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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.4703 USN-5631-1: libjpeg-turbo vulnerabilities 23 September 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libjpeg-turbo Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2021-46822 CVE-2020-35538 CVE-2020-17541 CVE-2018-11813 Original Bulletin: https://ubuntu.com/security/notices/USN-5631-1 Comment: CVSS (Max): 8.8 CVE-2020-17541 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5631-1: libjpeg-turbo vulnerabilities 22 September 2022 Several security issues were fixed in libjpeg-turbo. Releases o Ubuntu 20.04 LTS o Ubuntu 18.04 LTS Packages o libjpeg-turbo - library for handling JPEG files Details It was discovered that libjpeg-turbo incorrectly handled certain EOF characters. An attacker could possibly use this issue to cause libjpeg-turbo to consume resource, leading to a denial of service. This issue only affected Ubuntu 18.04 LTS. ( CVE-2018-11813 ) It was discovered that libjpeg-turbo incorrectly handled certain malformed jpeg files. An attacker could possibly use this issue to cause libjpeg-turbo to crash, resulting in a denial of service. ( CVE-2020-17541 , CVE-2020-35538 ) It was discovered that libjpeg-turbo incorrectly handled certain malformed PPM files. An attacker could use this issue to cause libjpeg-turbo to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 20.04 LTS. ( CVE-2021-46822 ) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 o libturbojpeg - 2.0.3-0ubuntu1.20.04.3 o libjpeg-turbo8 - 2.0.3-0ubuntu1.20.04.3 Ubuntu 18.04 o libturbojpeg - 1.5.2-0ubuntu5.18.04.6 o libjpeg-turbo8 - 1.5.2-0ubuntu5.18.04.6 In general, a standard system update will make all the necessary changes. References o CVE-2020-35538 o CVE-2021-46822 o CVE-2020-17541 o CVE-2018-11813 Related notices o USN-5553-1 : libjpeg-turbo, libjpeg-turbo8-dev, libjpeg-turbo-progs, libjpeg-turbo-test, libturbojpeg, libjpeg-turbo8 o USN-5497-1 : libjpeg62, libjpeg62-dev, libjpeg6b - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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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: https://auscert.org.au/gpg-key/ iQIVAwUBYy02H8kNZI30y1K9AQh6gw/+NvpnYFx3V7WHeHZwnHaiWDozJ6UHZoTz SqPyBdj1i1DvttveJvaBPBLTE3aNpH48ESM48u+pACTdCokjWrpNd49auYivVQuP RH2EVL+MWX0WhbE1SWuQep7U+Khn2dhXdDW/tm/8AByAv9dkkYkBWvsUDotFJrNh obeKAwtUBN1rTuevyot4Bpy/OhjgIGjBSOafcg0WyTVGGd71YCB8CH5bOte75jCi CwWYyPe+mRhq8uKkArBZVPVBeJKyA4P1TtASJnQedVjOzSr0dNbP0jGMkmxLe8Iu ojKwA83tq0EZcXEteLhjx0EBHKhUjqkoK5Ej4BvlEwrKttTqoAqG/BKFkgqeDVU+ Z7qKHUnPfXJrbpedMHmQ9xgIo3AjkFJqXbGo7F4oumsVVyeCSxF3eNHkXETGfA+s GI7waxg//DMhhExQr/waPZ9opsQJd8tJxfbfVniXqSvcrCoI4m3h3KhTSCMaukUr GkVqRqa5R98jT3OPW0xZ3c1bibnCbHXoP0hxAx4pq1+PZL2XOSg2eVy9LWH7RyC5 GI0mgZe0GeDYUL0vNFOO2oy6joYRxvd3xr+x9vRgWM4ZNiWRHzXuETQoQBKJm/FI t9rDriFWjdw/UvyXLs3BNcd78PFtPqu2AwvsHtfF6qQsynqDVmFnNWBO8ICJvSmF U+BkGz/bdp0= =zmpZ -----END PGP SIGNATURE-----