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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.4837 USN-5645-1: PostgreSQL vulnerabilities 29 September 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: PostgreSQL Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2021-32027 CVE-2021-23214 Original Bulletin: https://ubuntu.com/security/notices/USN-5645-1 Comment: CVSS (Max): 8.8 CVE-2021-32027 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) CVSS Source: NVD Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5645-1: PostgreSQL vulnerabilities 28 September 2022 Several security issues were fixed in PostgreSQL. Releases o Ubuntu 16.04 ESM Packages o postgresql-9.5 - Object-relational SQL database Details Jacob Champion discovered that PostgreSQL incorrectly handled SSL certificate verification and encryption. A remote attacker could possibly use this issue to inject arbitrary SQL queries when a connection is first established. ( CVE-2021-23214 ) Tom Lane discovered that PostgreSQL incorrect handled certain array subscripting calculations. An authenticated attacker could possibly use this issue to overwrite server memory and escalate privileges. ( CVE-2021-32027 ) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 o postgresql-9.5 - 9.5.25-0ubuntu0.16.04.1+esm1 Available with UA Infra or UA Desktop In general, a standard system update will make all the necessary changes. References o CVE-2021-23214 o CVE-2021-32027 Related notices o USN-5145-1 : postgresql-doc-12, libpq-dev, postgresql-plperl-12, postgresql-doc-10, libecpg6, postgresql-pltcl-10, postgresql-server-dev-12, libecpg-compat3, libecpg-dev, postgresql-plpython3-12, postgresql-pltcl-12, postgresql-12, postgresql-server-dev-10, libpgtypes3, postgresql-plperl-10, postgresql-doc-13, postgresql-pltcl-13, postgresql-10, postgresql-plpython-10, postgresql-client-12, libpq5, postgresql-plpython3-13, postgresql-13, postgresql-client-10, postgresql-client-13, postgresql-plpython3-10, postgresql-plperl-13, postgresql-server-dev-13 o USN-4972-1 : postgresql-doc-12, libpq-dev, postgresql-plperl-12, postgresql-doc-10, libecpg6, postgresql-pltcl-10, postgresql-server-dev-12, libecpg-compat3, libecpg-dev, postgresql-plpython3-12, postgresql-pltcl-12, postgresql-12, postgresql-server-dev-10, libpgtypes3, postgresql-plperl-10, postgresql-doc-13, postgresql-pltcl-13, postgresql-10, postgresql-plpython-10, postgresql-client-12, libpq5, postgresql-plpython3-13, postgresql-13, postgresql-client-10, postgresql-client-13, postgresql-plpython3-10, postgresql-plperl-13, postgresql-server-dev-13 - --------------------------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: https://auscert.org.au/gpg-key/ iQIVAwUBYzUIf8kNZI30y1K9AQie/RAAmJ11YEkV/KTuSu6HXHmhq/aWdOk3usgq R2On4hmCw2qH6dZ+5K6qaQXhq/HgBUC64L6iL8nPbgpxwPJ5Uv4r4XqEK0DChiPA /cbVBfOSRriQTbWPqefArfjoybr73Z88IBg2Wiy/TScTBoFCbIJzzIonoJKir571 GspioVBbnC1Wgre/uD9h3G6V+YJ195IEC2Mpa1UKNmIeY7bCsK7b5YZGWTsFqDwp vagKyS6aOvkFRUlP1iCAUPyD/VnxAds7TxyiRTp89lvglEf5AlQLawNkME7a8rUC X5tpkKQJdwM6vH7vZPXHvLGWSq/80Kz0SXdU/Y2CQh9LdGtNqOfhEkCWLQo7UzM0 R9evdJlwIwYsAdLk1r1Nlq+nH7RiYc65WWBVUSnGFRxIYbu/JxlUYa5F+edTOcV+ EqV702p4Mds69e+whK1fAderv896FANm6gCpQNeOpP+65sieWFFkybHO0e6vkwtu HCxQDmDaOtUnwY71jJ3qQW5CeRV/K+GFzNfjEkdM7ofOzsdVD+sJzDiUhe+5qW0A uSKMu/pzrGeD/tt+IqGTN7taVNPJHiO8jWbrBRX3S4zkHxuqSrED1KzaT8ZJBgby La5vl/0Ilwj6kCQ7ve7ze8aMxWZ6G3Si9KqQvLyqscwW55Dys3Bdn7Ru3wgVyMvo fxFb8vZPOmg= =h/WW -----END PGP SIGNATURE-----