USN-7472-1: Micropython vulnerabilities

USN-7472-1: Micropython vulnerabilities

https://ubuntu.com/security/notices/rss.xml / Thu, 05/01/2025 - 20:38
Junwha Hong and Wonil Jang discovered that Micropython incorrectly handled the length of a buffer in mp_vfs_umount, leading to a heap-based buffer overflow vulnerability. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2024-8946) Junwha Hong and Wonil Jang discovered that Micropython incorrectly handled memory, leading to a use-after-free vulnerability under certain circumstances. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2024-8947) It was discovered that Middleware USB Host MCU Component incorrectly handled memory, leading to a buffer overflow vulnerability, If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2021-42553)

About

Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.