CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AI Score
Confidence
Low
EPSS
Percentile
90.9%
This update for openvpn fixes the following issues :
CVE-2020-15078: Fixed authentication bypass with deferred authentication (bsc#1185279).
CVE-2020-11810: Fixed race condition between allocating peer-id and initializing data channel key (bsc#1169925).
CVE-2018-7544: Fixed cross-protocol scripting issue that was discovered in the management interface (bsc#1085803).
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.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2021:1577-1.
# The text itself is copyright (C) SUSE.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(149458);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/02");
script_cve_id("CVE-2018-7544", "CVE-2020-11810", "CVE-2020-15078");
script_name(english:"SUSE SLED15 / SLES15 Security Update : openvpn (SUSE-SU-2021:1577-1)");
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 openvpn fixes the following issues :
CVE-2020-15078: Fixed authentication bypass with deferred
authentication (bsc#1185279).
CVE-2020-11810: Fixed race condition between allocating peer-id and
initializing data channel key (bsc#1169925).
CVE-2018-7544: Fixed cross-protocol scripting issue that was
discovered in the management interface (bsc#1085803).
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=1085803");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1169925");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1185279");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-7544/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-11810/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-15078/");
# https://www.suse.com/support/update/announcement/2021/suse-su-20211577-1
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?9b62fa32");
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 Module for Basesystem 15-SP3 :
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-1577=1
SUSE Linux Enterprise Module for Basesystem 15-SP2 :
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-1577=1");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:P");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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-2018-7544");
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:"2018/03/16");
script_set_attribute(attribute:"patch_publication_date", value:"2021/05/12");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/05/13");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openvpn");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openvpn-auth-pam-plugin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openvpn-auth-pam-plugin-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openvpn-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openvpn-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openvpn-devel");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
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) 2021-2024 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:"^(SLED15|SLES15)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED15 / SLES15", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);
sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES15" && (! preg(pattern:"^(2|3)$", string:sp))) audit(AUDIT_OS_NOT, "SLES15 SP2/3", os_ver + " SP" + sp);
if (os_ver == "SLED15" && (! preg(pattern:"^(2|3)$", string:sp))) audit(AUDIT_OS_NOT, "SLED15 SP2/3", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES15", sp:"3", reference:"openvpn-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLES15", sp:"3", reference:"openvpn-auth-pam-plugin-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLES15", sp:"3", reference:"openvpn-auth-pam-plugin-debuginfo-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLES15", sp:"3", reference:"openvpn-debuginfo-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLES15", sp:"3", reference:"openvpn-debugsource-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLES15", sp:"3", reference:"openvpn-devel-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"openvpn-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"openvpn-auth-pam-plugin-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"openvpn-auth-pam-plugin-debuginfo-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"openvpn-debuginfo-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"openvpn-debugsource-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"openvpn-devel-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"openvpn-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"openvpn-auth-pam-plugin-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"openvpn-auth-pam-plugin-debuginfo-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"openvpn-debuginfo-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"openvpn-debugsource-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"openvpn-devel-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"openvpn-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"openvpn-auth-pam-plugin-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"openvpn-auth-pam-plugin-debuginfo-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"openvpn-debuginfo-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"openvpn-debugsource-2.4.3-5.7.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"openvpn-devel-2.4.3-5.7.1")) 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, "openvpn");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | openvpn | p-cpe:/a:novell:suse_linux:openvpn |
novell | suse_linux | openvpn-auth-pam-plugin | p-cpe:/a:novell:suse_linux:openvpn-auth-pam-plugin |
novell | suse_linux | openvpn-auth-pam-plugin-debuginfo | p-cpe:/a:novell:suse_linux:openvpn-auth-pam-plugin-debuginfo |
novell | suse_linux | openvpn-debuginfo | p-cpe:/a:novell:suse_linux:openvpn-debuginfo |
novell | suse_linux | openvpn-debugsource | p-cpe:/a:novell:suse_linux:openvpn-debugsource |
novell | suse_linux | openvpn-devel | p-cpe:/a:novell:suse_linux:openvpn-devel |
novell | suse_linux | 15 | cpe:/o:novell:suse_linux:15 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7544
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11810
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15078
www.nessus.org/u?9b62fa32
bugzilla.suse.com/show_bug.cgi?id=1085803
bugzilla.suse.com/show_bug.cgi?id=1169925
bugzilla.suse.com/show_bug.cgi?id=1185279
www.suse.com/security/cve/CVE-2018-7544/
www.suse.com/security/cve/CVE-2020-11810/
www.suse.com/security/cve/CVE-2020-15078/
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AI Score
Confidence
Low
EPSS
Percentile
90.9%