6.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
0.0005 Low
EPSS
Percentile
18.0%
This update for xen fixes the following issues :
bsc#1178963 - VUL-0: xen: stack corruption from XSA-346 change (XSA-355)
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-2020:3653-1.
# The text itself is copyright (C) SUSE.
#
include('compat.inc');
if (description)
{
script_id(143824);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/05/11");
script_cve_id(
"CVE-2020-27670",
"CVE-2020-27671",
"CVE-2020-27672",
"CVE-2020-27674",
"CVE-2020-28368"
);
script_name(english:"SUSE SLES12 Security Update : xen (SUSE-SU-2020:3653-1)");
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 xen fixes the following issues :
bsc#1178963 - VUL-0: xen: stack corruption from XSA-346 change
(XSA-355)
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=1177409");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1177412");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1177413");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1177414");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178591");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178963");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-27670/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-27671/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-27672/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-27674/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-28368/");
# https://www.suse.com/support/update/announcement/2020/suse-su-20203653-1
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?03af8728");
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 OpenStack Cloud Crowbar 9 :
zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2020-3653=1
SUSE OpenStack Cloud 9 :
zypper in -t patch SUSE-OpenStack-Cloud-9-2020-3653=1
SUSE Linux Enterprise Server for SAP 12-SP4 :
zypper in -t patch SUSE-SLE-SAP-12-SP4-2020-3653=1
SUSE Linux Enterprise Server 12-SP4-LTSS :
zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2020-3653=1");
script_set_cvss_base_vector("CVSS2#AV:L/AC:M/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:H/PR:L/UI:N/S:C/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-2020-27672");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2020-27671");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/10/22");
script_set_attribute(attribute:"patch_publication_date", value:"2020/12/07");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/12/09");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-doc-html");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-libs-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-tools-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-tools-domU");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-tools-domU-debuginfo");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
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) 2020-2022 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:"^(SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES12", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);
if (cpu >!< "x86_64") audit(AUDIT_ARCH_NOT, "x86_64", cpu);
sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES12" && (! preg(pattern:"^(4)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP4", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"xen-4.11.4_14-2.45.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"xen-debugsource-4.11.4_14-2.45.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"xen-doc-html-4.11.4_14-2.45.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"xen-libs-32bit-4.11.4_14-2.45.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"xen-libs-4.11.4_14-2.45.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"xen-libs-debuginfo-32bit-4.11.4_14-2.45.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"xen-libs-debuginfo-4.11.4_14-2.45.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"xen-tools-4.11.4_14-2.45.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"xen-tools-debuginfo-4.11.4_14-2.45.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"xen-tools-domU-4.11.4_14-2.45.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", cpu:"x86_64", reference:"xen-tools-domU-debuginfo-4.11.4_14-2.45.1")) 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, "xen");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | xen | p-cpe:/a:novell:suse_linux:xen |
novell | suse_linux | xen-debugsource | p-cpe:/a:novell:suse_linux:xen-debugsource |
novell | suse_linux | xen-doc-html | p-cpe:/a:novell:suse_linux:xen-doc-html |
novell | suse_linux | xen-libs | p-cpe:/a:novell:suse_linux:xen-libs |
novell | suse_linux | xen-libs-debuginfo | p-cpe:/a:novell:suse_linux:xen-libs-debuginfo |
novell | suse_linux | xen-tools | p-cpe:/a:novell:suse_linux:xen-tools |
novell | suse_linux | xen-tools-debuginfo | p-cpe:/a:novell:suse_linux:xen-tools-debuginfo |
novell | suse_linux | xen-tools-domu | p-cpe:/a:novell:suse_linux:xen-tools-domu |
novell | suse_linux | xen-tools-domu-debuginfo | p-cpe:/a:novell:suse_linux:xen-tools-domu-debuginfo |
novell | suse_linux | 12 | cpe:/o:novell:suse_linux:12 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27670
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27671
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27672
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27674
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28368
www.nessus.org/u?03af8728
bugzilla.suse.com/show_bug.cgi?id=1177409
bugzilla.suse.com/show_bug.cgi?id=1177412
bugzilla.suse.com/show_bug.cgi?id=1177413
bugzilla.suse.com/show_bug.cgi?id=1177414
bugzilla.suse.com/show_bug.cgi?id=1178591
bugzilla.suse.com/show_bug.cgi?id=1178963
www.suse.com/security/cve/CVE-2020-27670/
www.suse.com/security/cve/CVE-2020-27671/
www.suse.com/security/cve/CVE-2020-27672/
www.suse.com/security/cve/CVE-2020-27674/
www.suse.com/security/cve/CVE-2020-28368/
6.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
0.0005 Low
EPSS
Percentile
18.0%