DSA-4110-1 exim4 -- security update

Related Vulnerabilities: CVE-2018-6789  

Meh Chang discovered a buffer overflow flaw in a utility function used in the SMTP listener of Exim, a mail transport agent. A remote attacker can take advantage of this flaw to cause a denial of service, or potentially the execution of arbitrary code via a specially crafted message. For the oldstable distribution (jessie), this problem has been fixed in version 4.84.2-2+deb8u5. For the stable distribution (stretch), this problem has been fixed in version 4.89-2+deb9u3. We recommend that you upgrade your exim4 packages. For the detailed security status of exim4 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/exim4

Debian Security Advisory

DSA-4110-1 exim4 -- security update

Date Reported:
10 Feb 2018
Affected Packages:
exim4
Vulnerable:
Yes
Security database references:
In the Debian bugtracking system: Bug 890000.
In Mitre's CVE dictionary: CVE-2018-6789.
More information:

Meh Chang discovered a buffer overflow flaw in a utility function used in the SMTP listener of Exim, a mail transport agent. A remote attacker can take advantage of this flaw to cause a denial of service, or potentially the execution of arbitrary code via a specially crafted message.

For the oldstable distribution (jessie), this problem has been fixed in version 4.84.2-2+deb8u5.

For the stable distribution (stretch), this problem has been fixed in version 4.89-2+deb9u3.

We recommend that you upgrade your exim4 packages.

For the detailed security status of exim4 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/exim4