USN-7083-1: OpenJPEG vulnerabilities

USN-7083-1: OpenJPEG vulnerabilities

https://ubuntu.com/security/notices/rss.xml / Tue, 11/05/2024 - 05:33
It was discovered that OpenJPEG incorrectly handled certain memory operations when using the command line "-ImgDir" in a directory with a large number of files, leading to an integer overflow vulnerability. An attacker could potentially use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2021-29338) It was discovered that OpenJPEG incorrectly handled decompressing certain .j2k files in sycc420_to_rgb, 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 execute arbitrary code. (CVE-2021-3575) It was discovered that OpenJPEG incorrectly handled certain memory operations in the opj2_decompress program. An attacker could potentially use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-1122)

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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.