2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
7.2 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
19.4%
The remote host is missing an update for the
# Copyright (C) 2020 Greenbone Networks GmbH
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.853214");
script_version("2021-08-13T03:00:58+0000");
script_cve_id("CVE-2020-0543");
script_tag(name:"cvss_base", value:"2.1");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:N/A:N");
script_tag(name:"last_modification", value:"2021-08-13 03:00:58 +0000 (Fri, 13 Aug 2021)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2020-11-29 03:15:00 +0000 (Sun, 29 Nov 2020)");
script_tag(name:"creation_date", value:"2020-06-17 03:00:55 +0000 (Wed, 17 Jun 2020)");
script_name("openSUSE: Security Advisory for xen (openSUSE-SU-2020:0818-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2020 Greenbone Networks GmbH");
script_family("SuSE Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/suse", "ssh/login/rpms", re:"ssh/login/release=openSUSELeap15\.1");
script_xref(name:"openSUSE-SU", value:"2020:0818-1");
script_xref(name:"URL", value:"http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00025.html");
script_tag(name:"summary", value:"The remote host is missing an update for the 'xen'
package(s) announced via the openSUSE-SU-2020:0818-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"This update for xen to version 4.12.3 fixes the following issues:
- CVE-2020-0543: Fixed a side channel attack against special registers
which could have resulted in leaking of read values to cores other than
the one which called it. This attack is known as Special Register Buffer
Data Sampling (SRBDS) or 'CrossTalk' (bsc#1172205).
- Added support for new 64bit libxl memory API (bsc#1167007 and
bsc#1157490).
This update was imported from the SUSE:SLE-15-SP1:Update update project.
Patch Instructions:
To install this openSUSE 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:
- openSUSE Leap 15.1:
zypper in -t patch openSUSE-2020-818=1");
script_tag(name:"affected", value:"'xen' package(s) on openSUSE Leap 15.1.");
script_tag(name:"solution", value:"Please install the updated package(s).");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"package");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-rpm.inc");
release = rpm_get_ssh_release();
if(!release)
exit(0);
res = "";
report = "";
if(release == "openSUSELeap15.1") {
if(!isnull(res = isrpmvuln(pkg:"xen-debugsource", rpm:"xen-debugsource~4.12.3_02~lp151.2.18.2", rls:"openSUSELeap15.1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-devel", rpm:"xen-devel~4.12.3_02~lp151.2.18.2", rls:"openSUSELeap15.1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs", rpm:"xen-libs~4.12.3_02~lp151.2.18.2", rls:"openSUSELeap15.1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo", rpm:"xen-libs-debuginfo~4.12.3_02~lp151.2.18.2", rls:"openSUSELeap15.1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU", rpm:"xen-tools-domU~4.12.3_02~lp151.2.18.2", rls:"openSUSELeap15.1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU-debuginfo", rpm:"xen-tools-domU-debuginfo~4.12.3_02~lp151.2.18.2", rls:"openSUSELeap15.1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen", rpm:"xen~4.12.3_02~lp151.2.18.2", rls:"openSUSELeap15.1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-doc-html", rpm:"xen-doc-html~4.12.3_02~lp151.2.18.2", rls:"openSUSELeap15.1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs-32bit", rpm:"xen-libs-32bit~4.12.3_02~lp151.2.18.2", rls:"openSUSELeap15.1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs-32bit-debuginfo", rpm:"xen-libs-32bit-debuginfo~4.12.3_02~lp151.2.18.2", rls:"openSUSELeap15.1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools", rpm:"xen-tools~4.12.3_02~lp151.2.18.2", rls:"openSUSELeap15.1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools-debuginfo", rpm:"xen-tools-debuginfo~4.12.3_02~lp151.2.18.2", rls:"openSUSELeap15.1"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
7.2 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
19.4%