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Debian LTS Advisory ([SECURITY] [DLA 1736-1] dovecot security update)
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 DSA-1736-1 advisory.
Insight
Insight
A security vulnerability was discovered in the Dovecot email server. When reading FTS headers from the Dovecot index, the input buffer size is not bounds-checked. An attacker with the ability to modify dovecot indexes, can take advantage of this flaw for privilege escalation or the execution of arbitrary code with the permissions of the dovecot user. Only installations using the FTS plugins are affected.
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 8 'Jessie', this problem has been fixed in version 1:2.2.13-12~deb8u6. We recommend that you upgrade your dovecot packages.