USN-7224-1: Cyrus IMAP Server vulnerabilities

USN-7224-1: Cyrus IMAP Server vulnerabilities

https://ubuntu.com/security/notices/rss.xml / Thu, 01/23/2025 - 20:19
It was discovered that non-authentication-related HTTP requests could be interpreted in an authentication context by a Cyrus IMAP Server when multiple requests arrived over the same connection. An unauthenticated attacker could possibly use this issue to perform a privilege escalation attack. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-18928) Matthew Horsfall discovered that Cyrus IMAP Server utilized a poor string hashing algorithm that could be abused to control where data was being stored. An attacker could possibly use this issue to perform a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-33582) Damian Poddebniak discovered that Cyrus IMAP Server could interpret specially crafted commands to exploit a memory issue. An authenticated attacker could possibly use this issue to perform a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2024-34055)

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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.