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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0295 sudo security update 27 January 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: sudo Publisher: Debian Operating System: Debian GNU/Linux Impact/Access: Root Compromise -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-3156 Reference: ESB-2021.0287 ESB-2021.0281 Original Bulletin: http://www.debian.org/security/2021/dsa-4839 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - - ------------------------------------------------------------------------- Debian Security Advisory DSA-4839-1 security@debian.org https://www.debian.org/security/ Salvatore Bonaccorso January 26, 2021 https://www.debian.org/security/faq - - ------------------------------------------------------------------------- Package : sudo CVE ID : CVE-2021-3156 The Qualys Research Labs discovered a heap-based buffer overflow vulnerability in sudo, a program designed to provide limited super user privileges to specific users. Any local user (sudoers and non-sudoers) can exploit this flaw for root privilege escalation. For the stable distribution (buster), this problem has been fixed in version 1.8.27-1+deb10u3. We recommend that you upgrade your sudo packages. For the detailed security status of sudo please refer to its security tracker page at: https://security-tracker.debian.org/tracker/sudo 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/ Mailing list: debian-security-announce@lists.debian.org - -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEERkRAmAjBceBVMd3uBUy48xNDz0QFAmAQWctfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldDQ2 NDQ0MDk4MDhDMTcxRTA1NTMxRERFRTA1NENCOEYzMTM0M0NGNDQACgkQBUy48xND z0Qr2w/5AfAZMSbKestTzvm22w+T5yReGOd2jYXO2SzdqdkIzOVXJ83RrbogkiyK d1ie47Csw51M8L5eT/kf48vkABPqT9S0dlRI7rQ2xbIDWIUcDpnFNCSclSGjI+Sd HqtaQQbR+MdSjGtC8vc8RVEOEQcVvoXrqDPaEniWjA4uTV7Iqj0P3EpH1XolVlZv lw4ZZ+VdDolxhm1QWp/NiMKUlDpv5RLs6jW0oQAKP1RZqMIX44TSEHil/NEs6VeN u5AFUwo5iwYRCUbgi2mB0GxV4CRyb0IN26pGsltYJsReFL1vCMiO9drGMk/WhlqB NGKeF5rLsMKaJCkBEcMntDG1XtFhXuyak2O4atL7H8CwhBZ81Axe+aAynn7IB99B qx3GLfRNSVKHQHBHWEOxqILCS+xWmvL6/uB6xMaAh5CXxhEgs9BIEiPonccmkzQ9 xj6Uw/aWv9ZOUu+Rwmp+bG/V8DKaFKegaQAy0HnhOZ11ruJJB/YicTXSsbxoLSEt hbd0bYAOrZBqcysH8Ed+R2tGxtjoWIDLcv3uUqmttxgd8E5YpGGngaYBleGCnB0s X3JDyd1pvBu7H0vR5k2bVNgm4qQ27jHmeNKRSpvUZv50mRX8NQyv/rrROwkUsVdI 1EnlHYz0E4BUfb15ECWLfN9BM/MyPhkdKadIrrd+zJEwq+KVcHo= =d9gQ - -----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). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYBDbqONLKJtyKPYoAQhzJhAAihekzzLLRmppeQa56B85EvFEsJsaT95A u974c34LXDsRzPvX7rdXwZKA3v6sJE/vGDcnkSZoYlD2LGZbG0ey3h28LNtKyZYb ADrPJMq5j3tLkXgq+bL0+YZjKr9x+3Ca+hLa2haLamFwWTbsC6O8MQ+9DY02GqEr 38BEzn/ZVW2yTwEBeVfqazLP2b3J/fJymSibanaA2QVFBQ8E0ZZ+GpGaVMgnjmym lHlh2YIIA4psvmm8nRMNgBqhdyVWMhmkoKfmuGXdofCrSMjMLTGUpZzXS7lGMJa8 MRMn05qbN95EZcwis7QBo07ogONODsOQodIrpmfbxhHMWmcFBm3z+Ez5sFhGSent xHDHD+qaOt+BpOy3xNsO7ikWfjUhWVlBPxMT7EtR+lAcblAhuV6ieV+4o3CnfIy1 WGsOlbc2+DwymFEYINmBsVuE344DzhEkbnc2MC1JoGkoMrH9iHrPoPLVTljsg13D 4omC1QCrjI3Jt7SdJ6AtQBIvQBxmfjhvnjkUCBSKPSWKrORfUyP3ZmUcRXFyAx76 RarJwygkF/u1iVgGcwWzLvIASp1tlSNRbHjkSAWMb6ilEl+2ZPiOw9Bwose40nzg ZquHPpSk5/jaEGmdXvxmRtuGMgmoGqKPvqkRykJEf6Mm25xQ+UupxixM5HzT2div gdhFeASllAE= =iGTJ -----END PGP SIGNATURE-----