6.1 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:P/I:P/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.1 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
14.2%
This update for xen fixes the following issues :
CVE-2020-25602: Fixed an issue where there was a crash when handling guest access to MSR_MISC_ENABLE was thrown (bsc#1176339,XSA-333)
CVE-2020-25598: Added a missing unlock in XENMEM_acquire_resource error path (bsc#1176341,XSA-334)
CVE-2020-25604: Fixed a race condition when migrating timers between x86 HVM vCPU-s (bsc#1176343,XSA-336)
CVE-2020-25595: Fixed an issue where PCI passthrough code was reading back hardware registers (bsc#1176344,XSA-337)
CVE-2020-25597: Fixed an issue where a valid event channels may not turn invalid (bsc#1176346,XSA-338)
CVE-2020-25596: Fixed a potential denial of service in x86 pv guest kernel via SYSENTER (bsc#1176345,XSA-339)
CVE-2020-25603: Fixed an issue due to missing barriers when accessing/allocating an event channel (bsc#1176347,XSA-340)
CVE-2020-25600: Fixed out of bounds event channels available to 32-bit x86 domains (bsc#1176348,XSA-342)
CVE-2020-25599: Fixed race conditions with evtchn_reset() (bsc#1176349,XSA-343)
CVE-2020-25601: Fixed an issue due to lack of preemption in evtchn_reset() / evtchn_destroy() (bsc#1176350,XSA-344)
Various other fixes (bsc#1027519)
This update was imported from the SUSE:SLE-15-SP2:Update update project.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2020-1608.
#
# The text description of this plugin is (C) SUSE LLC.
#
include('compat.inc');
if (description)
{
script_id(141168);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/16");
script_cve_id(
"CVE-2020-25595",
"CVE-2020-25596",
"CVE-2020-25597",
"CVE-2020-25598",
"CVE-2020-25599",
"CVE-2020-25600",
"CVE-2020-25601",
"CVE-2020-25602",
"CVE-2020-25603",
"CVE-2020-25604"
);
script_name(english:"openSUSE Security Update : xen (openSUSE-2020-1608)");
script_set_attribute(attribute:"synopsis", value:
"The remote openSUSE host is missing a security update.");
script_set_attribute(attribute:"description", value:
"This update for xen fixes the following issues :
- CVE-2020-25602: Fixed an issue where there was a crash
when handling guest access to MSR_MISC_ENABLE was thrown
(bsc#1176339,XSA-333)
- CVE-2020-25598: Added a missing unlock in
XENMEM_acquire_resource error path (bsc#1176341,XSA-334)
- CVE-2020-25604: Fixed a race condition when migrating
timers between x86 HVM vCPU-s (bsc#1176343,XSA-336)
- CVE-2020-25595: Fixed an issue where PCI passthrough
code was reading back hardware registers
(bsc#1176344,XSA-337)
- CVE-2020-25597: Fixed an issue where a valid event
channels may not turn invalid (bsc#1176346,XSA-338)
- CVE-2020-25596: Fixed a potential denial of service in
x86 pv guest kernel via SYSENTER (bsc#1176345,XSA-339)
- CVE-2020-25603: Fixed an issue due to missing barriers
when accessing/allocating an event channel
(bsc#1176347,XSA-340)
- CVE-2020-25600: Fixed out of bounds event channels
available to 32-bit x86 domains (bsc#1176348,XSA-342)
- CVE-2020-25599: Fixed race conditions with
evtchn_reset() (bsc#1176349,XSA-343)
- CVE-2020-25601: Fixed an issue due to lack of preemption
in evtchn_reset() / evtchn_destroy()
(bsc#1176350,XSA-344)
- Various other fixes (bsc#1027519)
This update was imported from the SUSE:SLE-15-SP2:Update update
project.");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1027519");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1176339");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1176341");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1176343");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1176344");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1176345");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1176346");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1176347");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1176348");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1176349");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1176350");
script_set_attribute(attribute:"solution", value:
"Update the affected xen packages.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-25597");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2020-25603");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/09/23");
script_set_attribute(attribute:"patch_publication_date", value:"2020/10/04");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/10/05");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-doc-html");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-libs-32bit");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-libs-32bit-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-libs-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-tools-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-tools-domU");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-tools-domU-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:xen-tools-xendomains-wait-disk");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.2");
script_set_attribute(attribute:"generated_plugin", value:"current");
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/SuSE/release", "Host/SuSE/rpm-list", "Host/cpu");
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, "openSUSE");
if (release !~ "^(SUSE15\.2)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.2", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch);
flag = 0;
if ( rpm_check(release:"SUSE15.2", reference:"xen-debugsource-4.13.1_08-lp152.2.9.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"xen-devel-4.13.1_08-lp152.2.9.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"xen-libs-4.13.1_08-lp152.2.9.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"xen-libs-debuginfo-4.13.1_08-lp152.2.9.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"xen-tools-domU-4.13.1_08-lp152.2.9.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"xen-tools-domU-debuginfo-4.13.1_08-lp152.2.9.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"xen-tools-xendomains-wait-disk-4.13.1_08-lp152.2.9.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", cpu:"x86_64", reference:"xen-4.13.1_08-lp152.2.9.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", cpu:"x86_64", reference:"xen-doc-html-4.13.1_08-lp152.2.9.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", cpu:"x86_64", reference:"xen-libs-32bit-4.13.1_08-lp152.2.9.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", cpu:"x86_64", reference:"xen-libs-32bit-debuginfo-4.13.1_08-lp152.2.9.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", cpu:"x86_64", reference:"xen-tools-4.13.1_08-lp152.2.9.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", cpu:"x86_64", reference:"xen-tools-debuginfo-4.13.1_08-lp152.2.9.1") ) 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 / xen-debugsource / xen-devel / xen-doc-html / xen-libs / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | opensuse | xen | p-cpe:/a:novell:opensuse:xen |
novell | opensuse | xen-debugsource | p-cpe:/a:novell:opensuse:xen-debugsource |
novell | opensuse | xen-devel | p-cpe:/a:novell:opensuse:xen-devel |
novell | opensuse | xen-doc-html | p-cpe:/a:novell:opensuse:xen-doc-html |
novell | opensuse | xen-libs | p-cpe:/a:novell:opensuse:xen-libs |
novell | opensuse | xen-libs-32bit | p-cpe:/a:novell:opensuse:xen-libs-32bit |
novell | opensuse | xen-libs-32bit-debuginfo | p-cpe:/a:novell:opensuse:xen-libs-32bit-debuginfo |
novell | opensuse | xen-libs-debuginfo | p-cpe:/a:novell:opensuse:xen-libs-debuginfo |
novell | opensuse | xen-tools | p-cpe:/a:novell:opensuse:xen-tools |
novell | opensuse | xen-tools-debuginfo | p-cpe:/a:novell:opensuse:xen-tools-debuginfo |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25595
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25596
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25597
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25598
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25599
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25600
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25601
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25602
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25603
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25604
bugzilla.opensuse.org/show_bug.cgi?id=1027519
bugzilla.opensuse.org/show_bug.cgi?id=1176339
bugzilla.opensuse.org/show_bug.cgi?id=1176341
bugzilla.opensuse.org/show_bug.cgi?id=1176343
bugzilla.opensuse.org/show_bug.cgi?id=1176344
bugzilla.opensuse.org/show_bug.cgi?id=1176345
bugzilla.opensuse.org/show_bug.cgi?id=1176346
bugzilla.opensuse.org/show_bug.cgi?id=1176347
bugzilla.opensuse.org/show_bug.cgi?id=1176348
bugzilla.opensuse.org/show_bug.cgi?id=1176349
bugzilla.opensuse.org/show_bug.cgi?id=1176350
6.1 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:P/I:P/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.1 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
14.2%