USN-7647-1: LedgerSMB vulnerabilities

USN-7647-1: LedgerSMB vulnerabilities

https://ubuntu.com/security/notices/rss.xml / Fri, 07/18/2025 - 02:30
It was discovered that LedgerSMB did not check the origin of HTML fragments. An attacker could possibly use this issue to send a maliciously crafted URL to the server and obtain sensitive information, or execute arbitrary code. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 25.04. (CVE-2021-3693) It was discovered that LedgerSMB did not properly encode HTML error messages. An attacker could possibly use this issue to send a maliciously crafted URL to the server and obtain sensitive information, or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS. (CVE-2021-3694) It was discovered that LedgerSMB did not guard against discrete link redirections. An attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2021-3731) It was discovered that LedgerSMB did not properly set the 'Secure' attribute during HTTPS sessions. If a user were tricked into using an unencrypted connection, an attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 25.04. (CVE-2021-3882) It was discovered that LedgerSMB could create admin accounts via a URL. If an admin were tricked into clicking a maliciously crafted URL, an attacker could possibly use this issue to achieve privilege escalation. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 25.04. (CVE-2024-23831)

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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.