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USN-8770-1: SimpleSAMLphp vulnerabilities

It was discovered that SimpleSAMLphp incorrectly validated cryptographic signatures in XML messages. An authenticated attacker could possibly use this issue to impersonate users or gain elevated privileges. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-3465) It was discovered that SimpleSAMLphp incorrectly handled external entities when parsing untrusted XML documents. A remote attacker could possibly use this issue to obtain sensitive information. This issue did not affect Ubuntu 24.04 LTS. (CVE-2024-52596) It was discovered that SimpleSAMLphp incorrectly verified signatures in SAML messages using the HTTP-Redirect binding. A remote attacker could possibly use this issue to bypass authentication and impersonate users. (CVE-2025-27773)

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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.