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cyrus-imapd: lmtpd component created mailboxes with administrator privileges if the "fileinto" was used, bypassing ACL checks

🗓️ 04 Nov 2020 01:25:27Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 148 Views

Cyrus IMAPd lmtpd allows creating administrator mailboxes with fileinto in sieve, bypassing ACL checks.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64cyrus-imapd0:3.0.7-19.el8cyrus-imapd-0:3.0.7-19.el8.aarch64.rpm
Red Hat Enterprise Linux8i686cyrus-imapd0:3.0.7-19.el8cyrus-imapd-0:3.0.7-19.el8.i686.rpm
Red Hat Enterprise Linux8ppc64lecyrus-imapd0:3.0.7-19.el8cyrus-imapd-0:3.0.7-19.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xcyrus-imapd0:3.0.7-19.el8cyrus-imapd-0:3.0.7-19.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64cyrus-imapd0:3.0.7-19.el8cyrus-imapd-0:3.0.7-19.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64cyrus-imapd-debuginfo0:3.0.7-19.el8cyrus-imapd-debuginfo-0:3.0.7-19.el8.aarch64.rpm
Red Hat Enterprise Linux8i686cyrus-imapd-debuginfo0:3.0.7-19.el8cyrus-imapd-debuginfo-0:3.0.7-19.el8.i686.rpm
Red Hat Enterprise Linux8ppc64lecyrus-imapd-debuginfo0:3.0.7-19.el8cyrus-imapd-debuginfo-0:3.0.7-19.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xcyrus-imapd-debuginfo0:3.0.7-19.el8cyrus-imapd-debuginfo-0:3.0.7-19.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64cyrus-imapd-debuginfo0:3.0.7-19.el8cyrus-imapd-debuginfo-0:3.0.7-19.el8.x86_64.rpm
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21 Nov 2025 18:18Current
5.8Medium risk
Vulners AI Score5.8
CVSS 23.5
CVSS 3.16.5
EPSS0.01655
148