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
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
AI Score
Confidence
High
EPSS
Percentile
19.4%
The remote host is missing an update for the
# SPDX-FileCopyrightText: 2021 Greenbone AG
# 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-only
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.1.4.2020.1633.1");
script_cve_id("CVE-2020-0543");
script_tag(name:"creation_date", value:"2021-04-19 00:00:00 +0000 (Mon, 19 Apr 2021)");
script_version("2024-02-02T14:37:50+0000");
script_tag(name:"last_modification", value:"2024-02-02 14:37:50 +0000 (Fri, 02 Feb 2024)");
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:"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:"2020-06-24 18:30:05 +0000 (Wed, 24 Jun 2020)");
script_name("SUSE: Security Advisory (SUSE-SU-2020:1633-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone AG");
script_family("SuSE Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/suse_sles", "ssh/login/rpms", re:"ssh/login/release=(SLES12\.0SP5)");
script_xref(name:"Advisory-ID", value:"SUSE-SU-2020:1633-1");
script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2020/suse-su-20201633-1/");
script_tag(name:"summary", value:"The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2020:1633-1 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 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).
Fixed an issue with efi boot when nvidia optimus or newer graphic cards
are used (bsc#1168178).d");
script_tag(name:"affected", value:"'xen' package(s) on SUSE Linux Enterprise Server 12-SP5, SUSE Linux Enterprise Software Development Kit 12-SP5.");
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 == "SLES12.0SP5") {
if(!isnull(res = isrpmvuln(pkg:"xen", rpm:"xen~4.12.3_02~3.14.1", rls:"SLES12.0SP5"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-debugsource", rpm:"xen-debugsource~4.12.3_02~3.14.1", rls:"SLES12.0SP5"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-doc-html", rpm:"xen-doc-html~4.12.3_02~3.14.1", rls:"SLES12.0SP5"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs-32bit", rpm:"xen-libs-32bit~4.12.3_02~3.14.1", rls:"SLES12.0SP5"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs", rpm:"xen-libs~4.12.3_02~3.14.1", rls:"SLES12.0SP5"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo-32bit", rpm:"xen-libs-debuginfo-32bit~4.12.3_02~3.14.1", rls:"SLES12.0SP5"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo", rpm:"xen-libs-debuginfo~4.12.3_02~3.14.1", rls:"SLES12.0SP5"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools", rpm:"xen-tools~4.12.3_02~3.14.1", rls:"SLES12.0SP5"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools-debuginfo", rpm:"xen-tools-debuginfo~4.12.3_02~3.14.1", rls:"SLES12.0SP5"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU", rpm:"xen-tools-domU~4.12.3_02~3.14.1", rls:"SLES12.0SP5"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU-debuginfo", rpm:"xen-tools-domU-debuginfo~4.12.3_02~3.14.1", rls:"SLES12.0SP5"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
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
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
AI Score
Confidence
High
EPSS
Percentile
19.4%