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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0293 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: https://www.debian.org/lts/security/2021/dla-2534 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - - ------------------------------------------------------------------------- Debian LTS Advisory DLA-2534-1 debian-lts@lists.debian.org https://www.debian.org/lts/security/ Salvatore Bonaccorso January 26, 2021 https://wiki.debian.org/LTS - - ------------------------------------------------------------------------- Package : sudo Version : 1.8.19p1-2.1+deb9u3 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 Debian 9 stretch, this problem has been fixed in version 1.8.19p1-2.1+deb9u3. 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 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----- iQKTBAEBCgB9FiEERkRAmAjBceBVMd3uBUy48xNDz0QFAmAQW4dfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldDQ2 NDQ0MDk4MDhDMTcxRTA1NTMxRERFRTA1NENCOEYzMTM0M0NGNDQACgkQBUy48xND z0SO5g/+L9dHxCwiDAPV1T4wYOdfafN71qg5s4ZpSl7wqVSfpx83um5ka/gZ7nCe MmsjXVN92Wx97wM2YncUYQ9/nxCWsh1SOXWUZJWgWJKMQlOpjVwN1UAuQIKSJUcF QvdcdFikSrhYspgp1qBTngJbLNmTjvnTAL+UPtMsrcUEPcw/EKtVuEbKAkWJPxZT Wgs8WC9v8JW6rCUg1YHhRjk10d9HXTU5DiEQLmpPiVrAODmy6OzY5QjEuCSFbKEA h9kq0CzVuworTtapeb+ftChtQponxkOXXte9foXj8JVsbLIuoknb08fIpwtDF7In qjoV+DGE9y+MoFkvX7TRtXvacNyvE9m9IVskeNfQYsRc1FulANevlx56UG2r5o+M 6yPggqmQgTM6/8+sPONRL5/XRgGA+7Cw/98/5mStR7QgvH3CfMmmt9Ij6J3d4/tE avuH0T/MatjA5Wt06fUvdusg5WczqUeIL4eNfwMGlwWBQr5Z6YVgOUucLjauRj+o LxBgqOxdWUhZ7UKDkwqeJOHCuGfLXJzhm9Qu/o8IZC0PqCWKBhNJhyvqDNix9ReW 73XaluW2VRTG4Y8bbxVy854EK/knZgG/RW1ppwLhmXu7nA5dCym3ppcMBxhrhbtr kdbA6IxpQHVlBtHtnD2fx5dt1elmn94C71NPzweqY/hHufLMg9A= =o4JS - -----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 iQIVAwUBYBDbiONLKJtyKPYoAQgtXw/9EmOQak91zdiZ6kcWahJZk6nzwX13Cziq o2SgVDLCdmkzSdm0NP0zG9s3x8sCoimvVUTAxsCIG9k7hyTX1agXRsnxdCRjbaTN 61VuEhqrGOWa/QwlF7tKtYgkeFZIRnM6NCMCldCctctT2Oi9quUQDFtfhjUvFk7r 2TMTY+8onYkqBFPvtjC9jVf653UjwbTB1xc5deEfYDHlxHalXkguqj2eTWG3yYVK 5CXuqPJdbtYoV5FwWwItF+sVooGLkXmBRm59jGg+mQITBCSX4dYx45MuRb4hyFYG DRVaqVEJKKCjsP7DI5LaI2+k5J7wsFVTaVZbCk1Y4XTSbfjNsYvUGEWQC1JYV1ZS qAWMMnwI/pH7HP/xgInKfCEHySFIwxI4JCoz0BOZIkVAC4HjT6QV5q/IwxvIs7Xy M/SlDgtju3/RYryWPuWfX6shnz3oUbAiucj4sR8EGn1RI7QY1sH9kCCpmwICHwBZ KGgKxvq1M7ciYi8q4EK+r6hYxaTPAm3uCZynAVDHQ8zAAt8LQk11zkvFdEJtuc2y VmEAQtWAzQ1F1s4UrUHz8I3HTRrhW1Sjw8dq+85TYWCpigFnxG0/2UpWkt10nMdY Jt5YECgK5/eruGN7jVu43ZosU4FG6WBeOVB+tveBvnG9LBAaCIB0u46huMuH/Whm nkhLt7hNczo= =noaq -----END PGP SIGNATURE-----