6.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
8.8 High
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
6.8 Medium
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
54.5%
This update for xen to version 4.12.2 fixes the following issues :
Security issues fixed :
CVE-2020-11742: Bad continuation handling in GNTTABOP_copy (bsc#1169392).
CVE-2020-11740, CVE-2020-11741: xen: XSA-313 multiple xenoprof issues (bsc#1168140).
CVE-2020-11739: Missing memory barriers in read-write unlock paths (bsc#1168142).
CVE-2020-11743: Bad error path in GNTTABOP_map_grant (bsc#1168143).
CVE-2020-7211: Fixed potential directory traversal using relative paths via tftp server on Windows host (bsc#1161181).
arm: a CPU may speculate past the ERET instruction (bsc#1160932).
Non-security issues fixed: Xenstored Crashed during VM install (bsc#1167152)
DomU hang: soft lockup CPU #0 stuck under high load (bsc#1165206, bsc#1134506)
Update API compatibility versions, fixes issues for libvirt.
(bsc#1167007, bsc#1157490)
aacraid blocks xen commands (bsc#1155200)
Problems Booting Fedora31 VM on sles15 sp1 Xen Dom0 (bsc#1162040).
Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2020:1139-1.
# The text itself is copyright (C) SUSE.
#
include('compat.inc');
if (description)
{
script_id(136164);
script_version("1.7");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/14");
script_cve_id(
"CVE-2020-11739",
"CVE-2020-11740",
"CVE-2020-11741",
"CVE-2020-11742",
"CVE-2020-11743",
"CVE-2020-7211"
);
script_xref(name:"IAVB", value:"2019-B-0091-S");
script_xref(name:"IAVB", value:"2020-B-0023-S");
script_name(english:"SUSE SLES12 Security Update : xen (SUSE-SU-2020:1139-1)");
script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"This update for xen to version 4.12.2 fixes the following issues :
Security issues fixed :
CVE-2020-11742: Bad continuation handling in GNTTABOP_copy
(bsc#1169392).
CVE-2020-11740, CVE-2020-11741: xen: XSA-313 multiple xenoprof issues
(bsc#1168140).
CVE-2020-11739: Missing memory barriers in read-write unlock paths
(bsc#1168142).
CVE-2020-11743: Bad error path in GNTTABOP_map_grant (bsc#1168143).
CVE-2020-7211: Fixed potential directory traversal using relative
paths via tftp server on Windows host (bsc#1161181).
arm: a CPU may speculate past the ERET instruction (bsc#1160932).
Non-security issues fixed: Xenstored Crashed during VM install
(bsc#1167152)
DomU hang: soft lockup CPU #0 stuck under high load (bsc#1165206,
bsc#1134506)
Update API compatibility versions, fixes issues for libvirt.
(bsc#1167007, bsc#1157490)
aacraid blocks xen commands (bsc#1155200)
Problems Booting Fedora31 VM on sles15 sp1 Xen Dom0 (bsc#1162040).
Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1027519");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1134506");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1155200");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1157490");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1160932");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1161181");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1162040");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1165206");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1167007");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1167152");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1168140");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1168142");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1168143");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1169392");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-11739/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-11740/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-11741/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-11742/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-11743/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-7211/");
# https://www.suse.com/support/update/announcement/2020/suse-su-20201139-1/
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?032927e4");
script_set_attribute(attribute:"solution", value:
"To install this SUSE 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 :
SUSE Linux Enterprise Software Development Kit 12-SP5:zypper in -t
patch SUSE-SLE-SDK-12-SP5-2020-1139=1
SUSE Linux Enterprise Server 12-SP5:zypper in -t patch
SUSE-SLE-SERVER-12-SP5-2020-1139=1");
script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-11741");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/01/21");
script_set_attribute(attribute:"patch_publication_date", value:"2020/04/29");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/04/30");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-doc-html");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-libs-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-tools-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-tools-domU");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xen-tools-domU-debuginfo");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"SuSE Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES12", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);
if (cpu >!< "x86_64") audit(AUDIT_ARCH_NOT, "x86_64", cpu);
sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES12" && (! preg(pattern:"^(5)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP5", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES12", sp:"5", cpu:"x86_64", reference:"xen-4.12.2_04-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", cpu:"x86_64", reference:"xen-debugsource-4.12.2_04-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", cpu:"x86_64", reference:"xen-doc-html-4.12.2_04-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", cpu:"x86_64", reference:"xen-libs-32bit-4.12.2_04-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", cpu:"x86_64", reference:"xen-libs-4.12.2_04-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", cpu:"x86_64", reference:"xen-libs-debuginfo-32bit-4.12.2_04-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", cpu:"x86_64", reference:"xen-libs-debuginfo-4.12.2_04-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", cpu:"x86_64", reference:"xen-tools-4.12.2_04-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", cpu:"x86_64", reference:"xen-tools-debuginfo-4.12.2_04-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", cpu:"x86_64", reference:"xen-tools-domU-4.12.2_04-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", cpu:"x86_64", reference:"xen-tools-domU-debuginfo-4.12.2_04-3.11.1")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
else security_warning(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "xen");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | xen | p-cpe:/a:novell:suse_linux:xen |
novell | suse_linux | xen-debugsource | p-cpe:/a:novell:suse_linux:xen-debugsource |
novell | suse_linux | xen-doc-html | p-cpe:/a:novell:suse_linux:xen-doc-html |
novell | suse_linux | xen-libs | p-cpe:/a:novell:suse_linux:xen-libs |
novell | suse_linux | xen-libs-debuginfo | p-cpe:/a:novell:suse_linux:xen-libs-debuginfo |
novell | suse_linux | xen-tools | p-cpe:/a:novell:suse_linux:xen-tools |
novell | suse_linux | xen-tools-debuginfo | p-cpe:/a:novell:suse_linux:xen-tools-debuginfo |
novell | suse_linux | xen-tools-domu | p-cpe:/a:novell:suse_linux:xen-tools-domu |
novell | suse_linux | xen-tools-domu-debuginfo | p-cpe:/a:novell:suse_linux:xen-tools-domu-debuginfo |
novell | suse_linux | 12 | cpe:/o:novell:suse_linux:12 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11739
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11740
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11741
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11742
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11743
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7211
www.nessus.org/u?032927e4
bugzilla.suse.com/show_bug.cgi?id=1027519
bugzilla.suse.com/show_bug.cgi?id=1134506
bugzilla.suse.com/show_bug.cgi?id=1155200
bugzilla.suse.com/show_bug.cgi?id=1157490
bugzilla.suse.com/show_bug.cgi?id=1160932
bugzilla.suse.com/show_bug.cgi?id=1161181
bugzilla.suse.com/show_bug.cgi?id=1162040
bugzilla.suse.com/show_bug.cgi?id=1165206
bugzilla.suse.com/show_bug.cgi?id=1167007
bugzilla.suse.com/show_bug.cgi?id=1167152
bugzilla.suse.com/show_bug.cgi?id=1168140
bugzilla.suse.com/show_bug.cgi?id=1168142
bugzilla.suse.com/show_bug.cgi?id=1168143
bugzilla.suse.com/show_bug.cgi?id=1169392
www.suse.com/security/cve/CVE-2020-11739/
www.suse.com/security/cve/CVE-2020-11740/
www.suse.com/security/cve/CVE-2020-11741/
www.suse.com/security/cve/CVE-2020-11742/
www.suse.com/security/cve/CVE-2020-11743/
www.suse.com/security/cve/CVE-2020-7211/
6.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
8.8 High
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
6.8 Medium
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
54.5%