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Debian Security Advisory DSA 4456-1 (exim4 - security update)

Information

Severity

Severity

High

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.5

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

3 years ago

Modified

Modified

3 years ago

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.

Common Vulnerabilities and Exposures (CVE)