Ubuntu 22.04 LTS USN-7224-1 critical: cyrus-imapd denial of service
ubuntu
January 23, 2025
Several security issues were fixed in Cyrus IMAP Server.
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Several security issues were fixed in Cyrus IMAP Server. Software Description: - cyrus-imapd: An IMAP server Details: 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 disco...
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Topics Covered
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS cyrus-admin 3.8.2-1ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-caldav 3.8.2-1ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-clients 3.8.2-1ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-common 3.8.2-1ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-dev 3.8.2-1ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-imapd 3.8.2-1ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-murder 3.8.2-1ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-nntpd 3.8.2-1ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-pop3d 3.8.2-1ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-replication 3.8.2-1ubuntu0.1~esm1 Available with Ubuntu Pro libcyrus-imap-perl 3.8.2-1ubuntu0.1~esm1 Available with Ubuntu Pro Ubuntu 22.04 LTS cyrus-admin 3.4.3-3ubuntu0.1+esm1 Available with Ubuntu Pro cyrus-caldav 3.4.3-3ubuntu0.1+esm1 Available with Ubuntu Pro cyrus-clients 3.4.3-3ubuntu0.1+esm1 Available with Ubuntu Pro cyrus-common 3.4.3-3ubuntu0.1+esm1 Available with Ubuntu Pro cyrus-dev 3.4.3-3ubuntu0.1+esm1 Available with Ubuntu Pro cyrus-imapd 3.4.3-3ubuntu0.1+esm1 Available with Ubuntu Pro cyrus-murder 3.4.3-3ubuntu0.1+esm1 Available with Ubuntu Pro cyrus-nntpd 3.4.3-3ubuntu0.1+esm1 Available with Ubuntu Pro cyrus-pop3d 3.4.3-3ubuntu0.1+esm1 Available with Ubuntu Pro cyrus-replication 3.4.3-3ubuntu0.1+esm1 Available with Ubuntu Pro libcyrus-imap-perl 3.4.3-3ubuntu0.1+esm1 Available with Ubuntu Pro Ubuntu 20.04 LTS cyrus-caldav 3.0.13-5ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-clients 3.0.13-5ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-common 3.0.13-5ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-dev 3.0.13-5ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-imapd 3.0.13-5ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-murder 3.0.13-5ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-nntpd 3.0.13-5ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-pop3d 3.0.13-5ubuntu0.1~esm1 Available with Ubuntu Pro cyrus-replication 3.0.13-5ubuntu0.1~esm1 Available with Ubuntu Pro libcyrus-imap-perl 3.0.13-5ubuntu0.1~esm1 Available with Ubuntu Pro Ubuntu 18.04 LTS cyrus-caldav 2.5.10-3ubuntu1.1+esm1 Available with Ubuntu Pro cyrus-clients 2.5.10-3ubuntu1.1+esm1 Available with Ubuntu Pro cyrus-common 2.5.10-3ubuntu1.1+esm1 Available with Ubuntu Pro cyrus-dev 2.5.10-3ubuntu1.1+esm1 Available with Ubuntu Pro cyrus-imapd 2.5.10-3ubuntu1.1+esm1 Available with Ubuntu Pro cyrus-murder 2.5.10-3ubuntu1.1+esm1 Available with Ubuntu Pro cyrus-nntpd 2.5.10-3ubuntu1.1+esm1 Available with Ubuntu Pro cyrus-pop3d 2.5.10-3ubuntu1.1+esm1 Available with Ubuntu Pro cyrus-replication 2.5.10-3ubuntu1.1+esm1 Available with Ubuntu Pro libcyrus-imap-perl 2.5.10-3ubuntu1.1+esm1 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-7224-1
CVE-2019-18928, CVE-2021-33582, CVE-2024-34055
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Ubuntu Security Notice USN-7224-1
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