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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0273.3 rssh security update 25 February 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: rssh Publisher: Debian Operating System: Debian GNU/Linux 9 Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-1000018 Reference: ESB-2019.0270 Original Bulletin: http://www.debian.org/security/2019/dsa-4377 Revision History: February 25 2019: Updated with information from DSA-4377-3 February 12 2019: Updated packages to resolve regression bug introduced in 4377-1 January 31 2019: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- - - ------------------------------------------------------------------------- Debian Security Advisory DSA-4377-1 security@debian.org https://www.debian.org/security/ Moritz Muehlenhoff January 30, 2019 https://www.debian.org/security/faq - - ------------------------------------------------------------------------- Package : rssh CVE ID : CVE-2019-1000018 Debian Bug : 919623 The ESnet security team discovered a vulnerability in rssh, a restricted shell that allows users to perform only scp, sftp, cvs, svnserve (Subversion), rdist and/or rsync operations. Missing validation in the scp support could result in the bypass of this restriction, allowing the execution of arbitrary shell commands. Please note that with the update applied, the "-3" option of scp can no longer be used. For the stable distribution (stretch), this problem has been fixed in version 2.3.4-5+deb9u1. We recommend that you upgrade your rssh packages. For the detailed security status of rssh please refer to its security tracker page at: https://security-tracker.debian.org/tracker/rssh Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ - ------------------------------------------------------------------------------- - - ------------------------------------------------------------------------- Debian Security Advisory DSA-4377-2 security@debian.org https://www.debian.org/security/ Salvatore Bonaccorso February 11, 2019 https://www.debian.org/security/faq - - ------------------------------------------------------------------------- Package : rssh Debian Bug : 921655 The update for rssh issued as DSA 4377-1 introduced a regression that blocked scp of multiple files from a server using rssh. Updated packages are now available to correct this issue. For the stable distribution (stretch), this problem has been fixed in version 2.3.4-5+deb9u3. We recommend that you upgrade your rssh packages. For the detailed security status of rssh please refer to its security tracker page at: https://security-tracker.debian.org/tracker/rssh Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ - ------------------------------------------------------------------------------- - - - ------------------------------------------------------------------------- Debian Security Advisory DSA-4377-3 security@debian.org https://www.debian.org/security/ Moritz Muehlenhoff February 22, 2019 https://www.debian.org/security/faq - - - ------------------------------------------------------------------------- Package : rssh CVE ID : CVE-2019-1000018 Debian Bug : 919623 The restrictions introduced in the security fix to address CVE-2019-1000018 also disallowed the -pf and -pt options which are used by the scp support in libssh2. This update restores support for those. For the stable distribution (stretch), this problem has been fixed in version 2.3.4-5+deb9u4. We recommend that you upgrade your rssh packages. For the detailed security status of rssh please refer to its security tracker page at: https://security-tracker.debian.org/tracker/rssh Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ - --------------------------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: https://www.auscert.org.au/bulletins/ =========================================================================== 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 iQIVAwUBXHNNNWaOgq3Tt24GAQgEJhAAmY90BNkFhOCPCBLYg9c4I9H6ZBU8PgzS nZbr8UdQV20C0cJ/NpqOkJMGewYZ+zKvsSYm6sEwsGbnHSxAC3ilXxBB3S4BZ40o ql3cS8sgBBITIFja+VXdkR5XzYjyXijXDUHpVQeVtlKB8GH/8xRtYnFBwbb/3Ro7 kH7Yj2M1XZnj6Ff9GQcMpabcABh+LBokAY6civl9G0y8g1gXyhxapPJS8Y1MxO4u gWpGVOh7iyyleZhJ4EPDtR85/p2Ki0xecivtD4NsV5JI8xZTTAhCoi/MkGjJEi+e dUrs9yqC8QyzZsNA7bkPL/hLymY9cE/nWpgIfXIFKtZOosrAbMDLGrAbMp9z3rAQ hG2agUSzn8KDnhIsDL8WOf40sxOizKXTYl3EXqsb/6Se9ScfJ8tcq+omy+fvfn5V nMM2fgE8YsBivwv+X5VxPMqMC+3r3A+zwj3RDB0POlKzYVHGI/BlQ6IwXivCTdWl mKt3DgKL7ER9gslsyqaqQ4WbYiWHOaTXAjEXqnE+ag8jbRBCWhDAaI+cBK1w003H xwBkGKMcY7+UVsVy0GSvKcZEfEu9UoAGQyByP0ePTAURbjlMIMbR1pyGtF3n4zeH iRzXJeJ6PsBn1Pd5sJbeVKAoDEaqWVBWvInNLprIpSMoRXysZMbavIejeqM/em1n o4swg//RDOs= =1sI3 -----END PGP SIGNATURE-----