CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
74.6%
This update for lxc, lxcfs to version 3.1.0 fixes the following issues :
Security issues fixed :
CVE-2019-5736: Fixed a container breakout vulnerability (boo#1122185).
CVE-2018-6556: Enable setuid bit on lxc-user-nic (boo#988348).
Non-security issues fixed :
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2019-1275.
#
# The text description of this plugin is (C) SUSE LLC.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(124312);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/31");
script_cve_id("CVE-2018-6556", "CVE-2019-5736");
script_name(english:"openSUSE Security Update : lxc / lxcfs (openSUSE-2019-1275)");
script_set_attribute(attribute:"synopsis", value:
"The remote openSUSE host is missing a security update.");
script_set_attribute(attribute:"description", value:
"This update for lxc, lxcfs to version 3.1.0 fixes the following
issues :
Security issues fixed :
- CVE-2019-5736: Fixed a container breakout vulnerability
(boo#1122185).
- CVE-2018-6556: Enable setuid bit on lxc-user-nic
(boo#988348).
Non-security issues fixed :
- Update to LXC 3.1.0. The changelog is far too long to
include here, please look at
https://linuxcontainers.org/. (boo#1131762)");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1122185");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1131762");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=988348");
script_set_attribute(attribute:"see_also", value:"https://linuxcontainers.org/.");
script_set_attribute(attribute:"solution", value:
"Update the affected lxc / lxcfs packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-5736");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"exploited_by_malware", value:"true");
script_set_attribute(attribute:"metasploit_name", value:'Docker Container Escape Via runC Overwrite');
script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/08/10");
script_set_attribute(attribute:"patch_publication_date", value:"2019/04/25");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/04/26");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:liblxc-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:liblxc1");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:liblxc1-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:lxc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:lxc-bash-completion");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:lxc-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:lxc-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:lxcfs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:lxcfs-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:lxcfs-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:lxcfs-hooks-lxc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:pam_cgfs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:pam_cgfs-debuginfo");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.0");
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) 2019-2024 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\.0)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.0", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(x86_64)$") audit(AUDIT_ARCH_NOT, "x86_64", ourarch);
flag = 0;
if ( rpm_check(release:"SUSE15.0", reference:"liblxc-devel-3.1.0-lp150.2.10.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"liblxc1-3.1.0-lp150.2.10.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"liblxc1-debuginfo-3.1.0-lp150.2.10.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"lxc-3.1.0-lp150.2.10.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"lxc-bash-completion-3.1.0-lp150.2.10.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"lxc-debuginfo-3.1.0-lp150.2.10.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"lxc-debugsource-3.1.0-lp150.2.10.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"lxcfs-3.0.3-lp150.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"lxcfs-debuginfo-3.0.3-lp150.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"lxcfs-debugsource-3.0.3-lp150.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"lxcfs-hooks-lxc-3.0.3-lp150.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"pam_cgfs-3.1.0-lp150.2.10.1") ) flag++;
if ( rpm_check(release:"SUSE15.0", reference:"pam_cgfs-debuginfo-3.1.0-lp150.2.10.1") ) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
else security_hole(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "liblxc-devel / liblxc1 / liblxc1-debuginfo / lxc / etc");
}
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
74.6%