CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
70.0%
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("1.3.6.1.4.1.25623.1.1.4.2021.3977.1");
script_cve_id("CVE-2021-28701", "CVE-2021-28702", "CVE-2021-28704", "CVE-2021-28705", "CVE-2021-28706", "CVE-2021-28707", "CVE-2021-28708", "CVE-2021-28709");
script_tag(name:"creation_date", value:"2021-12-10 07:47:33 +0000 (Fri, 10 Dec 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:"7.8");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-12-01 14:16:28 +0000 (Wed, 01 Dec 2021)");
script_name("SUSE: Security Advisory (SUSE-SU-2021:3977-1)");
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=(SLES15\.0SP1)");
script_xref(name:"Advisory-ID", value:"SUSE-SU-2021:3977-1");
script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2021/suse-su-20213977-1/");
script_tag(name:"summary", value:"The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2021:3977-1 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-2021-28701: Fixed race condition in XENMAPSPACE_grant_table handling
(XSA-384) (bsc#1189632).
CVE-2021-28702: Fixed PCI devices with RMRRs not deassigned correctly
(XSA-386) (bsc#1191363).
CVE-2021-28704, CVE-2021-28707, CVE-2021-28708: Fixed PoD operations on
misaligned GFNs (XSA-388) (bsc#1192557).
CVE-2021-28705, CVE-2021-28709: Fixed issues with partially successful
P2M updates on x86 (XSA-389) (bsc#1192559).
CVE-2021-28706: Fixed guests may exceed their designated memory limit
(XSA-385) (bsc#1192554).
Upstream bug fixes (bsc#1027519)");
script_tag(name:"affected", value:"'xen' package(s) on SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, SUSE Linux Enterprise High Performance Computing 15-SP1, SUSE Linux Enterprise Server 15-SP1, SUSE Linux Enterprise Server for SAP 15-SP1.");
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 == "SLES15.0SP1") {
if(!isnull(res = isrpmvuln(pkg:"xen", rpm:"xen~4.12.4_16~3.57.1", rls:"SLES15.0SP1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-debugsource", rpm:"xen-debugsource~4.12.4_16~3.57.1", rls:"SLES15.0SP1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-devel", rpm:"xen-devel~4.12.4_16~3.57.1", rls:"SLES15.0SP1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs", rpm:"xen-libs~4.12.4_16~3.57.1", rls:"SLES15.0SP1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo", rpm:"xen-libs-debuginfo~4.12.4_16~3.57.1", rls:"SLES15.0SP1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools", rpm:"xen-tools~4.12.4_16~3.57.1", rls:"SLES15.0SP1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools-debuginfo", rpm:"xen-tools-debuginfo~4.12.4_16~3.57.1", rls:"SLES15.0SP1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU", rpm:"xen-tools-domU~4.12.4_16~3.57.1", rls:"SLES15.0SP1"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU-debuginfo", rpm:"xen-tools-domU-debuginfo~4.12.4_16~3.57.1", rls:"SLES15.0SP1"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
70.0%