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nessusThis script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.SUSE_SU-2019-0876-1.NASL
HistoryApr 05, 2019 - 12:00 a.m.

SUSE SLES15 Security Update : dovecot23 (SUSE-SU-2019:0876-1)

2019-04-0500:00:00
This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
13

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

AI Score

6.7

Confidence

High

EPSS

0

Percentile

10.1%

This update for dovecot23 fixes the following issue :

Security issue fixed :

CVE-2019-7524: Fixed an improper file handling which could result in stack oveflow allowing local root escalation (bsc#1130116).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2019:0876-1.
# The text itself is copyright (C) SUSE.
#

include('compat.inc');

if (description)
{
  script_id(123784);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/05");

  script_cve_id("CVE-2019-7524");

  script_name(english:"SUSE SLES15 Security Update : dovecot23 (SUSE-SU-2019:0876-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"This update for dovecot23 fixes the following issue :

Security issue fixed :

CVE-2019-7524: Fixed an improper file handling which could result in
stack oveflow allowing local root escalation (bsc#1130116).

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1130116");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-7524/");
  # https://www.suse.com/support/update/announcement/2019/suse-su-20190876-1/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?a018bf81");
  script_set_attribute(attribute:"solution", value:
"To install this SUSE Security Update use the SUSE recommended
installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Module for Server Applications 15:zypper in -t
patch SUSE-SLE-Module-Server-Applications-15-2019-876=1");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-7524");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/03/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/04/04");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/04/05");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-backend-mysql");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-backend-mysql-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-backend-pgsql");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-backend-pgsql-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-backend-sqlite");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-backend-sqlite-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-fts");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-fts-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-fts-lucene");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-fts-lucene-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-fts-solr");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-fts-solr-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-fts-squat");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dovecot23-fts-squat-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
  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/cpu", "Host/SuSE/release", "Host/SuSE/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/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES15)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES15", "SUSE " + os_ver);

if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);

sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES15" && (! preg(pattern:"^(0)$", string:sp))) audit(AUDIT_OS_NOT, "SLES15 SP0", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-backend-mysql-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-backend-mysql-debuginfo-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-backend-pgsql-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-backend-pgsql-debuginfo-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-backend-sqlite-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-backend-sqlite-debuginfo-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-debuginfo-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-debugsource-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-devel-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-fts-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-fts-debuginfo-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-fts-lucene-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-fts-lucene-debuginfo-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-fts-solr-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-fts-solr-debuginfo-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-fts-squat-2.3.3-4.10.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"dovecot23-fts-squat-debuginfo-2.3.3-4.10.1")) 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");
}

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

AI Score

6.7

Confidence

High

EPSS

0

Percentile

10.1%