This script is Copyright (C) 2006-2015 Tenable Network Security, Inc.
The remote Gentoo host is missing one or more security-related
The remote host is affected by the vulnerability described in GLSA-200606-19
(Sendmail: Denial of Service)
Frank Sheiness discovered that the mime8to7() function can recurse
endlessly during the decoding of multipart MIME messages until the
stack of the process is filled and the process crashes.
By sending specially crafted multipart MIME messages, a remote
attacker can cause a subprocess forked by Sendmail to crash. If
Sendmail is not set to use a randomized queue processing, the attack
will effectively halt the delivery of queued mails as well as the
malformed one, incoming mail delivered interactively is not affected.
Additionally, on systems where core dumps with an individual naming
scheme (like 'core.pid') are enabled, a filesystem may fill up with
core dumps. Core dumps are disabled by default in Gentoo.
The Sendmail 8.13.7 release information offers some workarounds, please
see the Reference below. Note that the issue has actually been fixed in
the 8.13.6-r1 ebuild.
See also :
All Sendmail users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=mail-mta/sendmail-8.13.6-r1'
Risk factor :
Medium / CVSS Base Score : 5.0
Family: Gentoo Local Security Checks
Nessus Plugin ID: 21712 (gentoo_GLSA-200606-19.nasl)
CVE ID: CVE-2006-1173
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