CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
81.0%
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("1.3.6.1.4.1.25623.1.1.4.2018.1981.1");
script_cve_id("CVE-2018-12891", "CVE-2018-12892", "CVE-2018-12893", "CVE-2018-3665");
script_tag(name:"creation_date", value:"2021-06-09 14:57:43 +0000 (Wed, 09 Jun 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:"6.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:P/I:P/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/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:"2018-09-04 19:06:14 +0000 (Tue, 04 Sep 2018)");
script_name("SUSE: Security Advisory (SUSE-SU-2018:1981-1)");
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\.0)");
script_xref(name:"Advisory-ID", value:"SUSE-SU-2018:1981-1");
script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2018/suse-su-20181981-1/");
script_tag(name:"summary", value:"The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2018:1981-1 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:
Security issues fixed:
- CVE-2018-3665: Fix Lazy FP Save/Restore issue (XSA-267) (bsc#1095242).
- CVE-2018-12891: Fix possible Denial of Service (DoS) via certain PV MMU
operations that affect the entire host (XSA-264) (bsc#1097521).
- CVE-2018-12892: Fix libxl to honour the readonly flag on HVM emulated
SCSI disks (XSA-266) (bsc#1097523).
- CVE-2018-12893: Fix crash/Denial of Service (DoS) via safety check
(XSA-265) (bsc#1097522).
Bug fixes:
- bsc#1027519: Add upstream patches from January.
- bsc#1098403: Fix regression introduced by changes for bsc#1079730. A PV
domU without qcow2 and/or vfb has no qemu attached. Ignore QMP errors
for PV domUs to handle PV domUs with and without an attached qemu-xen.
- bsc#1087289: Fix xen scheduler crash.");
script_tag(name:"affected", value:"'xen' package(s) on SUSE Linux Enterprise Module for Basesystem 15, SUSE Linux Enterprise Module for Server Applications 15.");
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 == "SLES15.0") {
if(!isnull(res = isrpmvuln(pkg:"xen-debugsource", rpm:"xen-debugsource~4.10.1_06~3.3.1", rls:"SLES15.0"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs", rpm:"xen-libs~4.10.1_06~3.3.1", rls:"SLES15.0"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo", rpm:"xen-libs-debuginfo~4.10.1_06~3.3.1", rls:"SLES15.0"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU", rpm:"xen-tools-domU~4.10.1_06~3.3.1", rls:"SLES15.0"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU-debuginfo", rpm:"xen-tools-domU-debuginfo~4.10.1_06~3.3.1", rls:"SLES15.0"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen", rpm:"xen~4.10.1_06~3.3.1", rls:"SLES15.0"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-devel", rpm:"xen-devel~4.10.1_06~3.3.1", rls:"SLES15.0"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools", rpm:"xen-tools~4.10.1_06~3.3.1", rls:"SLES15.0"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xen-tools-debuginfo", rpm:"xen-tools-debuginfo~4.10.1_06~3.3.1", rls:"SLES15.0"))) {
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
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
81.0%