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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.4659 USN-5619-1: LibTIFF vulnerabilities 21 September 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: LibTIFF Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2022-2058 CVE-2022-2057 CVE-2022-2056 CVE-2022-1355 CVE-2022-1354 CVE-2020-19144 CVE-2020-19131 Original Bulletin: https://ubuntu.com/security/notices/USN-5619-1 Comment: CVSS (Max): 7.5 CVE-2020-19131 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: [NVD], Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5619-1: LibTIFF vulnerabilities 20 September 2022 Several security issues were fixed in LibTIFF. Releases o Ubuntu 22.04 LTS o Ubuntu 20.04 LTS o Ubuntu 18.04 LTS o Ubuntu 16.04 ESM o Ubuntu 14.04 ESM Packages o tiff - Tag Image File Format (TIFF) library Details It was discovered that LibTIFF was not properly performing the calculation of data that would eventually be used as a reference for bound-checking operations. An attacker could possibly use this issue to cause a denial of service or to expose sensitive information. This issue only affected Ubuntu 18.04 LTS. ( CVE-2020-19131 ) It was discovered that LibTIFF was not properly terminating a function execution when processing incorrect data. An attacker could possibly use this issue to cause a denial of service or to expose sensitive information. This issue only affected Ubuntu 18.04 LTS. ( CVE-2020-19144 ) It was discovered that LibTIFF did not properly manage memory under certain circumstances. If a user were tricked into opening a specially crafted TIFF file using tiffinfo tool, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. ( CVE-2022-1354 ) It was discovered that LibTIFF did not properly manage memory under certain circumstances. If a user were tricked into opening a specially crafted TIFF file using tiffcp tool, an attacker could possibly use this issue to cause a denial of service. ( CVE-2022-1355 ) It was discovered that LibTIFF was not properly performing checks to avoid division calculations where the denominator value was zero, which could lead to an undefined behaviour situation via a specially crafted file. An attacker could possibly use this issue to cause a denial of service. ( CVE-2022-2056 , CVE-2022-2057 , CVE-2022-2058 ) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 o libtiff-opengl - 4.3.0-6ubuntu0.1 o libtiffxx5 - 4.3.0-6ubuntu0.1 o libtiff5 - 4.3.0-6ubuntu0.1 o libtiff-tools - 4.3.0-6ubuntu0.1 Ubuntu 20.04 o libtiff-opengl - 4.1.0+git191117-2ubuntu0.20.04.5 o libtiffxx5 - 4.1.0+git191117-2ubuntu0.20.04.5 o libtiff5 - 4.1.0+git191117-2ubuntu0.20.04.5 o libtiff-tools - 4.1.0+git191117-2ubuntu0.20.04.5 Ubuntu 18.04 o libtiff-opengl - 4.0.9-5ubuntu0.7 o libtiffxx5 - 4.0.9-5ubuntu0.7 o libtiff5 - 4.0.9-5ubuntu0.7 o libtiff-tools - 4.0.9-5ubuntu0.7 Ubuntu 16.04 o libtiff-opengl - 4.0.6-1ubuntu0.8+esm4 Available with UA Infra or UA Desktop o libtiffxx5 - 4.0.6-1ubuntu0.8+esm4 Available with UA Infra or UA Desktop o libtiff5 - 4.0.6-1ubuntu0.8+esm4 Available with UA Infra or UA Desktop o libtiff-tools - 4.0.6-1ubuntu0.8+esm4 Available with UA Infra or UA Desktop Ubuntu 14.04 o libtiff-opengl - 4.0.3-7ubuntu0.11+esm4 Available with UA Infra or UA Desktop o libtiffxx5 - 4.0.3-7ubuntu0.11+esm4 Available with UA Infra or UA Desktop o libtiff5 - 4.0.3-7ubuntu0.11+esm4 Available with UA Infra or UA Desktop o libtiff-tools - 4.0.3-7ubuntu0.11+esm4 Available with UA Infra or UA Desktop In general, a standard system update will make all the necessary changes. References o CVE-2020-19144 o CVE-2022-1354 o CVE-2022-2056 o CVE-2022-2058 o CVE-2022-2057 o CVE-2020-19131 o CVE-2022-1355 Related notices o USN-5523-1 : libtiff5-dev, libtiff5-alt-dev, libtiff-tools, libtiff4-dev, tiff, libtiff-doc, libtiffxx5, libtiff-opengl, libtiff5 - --------------------------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. 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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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