB 89p2JiZRw8sC/z3P0o3XP9FGLL9a9C2vfcUyN05ndmRKJQa9Z6Ry8xJOFVhZdpyV 6U1/VMmWzaIlxVYn50ypEXQuawVTB2I0hlC/QabYpe+00IZFMzsG7DA2aHD/aWwH TcoualpRWbiNzIhby7uXWL45yoMZ5Q+/wmk5y1ODavm/9ZaJ3sUjgReAGl//czCv nfYABN4h/P8MoUMZbHk6 =zBZB -----END PGP SIGNATURE-----
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