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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.2570 libsndfile vulnerability 30 July 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libsndfile Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2021-3246 Reference: ESB-2021.2546 Original Bulletin: https://ubuntu.com/security/notices/USN-5025-1 https://ubuntu.com/security/notices/USN-5025-2 Comment: This bulletin contains two (2) Ubuntu security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5025-1: libsndfile vulnerability 29 July 2021 libsndfile could be made to crash or run programs as your login if it opened a specially crafted file. Releases o Ubuntu 21.04 o Ubuntu 20.04 LTS o Ubuntu 18.04 LTS Packages o libsndfile - Library for reading/writing audio files Details It was discovered that libsndfile incorrectly handled certain malformed files. A remote attacker could use this issue to cause libsndfile to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 21.04 o libsndfile1 - 1.0.31-1ubuntu1.1 o sndfile-programs - 1.0.31-1ubuntu1.1 Ubuntu 20.04 o libsndfile1 - 1.0.28-7ubuntu0.1 o sndfile-programs - 1.0.28-7ubuntu0.1 Ubuntu 18.04 o libsndfile1 - 1.0.28-4ubuntu0.18.04.2 o sndfile-programs - 1.0.28-4ubuntu0.18.04.2 After a standard system update you need to restart your session to make all the necessary changes. References o CVE-2021-3246 - -------------------------------------------------------------------------------- USN-5025-2: libsndfile vulnerability 29 July 2021 libsndfile could be made to crash or run programs as your login if it opened a specially crafted file. Releases o Ubuntu 16.04 ESM o Ubuntu 14.04 ESM Packages o libsndfile - Library for reading/writing audio files Details USN-5025-1 fixed a vulnerability in libsndfile. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that libsndfile incorrectly handled certain malformed files. A remote attacker could use this issue to cause libsndfile to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 o libsndfile1 - 1.0.25-10ubuntu0.16.04.3+esm1 Available with UA Infra or UA Desktop o sndfile-programs - 1.0.25-10ubuntu0.16.04.3+esm1 Available with UA Infra or UA Desktop Ubuntu 14.04 o libsndfile1 - 1.0.25-7ubuntu2.2+esm2 Available with UA Infra or UA Desktop o sndfile-programs - 1.0.25-7ubuntu2.2+esm2 Available with UA Infra or UA Desktop After a standard system update you need to restart your session to make all the necessary changes. References o CVE-2021-3246 Related notices o USN-5025-1 : sndfile-programs, libsndfile1, libsndfile, libsndfile1-dev - --------------------------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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