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Debian Security Advisory DSA 4456-1 (exim4 - 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 'exim4' package(s) announced via the DSA-4456-1 advisory.
Insight
Insight
The Qualys Research Labs reported a flaw in Exim, a mail transport agent. Improper validation of the recipient address in the deliver_message() function may result in the execution of arbitrary commands.
Affected Software
Affected Software
'exim4' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the stable distribution (stretch), this problem has been fixed in version 4.89-2+deb9u4. We recommend that you upgrade your exim4 packages.