CVSS2
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
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
81.0%
This update for wicked fixes the following issues :
CVE-2019-18902: Fixed a use-after-free when receiving invalid DHCP6 client options (bsc#1160903).
CVE-2020-7216: Fixed a potential denial of service via a memory leak when processing packets with missing message type option in DHCP4 (bsc#1160905).
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-2020:0263-1.
# The text itself is copyright (C) SUSE.
#
include("compat.inc");
if (description)
{
script_id(133392);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/13");
script_cve_id("CVE-2019-18902", "CVE-2020-7216");
script_name(english:"SUSE SLED15 / SLES15 Security Update : wicked (SUSE-SU-2020:0263-1)");
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:
"This update for wicked fixes the following issues :
CVE-2019-18902: Fixed a use-after-free when receiving invalid DHCP6
client options (bsc#1160903).
CVE-2020-7216: Fixed a potential denial of service via a memory leak
when processing packets with missing message type option in DHCP4
(bsc#1160905).
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=1160903"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1160905"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2019-18902/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2020-7216/"
);
# https://www.suse.com/support/update/announcement/2020/suse-su-20200263-1/
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?5161d600"
);
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 Server for SAP 15 :
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-263=1
SUSE Linux Enterprise Server 15-LTSS :
zypper in -t patch SUSE-SLE-Product-SLES-15-2020-263=1
SUSE Linux Enterprise Module for Basesystem 15 :
zypper in -t patch SUSE-SLE-Module-Basesystem-15-2020-263=1
SUSE Linux Enterprise High Performance Computing 15-LTSS :
zypper in -t patch SUSE-SLE-Product-HPC-15-2020-263=1
SUSE Linux Enterprise High Performance Computing 15-ESPOS :
zypper in -t patch SUSE-SLE-Product-HPC-15-2020-263=1"
);
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:U/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:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-18902");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:wicked");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:wicked-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:wicked-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:wicked-service");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/02/05");
script_set_attribute(attribute:"patch_publication_date", value:"2020/01/30");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/01/31");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2020-2021 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:"^(SLED15|SLES15)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED15 / SLES15", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "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)$", string:sp))) audit(AUDIT_OS_NOT, "SLES15 SP0", os_ver + " SP" + sp);
if (os_ver == "SLED15" && (! preg(pattern:"^(0)$", string:sp))) audit(AUDIT_OS_NOT, "SLED15 SP0", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES15", sp:"0", reference:"wicked-0.6.60-3.21.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"wicked-debuginfo-0.6.60-3.21.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"wicked-debugsource-0.6.60-3.21.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"wicked-service-0.6.60-3.21.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"wicked-0.6.60-3.21.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"wicked-debuginfo-0.6.60-3.21.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"wicked-debugsource-0.6.60-3.21.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"wicked-service-0.6.60-3.21.1")) 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, "wicked");
}
CVSS2
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
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
81.0%