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
AI Score
Confidence
High
EPSS
Percentile
79.2%
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("1.3.6.1.4.1.25623.1.1.4.2018.3490.1");
script_cve_id("CVE-2018-15468", "CVE-2018-15469", "CVE-2018-15470", "CVE-2018-17963", "CVE-2018-3646");
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:"7.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2018-11-24 03:55:35 +0000 (Sat, 24 Nov 2018)");
script_name("SUSE: Security Advisory (SUSE-SU-2018:3490-1)");
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\.0SP3)");
script_xref(name:"Advisory-ID", value:"SUSE-SU-2018:3490-1");
script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2018/suse-su-20183490-1/");
script_tag(name:"summary", value:"The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2018:3490-1 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:
XEN was updated to the Xen 4.9.3 bug fix only release (bsc#1027519)
CVE-2018-17963: qemu_deliver_packet_iov accepted packet sizes greater
than INT_MAX, which allows attackers to cause a denial of service or
possibly have unspecified other impact. (bsc#1111014)
CVE-2018-15470: oxenstored might not have enforced the configured
quota-maxentity. This allowed a malicious or buggy guest to write as
many xenstore entries as it wishes, causing unbounded memory usage in
oxenstored. This can lead to a system-wide DoS. (XSA-272) (bsc#1103279)
CVE-2018-15469: ARM never properly implemented grant table v2, either in
the hypervisor or in Linux. Unfortunately, an ARM guest can still
request v2 grant tables, they will simply not be properly set up,
resulting in subsequent grant-related hypercalls hitting BUG() checks.
An unprivileged guest can cause a BUG() check in the hypervisor,
resulting in a denial-of-service (crash). (XSA-268) (bsc#1103275) Note
that SUSE does not ship ARM Xen, so we are not affected.
CVE-2018-15468: The DEBUGCTL MSR contains several debugging features,
some of which virtualise cleanly, but some do not. In particular, Branch
Trace Store is not virtualised by the processor, and software has to be
careful to configure it suitably not to lock up the core. As a result,
it must only be available to fully trusted guests. Unfortunately, in the
case that vPMU is disabled, all value checking was skipped, allowing the
guest to choose any MSR_DEBUGCTL setting it likes. A malicious or buggy
guest administrator (on Intel x86 HVM or PVH) can lock up the entire
host, causing a Denial of Service. (XSA-269) (bsc#1103276)
CVE-2018-3646: Systems with microprocessors utilizing speculative
execution and address translations may have allowed unauthorized
disclosure of information residing in the L1 data cache to an attacker
with local user access with guest OS privilege via a terminal page fault
and a side-channel analysis. (XSA-273) (bsc#1091107)
Non security issues fixed:
The affinity reporting via 'xl vcpu-list' was broken (bsc#1106263)
Kernel oops in fs/dcache.c called by d_materialise_unique() (bsc#1094508)");
script_tag(name:"affected", value:"'xen' package(s) on SUSE CaaS Platform 3.0, SUSE CaaS Platform ALL, SUSE Linux Enterprise Desktop 12-SP3, SUSE Linux Enterprise Server 12-SP3, SUSE Linux Enterprise Software Development Kit 12-SP3.");
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 == "SLES12.0SP3") {
if(!isnull(res = isrpmvuln(pkg:"xen", rpm:"xen~4.9.3_03~3.44.2", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-debugsource", rpm:"xen-debugsource~4.9.3_03~3.44.2", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-doc-html", rpm:"xen-doc-html~4.9.3_03~3.44.2", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs-32bit", rpm:"xen-libs-32bit~4.9.3_03~3.44.2", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs", rpm:"xen-libs~4.9.3_03~3.44.2", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo-32bit", rpm:"xen-libs-debuginfo-32bit~4.9.3_03~3.44.2", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo", rpm:"xen-libs-debuginfo~4.9.3_03~3.44.2", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools", rpm:"xen-tools~4.9.3_03~3.44.2", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools-debuginfo", rpm:"xen-tools-debuginfo~4.9.3_03~3.44.2", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU", rpm:"xen-tools-domU~4.9.3_03~3.44.2", rls:"SLES12.0SP3"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU-debuginfo", rpm:"xen-tools-domU-debuginfo~4.9.3_03~3.44.2", rls:"SLES12.0SP3"))) {
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
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
AI Score
Confidence
High
EPSS
Percentile
79.2%