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=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2024.2480 samba security update 23 April 2024 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: samba Publisher: Debian Operating System: Debian GNU/Linux Resolution: Patch/Upgrade CVE Names: CVE-2022-3437 CVE-2022-2127 CVE-2022-32742 CVE-2023-4091 CVE-2020-14383 CVE-2020-14323 CVE-2020-14318 Original Bulletin: https://lists.debian.org/debian-lts-announce/2024/04/msg00015.html Comment: CVSS (Max): 6.5 CVE-2023-4091 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N) CVSS Source: NIST Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - --------------------------BEGIN INCLUDED TEXT-------------------- ------------------------------------------------------------------------- Debian LTS Advisory DLA-3792-1 debian-lts@lists.debian.org https://www.debian.org/lts/security/ Santiago Ruano Rincon April 22, 2024 https://wiki.debian.org/LTS ------------------------------------------------------------------------- Package : samba Version : 2:4.9.5+dfsg-5+deb10u5 CVE ID : CVE-2020-14318 CVE-2020-14323 CVE-2020-14383 CVE-2022-2127 CVE-2022-3437 CVE-2022-32742 CVE-2023-4091 Several vulnerabilities were discovered in Samba, SMB/CIFS file, print, and login server for Unix CVE-2020-14318 Missing handle permissions check in ChangeNotify CVE-2020-14323 Unprivileged user can crash winbind via invalid lookupsids DoS CVE-2020-14383 DNS server crash via invalid records resulting from uninitialized variables CVE-2022-2127 Out-of-bounds read in winbind AUTH_CRAP CVE-2022-3437 Heimdal des/des3 heap-based buffer overflow CVE-2022-32742 Server memory information leak via SMB1 CVE-2023-4091 Client can truncate files even with read-only permissions For Debian 10 buster, these problems have been fixed in version 2:4.9.5+dfsg-5+deb10u5. We recommend that you upgrade your samba packages. For the detailed security status of samba please refer to its security tracker page at: https://security-tracker.debian.org/tracker/samba 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 - --------------------------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. ===========================================================================