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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0921 USN-4880-1: OpenJPEG vulnerabilities 17 March 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: OpenJPEG Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-27814 CVE-2020-27823 CVE-2020-27824 CVE-2020-27841 CVE-2020-27845 Reference: ESB-2021.0440 ESB-2021.0084 Original Bulletin: https://ubuntu.com/security/notices/USN-4880-1 - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4880-1: OpenJPEG vulnerabilities 16 March 2021 Several security issues were fixed in OpenJPEG. Releases o Ubuntu 16.04 LTS Packages o openjpeg2 - JPEG 2000 image compression/decompression library Details It was discovered that OpenJPEG incorrectly handled certain image data. An attacker could use this issue to cause OpenJPEG to crash, leading to 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 libopenjpip7 - 2.1.2-1.1+deb9u6build0.16.04.1 o libopenjp3d7 - 2.1.2-1.1+deb9u6build0.16.04.1 o libopenjp2-7 - 2.1.2-1.1+deb9u6build0.16.04.1 In general, a standard system update will make all the necessary changes. References o CVE-2020-27841 o CVE-2020-27824 o CVE-2020-27814 o CVE-2020-27823 o CVE-2020-27845 Related notices o USN-4685-1 : libopenjpip7, libopenjp3d7, libopenjp2-7, openjpeg2 o USN-4686-1 : ghostscript, libgs9 - --------------------------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 iQIVAwUBYFFTNuNLKJtyKPYoAQi2uBAAksBae9oRnoCOZEDvFCkAyG7uV1Tidehi mY2fhtl3h/J7+FzYs5XqgFj1s9mKitUaWkXAOkOnZkoLu4yxHkSrnn6nl/5Antg9 xC3nEwpsB+9e4m+Tc1bwyYLtSVNMVur8XDTjIDe2A1pww5oeDPkoXZE70wxU5hL4 OoDW3KToY5L9z0ZtB1J6WrNrpIXfZ+RhvNwS5E6+jyAYwMo03HT8xHMB+YaIRtdI i0OfpvSQEm2NV3qVxwO0E6pecAGNOjwY5SAi+FNvgZvG4zuD0v172MAIOHevA8tp SWfpm0Yp58YV/pUUZTcpLgO+BjGUvvpfYo50AVmdlGT9KfQoBezi/2NCyGHN4iAj Otb4TRudmVcrmQq/UPz8Y/7qR9SGXqyipr2uHCihUiGwTVi3eJRVrf26rwackvGq IrRuOCdSauMp19n0sMcLXXDMlFJDse1ARvbmqEt1bB5xde58IGCRbaEjnoeb0CM6 hDboiB0OADUIksJ7EvYz7KJ7xyHYvtJuCsESpBWyfj6UPBGOQ5Pfow28thpVbz7a 7cl84MYNvhXy8evpEKHx1RFi3914ZiKQ2NQjDY6AyIvKdcicp729bY9ZwBP6DsrT vVYql+KRrWfpz3hEikkrCC1FO+8TFah/B5biwqPLbCfle4t0Iu1f2ov0rK4KNSZO M5BTAg7REnI= =ky3S -----END PGP SIGNATURE-----