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
EPSS
Percentile
99.3%
krb5 was updated to fix three security issues.
Remote authenticated users could cause denial of service.
These security issues were fixed :
CVE-2014-5353: NULL pointer dereference when using a ticket policy name as password name (bsc#910457).
CVE-2014-5354: NULL pointer dereference when using keyless entries (bsc#910458).
CVE-2014-5355: Denial of service in krb5_read_message (bsc#918595).
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.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2015:1282-1.
# The text itself is copyright (C) SUSE.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(84979);
script_version("2.12");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");
script_cve_id("CVE-2014-5353", "CVE-2014-5354", "CVE-2014-5355");
script_bugtraq_id(71679, 71680, 74042);
script_name(english:"SUSE SLED11 / SLES11 Security Update : krb5 (SUSE-SU-2015:1282-1)");
script_summary(english:"Checks rpm output for the updated packages.");
script_set_attribute(
attribute:"synopsis",
value:"The remote SUSE host is missing one or more security updates."
);
script_set_attribute(
attribute:"description",
value:
"krb5 was updated to fix three security issues.
Remote authenticated users could cause denial of service.
These security issues were fixed :
- CVE-2014-5353: NULL pointer dereference when using a
ticket policy name as password name (bsc#910457).
- CVE-2014-5354: NULL pointer dereference when using
keyless entries (bsc#910458).
- CVE-2014-5355: Denial of service in krb5_read_message
(bsc#918595).
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=910457"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=910458"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=918595"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2014-5353/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2014-5354/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2014-5355/"
);
# https://www.suse.com/support/update/announcement/2015/suse-su-20151282-1.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?67304285"
);
script_set_attribute(
attribute:"solution",
value:
"To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :
SUSE Linux Enterprise Software Development Kit 11-SP4 :
zypper in -t patch sdksp4-krb5-201507-12004=1
SUSE Linux Enterprise Software Development Kit 11-SP3 :
zypper in -t patch sdksp3-krb5-201507-12004=1
SUSE Linux Enterprise Server for VMWare 11-SP3 :
zypper in -t patch slessp3-krb5-201507-12004=1
SUSE Linux Enterprise Server 11-SP4 :
zypper in -t patch slessp4-krb5-201507-12004=1
SUSE Linux Enterprise Server 11-SP3 :
zypper in -t patch slessp3-krb5-201507-12004=1
SUSE Linux Enterprise Desktop 11-SP4 :
zypper in -t patch sledsp4-krb5-201507-12004=1
SUSE Linux Enterprise Desktop 11-SP3 :
zypper in -t patch sledsp3-krb5-201507-12004=1
SUSE Linux Enterprise Debuginfo 11-SP3 :
zypper in -t patch dbgsp3-krb5-201507-12004=1
To bring your system up-to-date, use 'zypper patch'."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:krb5");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:krb5-apps-clients");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:krb5-apps-servers");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:krb5-client");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:krb5-plugin-kdb-ldap");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:krb5-plugin-preauth-pkinit");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:krb5-server");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11");
script_set_attribute(attribute:"vuln_publication_date", value:"2014/12/16");
script_set_attribute(attribute:"patch_publication_date", value:"2015/07/10");
script_set_attribute(attribute:"plugin_publication_date", value:"2015/07/24");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2015-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"SuSE Local Security Checks");
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:"^(SLED11|SLES11)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED11 / SLES11", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "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 == "SLES11" && (! preg(pattern:"^(3|4)$", string:sp))) audit(AUDIT_OS_NOT, "SLES11 SP3/4", os_ver + " SP" + sp);
if (os_ver == "SLED11" && (! preg(pattern:"^(3|4)$", string:sp))) audit(AUDIT_OS_NOT, "SLED11 SP3/4", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES11", sp:"4", cpu:"x86_64", reference:"krb5-32bit-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", cpu:"s390x", reference:"krb5-32bit-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"krb5-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"krb5-apps-clients-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"krb5-apps-servers-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"krb5-client-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"krb5-plugin-kdb-ldap-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"krb5-plugin-preauth-pkinit-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"4", reference:"krb5-server-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"x86_64", reference:"krb5-32bit-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", cpu:"s390x", reference:"krb5-32bit-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"krb5-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"krb5-apps-clients-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"krb5-apps-servers-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"krb5-client-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"krb5-plugin-kdb-ldap-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"krb5-plugin-preauth-pkinit-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"krb5-server-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLED11", sp:"4", cpu:"x86_64", reference:"krb5-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLED11", sp:"4", cpu:"x86_64", reference:"krb5-client-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLED11", sp:"4", cpu:"x86_64", reference:"krb5-32bit-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLED11", sp:"4", cpu:"i586", reference:"krb5-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLED11", sp:"4", cpu:"i586", reference:"krb5-client-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLED11", sp:"3", cpu:"x86_64", reference:"krb5-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLED11", sp:"3", cpu:"x86_64", reference:"krb5-client-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLED11", sp:"3", cpu:"x86_64", reference:"krb5-32bit-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLED11", sp:"3", cpu:"i586", reference:"krb5-1.6.3-133.49.68.1")) flag++;
if (rpm_check(release:"SLED11", sp:"3", cpu:"i586", reference:"krb5-client-1.6.3-133.49.68.1")) 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");
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-5353
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-5354
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-5355
www.nessus.org/u?67304285
bugzilla.suse.com/show_bug.cgi?id=910457
bugzilla.suse.com/show_bug.cgi?id=910458
bugzilla.suse.com/show_bug.cgi?id=918595
www.suse.com/security/cve/CVE-2014-5353/
www.suse.com/security/cve/CVE-2014-5354/
www.suse.com/security/cve/CVE-2014-5355/