openSUSE Security Update : krb5 (openSUSE-2016-181)

2016-02-1100:00:00

www.tenable.com

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.073

Percentile

94.1%

JSON

This update for krb5 fixes the following issues :

CVE-2015-8629: Information leak authenticated attackers with permissions to modify the database (bsc#963968)
CVE-2015-8630: An authenticated attacker with permission to modify a principal entry may have caused kadmind to crash (bsc#963964)
CVE-2015-8631: An authenticated attacker could have caused a memory leak in auditd by supplying a null principal name in request (bsc#963975)

#%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-2016-181.
#
# The text description of this plugin is (C) SUSE LLC.
#

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

if (description)
{
  script_id(88687);
  script_version("2.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("CVE-2015-8629", "CVE-2015-8630", "CVE-2015-8631");

  script_name(english:"openSUSE Security Update : krb5 (openSUSE-2016-181)");
  script_summary(english:"Check for the openSUSE-2016-181 patch");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote openSUSE host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"This update for krb5 fixes the following issues :

  - CVE-2015-8629: Information leak authenticated attackers
    with permissions to modify the database (bsc#963968)

  - CVE-2015-8630: An authenticated attacker with permission
    to modify a principal entry may have caused kadmind to
    crash (bsc#963964)

  - CVE-2015-8631: An authenticated attacker could have
    caused a memory leak in auditd by supplying a null
    principal name in request (bsc#963975)"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=963964"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=963968"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=963975"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected krb5 packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-client");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-client-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-debuginfo-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-devel-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-mini");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-mini-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-mini-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-mini-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-plugin-kdb-ldap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-plugin-kdb-ldap-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-plugin-preauth-otp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-plugin-preauth-otp-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-plugin-preauth-pkinit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-plugin-preauth-pkinit-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:krb5-server-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:13.2");

  script_set_attribute(attribute:"patch_publication_date", value:"2016/02/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/02/11");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2016-2021 Tenable Network Security, Inc.");
  script_family(english:"SuSE Local Security Checks");

  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 !~ "^(SUSE13\.2)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "13.2", 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 !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch);

flag = 0;

if ( rpm_check(release:"SUSE13.2", reference:"krb5-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-client-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-client-debuginfo-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-debuginfo-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-debugsource-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-devel-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-mini-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-mini-debuginfo-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-mini-debugsource-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-mini-devel-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-plugin-kdb-ldap-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-plugin-kdb-ldap-debuginfo-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-plugin-preauth-otp-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-plugin-preauth-otp-debuginfo-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-plugin-preauth-pkinit-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-plugin-preauth-pkinit-debuginfo-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-server-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"krb5-server-debuginfo-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"krb5-32bit-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"krb5-debuginfo-32bit-1.12.2-21.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"krb5-devel-32bit-1.12.2-21.1") ) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "krb5-mini / krb5-mini-debuginfo / krb5-mini-debugsource / etc");
}