CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
98.1%
This update for LibVNCServer fixes the following issues :
Security issues fixed :
CVE-2018-15126: Fixed use-after-free in file transfer extension (bsc#1120114)
CVE-2018-6307: Fixed use-after-free in file transfer extension server code (bsc#1120115)
CVE-2018-20020: Fixed heap out-of-bound write inside structure in VNC client code (bsc#1120116)
CVE-2018-15127: Fixed heap out-of-bounds write in rfbserver.c (bsc#1120117)
CVE-2018-20019: Fixed multiple heap out-of-bound writes in VNC client code (bsc#1120118)
CVE-2018-20023: Fixed information disclosure through improper initialization in VNC Repeater client code (bsc#1120119)
CVE-2018-20022: Fixed information disclosure through improper initialization in VNC client code (bsc#1120120)
CVE-2018-20024: Fixed NULL pointer dereference in VNC client code (bsc#1120121)
CVE-2018-20021: Fixed infinite loop in VNC client code (bsc#1120122)
This update was imported from the SUSE:SLE-12:Update update project.
#%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-2019-45.
#
# The text description of this plugin is (C) SUSE LLC.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(121154);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");
script_cve_id("CVE-2018-15126", "CVE-2018-15127", "CVE-2018-20019", "CVE-2018-20020", "CVE-2018-20021", "CVE-2018-20022", "CVE-2018-20023", "CVE-2018-20024", "CVE-2018-6307");
script_name(english:"openSUSE Security Update : LibVNCServer (openSUSE-2019-45)");
script_summary(english:"Check for the openSUSE-2019-45 patch");
script_set_attribute(
attribute:"synopsis",
value:"The remote openSUSE host is missing a security update."
);
script_set_attribute(
attribute:"description",
value:
"This update for LibVNCServer fixes the following issues :
Security issues fixed :
- CVE-2018-15126: Fixed use-after-free in file transfer
extension (bsc#1120114)
- CVE-2018-6307: Fixed use-after-free in file transfer
extension server code (bsc#1120115)
- CVE-2018-20020: Fixed heap out-of-bound write inside
structure in VNC client code (bsc#1120116)
- CVE-2018-15127: Fixed heap out-of-bounds write in
rfbserver.c (bsc#1120117)
- CVE-2018-20019: Fixed multiple heap out-of-bound writes
in VNC client code (bsc#1120118)
- CVE-2018-20023: Fixed information disclosure through
improper initialization in VNC Repeater client code
(bsc#1120119)
- CVE-2018-20022: Fixed information disclosure through
improper initialization in VNC client code (bsc#1120120)
- CVE-2018-20024: Fixed NULL pointer dereference in VNC
client code (bsc#1120121)
- CVE-2018-20021: Fixed infinite loop in VNC client code
(bsc#1120122)
This update was imported from the SUSE:SLE-12:Update update project."
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1120114"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1120115"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1120116"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1120117"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1120118"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1120119"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1120120"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1120121"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1120122"
);
script_set_attribute(
attribute:"solution",
value:"Update the affected LibVNCServer packages."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/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: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-2018-20020");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:LibVNCServer-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:LibVNCServer-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libvncclient0");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libvncclient0-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libvncserver0");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libvncserver0-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:linuxvnc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:linuxvnc-debuginfo");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:42.3");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/12/19");
script_set_attribute(attribute:"patch_publication_date", value:"2019/01/11");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/01/14");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2019-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"SuSE Local Security Checks");
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 !~ "^(SUSE42\.3)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "42.3", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch);
flag = 0;
if ( rpm_check(release:"SUSE42.3", reference:"LibVNCServer-debugsource-0.9.9-16.6.1") ) flag++;
if ( rpm_check(release:"SUSE42.3", reference:"LibVNCServer-devel-0.9.9-16.6.1") ) flag++;
if ( rpm_check(release:"SUSE42.3", reference:"libvncclient0-0.9.9-16.6.1") ) flag++;
if ( rpm_check(release:"SUSE42.3", reference:"libvncclient0-debuginfo-0.9.9-16.6.1") ) flag++;
if ( rpm_check(release:"SUSE42.3", reference:"libvncserver0-0.9.9-16.6.1") ) flag++;
if ( rpm_check(release:"SUSE42.3", reference:"libvncserver0-debuginfo-0.9.9-16.6.1") ) flag++;
if ( rpm_check(release:"SUSE42.3", reference:"linuxvnc-0.9.9-16.6.1") ) flag++;
if ( rpm_check(release:"SUSE42.3", reference:"linuxvnc-debuginfo-0.9.9-16.6.1") ) 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, "LibVNCServer-debugsource / LibVNCServer-devel / libvncclient0 / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | opensuse | libvncserver-debugsource | p-cpe:/a:novell:opensuse:libvncserver-debugsource |
novell | opensuse | libvncserver-devel | p-cpe:/a:novell:opensuse:libvncserver-devel |
novell | opensuse | libvncclient0 | p-cpe:/a:novell:opensuse:libvncclient0 |
novell | opensuse | libvncclient0-debuginfo | p-cpe:/a:novell:opensuse:libvncclient0-debuginfo |
novell | opensuse | libvncserver0 | p-cpe:/a:novell:opensuse:libvncserver0 |
novell | opensuse | libvncserver0-debuginfo | p-cpe:/a:novell:opensuse:libvncserver0-debuginfo |
novell | opensuse | linuxvnc | p-cpe:/a:novell:opensuse:linuxvnc |
novell | opensuse | linuxvnc-debuginfo | p-cpe:/a:novell:opensuse:linuxvnc-debuginfo |
novell | opensuse | 42.3 | cpe:/o:novell:opensuse:42.3 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15126
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15127
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20019
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20020
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20021
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20022
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20023
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20024
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6307
bugzilla.opensuse.org/show_bug.cgi?id=1120114
bugzilla.opensuse.org/show_bug.cgi?id=1120115
bugzilla.opensuse.org/show_bug.cgi?id=1120116
bugzilla.opensuse.org/show_bug.cgi?id=1120117
bugzilla.opensuse.org/show_bug.cgi?id=1120118
bugzilla.opensuse.org/show_bug.cgi?id=1120119
bugzilla.opensuse.org/show_bug.cgi?id=1120120
bugzilla.opensuse.org/show_bug.cgi?id=1120121
bugzilla.opensuse.org/show_bug.cgi?id=1120122
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
98.1%