Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.5116 USN-6353-1: PLIB vulnerability 8 September 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: PLIB Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2021-38714 Original Bulletin: https://ubuntu.com/security/notices/USN-6353-1 Comment: CVSS (Max): 8.8 CVE-2021-38714 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) CVSS Source: NIST 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-6353-1: PLIB vulnerability 7 September 2023 PLIB could be made to execute arbitrary code if it opens a specially crafted TGA file. Releases o Ubuntu 20.04 LTS o Ubuntu 18.04 ESM o Ubuntu 16.04 ESM Packages o plib - Portability Libraries: Development package Details Wooseok Kang discovered that PLIB did not properly manage memory under certain circumstances. If a user were tricked into opening a specially crafted TGA file, an attacker could possibly use this issue to cause applications using PLIB 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 20.04 o libplib1 - 1.8.5-8ubuntu0.20.04.1 Ubuntu 18.04 o libplib1 - 1.8.5-8ubuntu0.18.04.1~esm1 Available with Ubuntu Pro Ubuntu 16.04 o libplib1 - 1.8.5-7ubuntu0.1~esm1 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes. References o CVE-2021-38714 - --------------------------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: https://auscert.org.au/gpg-key/ iQIVAwUBZPpWgMkNZI30y1K9AQif9Q/+KRMLrJptlJygsojwT5YQR+qD66NAj+UB NvncmYurNDNebk9BoMAAmDtAQ96bZ79Gyj5/HvLmm5JSFKrZhCiCCsyJ27izoYDw vmXgjgIASXK034ojFw0Y5yosZMkrhCLMssTAXeSeGV6ucqF3OVBFIJHZ/Y2mCACT EYc2QDUxlbIX3V7084jINwXThayA4l1rSOXRF+IJz7/1txxgJvx8HGj7v457MaEo 7vh46oxD4IHuIp9n0id7fs1YUkOgH98U32wmNCYQ+J5F2YC25ds7Rlj0Yjy1CMST vKUeQewT9jmn3tbAubHiqZ5mzfPda3RS4LfivhiXYfmGyeFtWYLZNGeUt9rBmcpH FONM5+l2H7d41BQRpJsZ6n6kEXgzGtCojaJ56lHMIqDk+qCjpa3o45kKGKMcOyHx 10CgINOC15+lUdSaitmp9LzCOrbVem6n+I3buz4e6TdYznF5Rc7bWm5sberGk/X0 oV7MLEic4xlOMcKA5iEOBAP669chKTn8/A5JkemWOt/9pMWs5erFj1rcFCDZzP4d QinmE5hfOkHK1yBU9C76iHO6sncgNVlCMEQddUjNPItPDwSTMkL5Xrsvy94uIj5p eVHBIdwY1xc5gpIwPjuFCEpl3+2MCQ2YfvBBvHzrmu/HCxEyl3vuxyDQvgT4ISC8 DxrlfVjG2oc= =8oXp -----END PGP SIGNATURE-----