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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.2629 libssh security update 3 August 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libssh Publisher: Debian Operating System: Debian GNU/Linux 9 UNIX variants (UNIX, Linux, OSX) Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-16135 Original Bulletin: https://lists.debian.org/debian-lts-announce/2020/07/msg00034.html Comment: This advisory references vulnerabilities in products which run on platforms other than Debian. It is recommended that administrators running libssh check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - - ------------------------------------------------------------------------- Debian LTS Advisory DLA-2303-1 debian-lts@lists.debian.org https://www.debian.org/lts/security/ Markus Koschany July 31, 2020 https://wiki.debian.org/LTS - - ------------------------------------------------------------------------- Package : libssh Version : 0.7.3-2+deb9u3 CVE ID : CVE-2020-16135 The code in src/sftpserver.c did not verify the validity of certain pointers and expected them to be valid. A NULL pointer dereference could have been occurred that typically causes a crash and thus a denial-of-service. For Debian 9 stretch, this problem has been fixed in version 0.7.3-2+deb9u3. We recommend that you upgrade your libssh packages. For the detailed security status of libssh please refer to its security tracker page at: https://security-tracker.debian.org/tracker/libssh Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS - -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEErPPQiO8y7e9qGoNf2a0UuVE7UeQFAl8kp6VfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEFD RjNEMDg4RUYzMkVERUY2QTFBODM1RkQ5QUQxNEI5NTEzQjUxRTQACgkQ2a0UuVE7 UeSlFxAAv+LnIaX/joydb+e6EmWjyVIuyMmbezLgdfi4Eio9dWD9bgPQ7pU1Ppal 08GShiagtic+M2v6n5eaN7Q00L5gCnYgfseDC/3t+NjrbtEA7YmzQo/6YTigH8Ld iVsfqVBqfQO1wR+61bSbYPh/EFaZT9WvbpZxnZQsab5roS5kTSq7ivqOLnO7UIhz gWGls8wGj5/8v6A5LaJSYRT/0rsZHEVqJW/bH2TUPE7N5wH+zmA7vpjBTK1NyjRi 5ZmDxZwd9I2YTjOEu3ySkHoXMG7Bd04yqFRNfOqOR8FZ5I+Qgai6RcqDUXrzJEy8 qbqdmHqHDwXtvs+uYLZLyGyrvtZ6oFPbIZun2cZo7lENG18kCe3Z7bN4x7RNAxdd 5D2trJhnRIcBHPyJgPF+eQUjmosBzggIzypDVmYrzl8lpkQpUWm/upxpf4+NxAP+ Ck8y7vl5O9TjtaCromlQvgb9ebEb8pQogAq6q5UBjMDPQF6UQdQdg5nnJUQzQqrp W49VXkV6nayeonsQg90c55ppjfU9fAilX6En8feJR04y+g4U37emE5YNi6mnTscw RZ5DqsTZn6Ul85i4HPrRVs0kNpj9tf50ZpB4zx+Pr9C38WAdjpsnep1KkTYV4gC/ Io3NPSx2NqLJcQgv2amESyQOaaWZd66lfRrkyquUjc4+V74lqS0= =hVRa - -----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: 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). 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