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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.1790 USN-5971-1: Graphviz vulnerabilities 24 March 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Graphviz Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2020-18032 CVE-2019-11023 CVE-2018-10196 Original Bulletin: https://ubuntu.com/security/notices/USN-5971-1 Comment: CVSS (Max): 8.8 CVE-2019-11023 (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) CVSS Source: NVD Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5971-1: Graphviz vulnerabilities 24 March 2023 Several security issues were fixed in graphviz. Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. Learn more about Ubuntu Pro Releases o Ubuntu 20.04 LTS o Ubuntu 18.04 LTS o Ubuntu 14.04 ESM Packages o graphviz - rich set of graph drawing tools Details It was discovered that graphviz contains null pointer dereference vulnerabilities. Exploitation via a specially crafted input file can cause a denial of service. This issue only affected Ubuntu 18.04 LTS. ( CVE-2018-10196 ) It was discovered that graphviz contains null pointer dereference vulnerabilities. Exploitation via a specially crafted input file can cause a denial of service. These issues only affected Ubuntu 14.04 ESM and Ubuntu 18.04 LTS. ( CVE-2019-11023 ) It was discovered that graphviz contains a buffer overflow vulnerability. Exploitation via a specially crafted input file can cause a denial of service or possibly allow for arbitrary code execution. These issues only affected Ubuntu 14.04 ESM, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. ( CVE-2020-18032 ) Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. Learn more about Ubuntu Pro Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 o graphviz - 2.42.2-3ubuntu0.1~esm1 Available with Ubuntu Pro Ubuntu 18.04 o graphviz - 2.40.1-2ubuntu0.1~esm1 Available with Ubuntu Pro Ubuntu 14.04 o graphviz - 2.36.0-0ubuntu3.2+esm1 Available with Ubuntu Pro The problem can be corrected by updating your system to the following package versions: References o CVE-2019-11023 o CVE-2018-10196 o CVE-2020-18032 Related notices o USN-5264-1 : libgv-tcl, libcgraph6, libgv-lua, libpathplan4, libgv-perl, libgv-python, libgvc6, libgvc6-plugins-gtk, libgraphviz-dev, graphviz-dev, libgv-guile, graphviz, graphviz-doc, libcdt5, libgv-ruby, libgvpr2, libxdot4 - --------------------------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). 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