Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2012.1117 rssh security update 28 November 2012 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: rssh Publisher: Debian Operating System: Debian GNU/Linux 6 UNIX variants (UNIX, Linux, OSX) Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2012-2252 CVE-2012-2251 Original Bulletin: http://www.debian.org/security/2012/dsa-2578 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - - ------------------------------------------------------------------------- Debian Security Advisory DSA-2578-1 security@debian.org http://www.debian.org/security/ Yves-Alexis Perez November 28, 2012 http://www.debian.org/security/faq - - ------------------------------------------------------------------------- Package : rssh Vulnerability : insufficient filtering of rsync command line Problem type : remote Debian-specific: no CVE ID : CVE-2012-2251 CVE-2012-2252 Debian Bug : James Clawson discovered that rssh, a restricted shell for OpenSSH to be used with scp/sftp, rdist and cvs, was not correctly filtering command line options. This could be used to force the execution of a remote script and thus allow arbitrary command execution. Two CVE were assigned: CVE-2012-2251 Incorrect filtering of command line when using rsync protocol. It was for example possible to pass dangerous options after a "--" switch. The rsync protocol support has been added in a Debian (and Fedora/Red Hat) specific patch, so this vulnerability doesn't affect upstream. CVE-2012-2251 Incorrect filtering of the "--rsh" option: the filter preventing usage of the "--rsh=" option would not prevent passing "--rsh". This vulnerability affects upstream code. For the stable distribution (squeeze), this problem has been fixed in version 2.3.2-13squeeze2. For the testing distribution (wheezy), this problem has been fixed in version 2.3.3-6. For the unstable distribution (sid), this problem has been fixed in version 2.3.3-6. We recommend that you upgrade your rssh packages. Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: http://www.debian.org/security/ Mailing list: debian-security-announce@lists.debian.org - -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iQEcBAEBCgAGBQJQtUm5AAoJEG3bU/KmdcCl+mYH/i+Qu3RJaGkNZhz0JphBAMvT L2g1dbzNQOAePwvo69XIhNuAVAAqltV2N/GRvdlBORR7/W1NO9QOBodPwTkf4N9e enl9z9+Wxb9Z1NgRCkAjTd6rkdzxFPpAzTe4uF4WfUH306lbTDHZyR3KZgEFqOdS /16vbWoQ2QYz/hjIdlQI4GArBL+AZ5Fucq5oFqb5VcXv63Yi0U9qTliYH4iO/rzf CkDbm7cdD7bO7LbshEqC+Cz1khVDfIG/KakzByxoNgcvMCoyhE5v8QNp6qnCPf3U 2yZ+8X5rm3on0j6YUF7+qeBTcLSAinHY+6Qzq9r+T7/xa77N+NGWUmW18EkYup8= =Rfew - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBULVoS+4yVqjM2NGpAQLwIQ/+KnKLVnKT9mha4NIFdJ1b7+Zge7WasR6j GCdVAHcdjQPMhyiyc4yEOQsE+uCPmq4pBazeWkN0yl/B2Bs6oXaN0cSdJrmompaZ CEiFEAAGdpLl3i61N2oqCQwXj9IubWyhdtywxlOKF6XZhHBsRlIxqCm2gawwd0JQ VCvIOEGMuFl+Egwogw2iPFnquR/xPTOzxm1hgMbuBoiCCYzfVvhWrlskmzl/ut82 vpP5o2PNNWRmvHBnX+yKbinzShSpwIFdSvolN1IhvinmnIT7alUM3zWc0ZaCbzxY Af4tlrdjmkilADaO8R9CbEy5oYITx3RfBmO+0ZNXM5M/W99MIdIcm+abnf5vp/1p zODjapgxMMHzxNH3TNnmznvZJnuZ94DsVVWF/PpQQqfPOrjhkGi0kMgkCO98EgwX VTbSwDoafwVTp4aGIvoQMnHQnbtCNHGExdwyjoOJVlpYrdT9rKs1eyZ3rAWmUyiL wn+jF4iGl2UE4aQRmW2TMnwk50DXJv1zZPWVe8qNXydFRhVWD53oMkXeStGrgCyH nRe5okInjcn33uNNA9QtdG4RxAXUue+7j2iL18E1S6f5XgcB7lOdcAXC/jCaxTB8 7MhebAxgAC4u9j7arpi+5wr9+xzCx41az7EJaJPq1Jo4MkIzJXBa4lk/CE0MNLoY N3x4Sb8v690= =qAj9 -----END PGP SIGNATURE-----