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Debian LTS: Security Advisory for dovecot (DLA-2517-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'dovecot' package(s) announced via the DLA-2517-1 advisory.
Insight
Insight
It was discovered that there were two issues in the Dovecot IMAP server: * CVE-2020-24386: Prevent an issue where an attacker could cause Dovecot to discover file system directory structure and even access other users' emails using a pecially crafted command. * CVE-2020-25275: Prevent an issue where a malicious sender can crash Dovecot repeatedly by sending messages with more than 10.000 MIME parts.
Affected Software
Affected Software
'dovecot' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For Debian 9 'Stretch', these problems has been fixed in version 1:2.2.27-3+deb9u7. We recommend that you upgrade your dovecot packages.