Scientific Linux Security Update : dovecot on SL6.x i386/x86_64

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text is (C) Scientific Linux.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(61039);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/14");

  script_cve_id("CVE-2010-3707", "CVE-2010-3780");

  script_name(english:"Scientific Linux Security Update : dovecot on SL6.x i386/x86_64");
  script_summary(english:"Checks rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Scientific Linux host is missing one or more security
updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Dovecot is an IMAP server for Linux, UNIX, and similar operating
systems, primarily written with security in mind.

A flaw was found in the way Dovecot handled SIGCHLD signals. If a
large amount of IMAP or POP3 session disconnects caused the Dovecot
master process to receive these signals rapidly, it could cause the
master process to crash. (CVE-2010-3780)

A flaw was found in the way Dovecot processed multiple Access Control
Lists (ACL) defined for a mailbox. In some cases, Dovecot could fail
to apply the more specific ACL entry, possibly resulting in more
access being granted to the user than intended. (CVE-2010-3707)

This update also adds the following enhancement :

  - This erratum upgrades Dovecot to upstream version 2.0.9,
    providing multiple fixes for the 'dsync' utility and
    improving overall performance. Refer to the
    '/usr/share/doc/dovecot-2.0.9/ChangeLog' file after
    installing this update for further information about the
    changes. (BZ#637056)

Users of dovecot are advised to upgrade to these updated packages,
which resolve these issues and add this enhancement. After installing
the updated packages, the dovecot service will be restarted
automatically."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.redhat.com/show_bug.cgi?id=637056"
  );
  # https://listserv.fnal.gov/scripts/wa.exe?A2=ind1106&L=scientific-linux-errata&T=0&P=781
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?5e7d04ef"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"x-cpe:/o:fermilab:scientific_linux");

  script_set_attribute(attribute:"patch_publication_date", value:"2011/05/19");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/08/01");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2012-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Scientific Linux Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/RedHat/release", "Host/RedHat/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Scientific Linux " >!< release) audit(AUDIT_HOST_NOT, "running Scientific Linux");
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu >!< "x86_64" && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Scientific Linux", cpu);


flag = 0;
if (rpm_check(release:"SL6", reference:"dovecot-2.0.9-2.el6")) flag++;
if (rpm_check(release:"SL6", reference:"dovecot-devel-2.0.9-2.el6")) flag++;
if (rpm_check(release:"SL6", reference:"dovecot-mysql-2.0.9-2.el6")) flag++;
if (rpm_check(release:"SL6", reference:"dovecot-pgsql-2.0.9-2.el6")) flag++;
if (rpm_check(release:"SL6", reference:"dovecot-pigeonhole-2.0.9-2.el6")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");