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nessusThis script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.OPENSUSE-2019-2278.NASL
HistoryOct 08, 2019 - 12:00 a.m.

openSUSE Security Update : dovecot23 (openSUSE-2019-2278)

2019-10-0800:00:00
This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
23

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

8.8

Confidence

High

EPSS

0.599

Percentile

97.8%

This update for dovecot23 fixes the following issue :

  • CVE-2019-11500: Fixed the NUL byte handling in IMAP and ManageSieve protocol parsers. (bsc#1145559)

  • CVE-2019-11499: Fixed a vulnerability where the submission-login would crash over a TLS secured channel (bsc#1133625).

  • CVE-2019-11494: Fixed a denial of service if the authentication is aborted by disconnecting (bsc#1133624).

This update was imported from the SUSE:SLE-15:Update update project.

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2019-2278.
#
# The text description of this plugin is (C) SUSE LLC.
#

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

if (description)
{
  script_id(129706);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/04/19");

  script_cve_id("CVE-2019-11494", "CVE-2019-11499", "CVE-2019-11500");

  script_name(english:"openSUSE Security Update : dovecot23 (openSUSE-2019-2278)");

  script_set_attribute(attribute:"synopsis", value:
"The remote openSUSE host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"This update for dovecot23 fixes the following issue :

  - CVE-2019-11500: Fixed the NUL byte handling in IMAP and
    ManageSieve protocol parsers. (bsc#1145559)

  - CVE-2019-11499: Fixed a vulnerability where the
    submission-login would crash over a TLS secured channel
    (bsc#1133625).

  - CVE-2019-11494: Fixed a denial of service if the
    authentication is aborted by disconnecting
    (bsc#1133624).

This update was imported from the SUSE:SLE-15:Update update project.");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1133624");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1133625");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1145559");
  script_set_attribute(attribute:"solution", value:
"Update the affected dovecot23 packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-11500");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/05/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/10/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/10/08");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-backend-mysql");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-backend-mysql-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-backend-pgsql");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-backend-pgsql-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-backend-sqlite");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-backend-sqlite-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-fts");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-fts-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-fts-lucene");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-fts-lucene-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-fts-solr");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-fts-solr-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-fts-squat");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:dovecot23-fts-squat-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"SuSE Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  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/SuSE/release");
if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE");
if (release !~ "^(SUSE15\.0)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.0", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(x86_64)$") audit(AUDIT_ARCH_NOT, "x86_64", ourarch);

flag = 0;

if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-backend-mysql-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-backend-mysql-debuginfo-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-backend-pgsql-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-backend-pgsql-debuginfo-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-backend-sqlite-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-backend-sqlite-debuginfo-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-debuginfo-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-debugsource-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-devel-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-fts-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-fts-debuginfo-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-fts-lucene-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-fts-lucene-debuginfo-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-fts-solr-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-fts-solr-debuginfo-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-fts-squat-2.3.3-lp150.14.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"dovecot23-fts-squat-debuginfo-2.3.3-lp150.14.1") ) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "dovecot23 / dovecot23-backend-mysql / etc");
}

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

8.8

Confidence

High

EPSS

0.599

Percentile

97.8%