SUSE SLES15 Security Update for dnsmasq to fix DNSpooq, Cache Poisoning, Heap-based overflows, and SERVFAIL issue
Reporter | Title | Published | Views | Family All 199 |
---|---|---|---|---|
![]() | RHEL 8 : dnsmasq (RHSA-2021:0150) | 19 Jan 202100:00 | – | nessus |
![]() | EulerOS Virtualization for ARM 64 3.0.2.0 : dnsmasq (EulerOS-SA-2021-1389) | 10 Mar 202100:00 | – | nessus |
![]() | RHEL 8 : dnsmasq (RHSA-2021:0152) | 19 Jan 202100:00 | – | nessus |
![]() | SUSE SLES12 Security Update : dnsmasq (SUSE-SU-2021:0166-1) | 20 Jan 202100:00 | – | nessus |
![]() | NewStart CGSL MAIN 6.02 : dnsmasq Multiple Vulnerabilities (NS-SA-2021-0125) | 27 Oct 202100:00 | – | nessus |
![]() | dnsmasq < 2.83 Multiple Vulnerabilities (DNSPOOQ) | 19 Jan 202100:00 | – | nessus |
![]() | Fedora 33 : dnsmasq (2021-84440e87ba) | 21 Jan 202100:00 | – | nessus |
![]() | openSUSE Security Update : dnsmasq (openSUSE-2021-129) | 25 Jan 202100:00 | – | nessus |
![]() | EulerOS 2.0 SP8 : dnsmasq (EulerOS-SA-2021-1138) | 1 Feb 202100:00 | – | nessus |
![]() | Fedora 32 : dnsmasq (2021-2e4c3d5a9d) | 19 Apr 202100:00 | – | nessus |
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2021:0162-1.
# The text itself is copyright (C) SUSE.
#
include('compat.inc');
if (description)
{
script_id(145199);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/12/07");
script_cve_id(
"CVE-2020-25681",
"CVE-2020-25682",
"CVE-2020-25683",
"CVE-2020-25684",
"CVE-2020-25685",
"CVE-2020-25686",
"CVE-2020-25687"
);
script_xref(name:"CEA-ID", value:"CEA-2021-0003");
script_name(english:"SUSE SLES15 Security Update : dnsmasq (SUSE-SU-2021:0162-1)");
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 dnsmasq fixes the following issues :
bsc#1177077: Fixed DNSpooq vulnerabilities
CVE-2020-25684, CVE-2020-25685, CVE-2020-25686: Fixed multiple Cache
Poisoning attacks.
CVE-2020-25681, CVE-2020-25682, CVE-2020-25683, CVE-2020-25687: Fixed
multiple potential Heap-based overflows when DNSSEC is enabled.
Retry query to other servers on receipt of SERVFAIL rcode
(bsc#1176076)
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=1176076");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1177077");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25681/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25682/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25683/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25684/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25685/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25686/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25687/");
# https://www.suse.com/support/update/announcement/2021/suse-su-20210162-1
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?882d5276");
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 Server for SAP 15 :
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-162=1
SUSE Linux Enterprise Server 15-LTSS :
zypper in -t patch SUSE-SLE-Product-SLES-15-2021-162=1
SUSE Linux Enterprise High Performance Computing 15-LTSS :
zypper in -t patch SUSE-SLE-Product-HPC-15-2021-162=1
SUSE Linux Enterprise High Performance Computing 15-ESPOS :
zypper in -t patch SUSE-SLE-Product-HPC-15-2021-162=1");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:N/AC:H/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-2020-25682");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2021/01/20");
script_set_attribute(attribute:"patch_publication_date", value:"2021/01/19");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/01/20");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dnsmasq");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dnsmasq-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:dnsmasq-debugsource");
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) 2021-2022 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:"^(SLES15)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES15", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);
if (cpu >!< "s390x") audit(AUDIT_ARCH_NOT, "s390x", cpu);
sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES15" && (! preg(pattern:"^(0)$", string:sp))) audit(AUDIT_OS_NOT, "SLES15 SP0", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES15", sp:"0", cpu:"s390x", reference:"dnsmasq-2.78-3.11.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", cpu:"s390x", reference:"dnsmasq-debuginfo-2.78-3.11.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", cpu:"s390x", reference:"dnsmasq-debugsource-2.78-3.11.1")) 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, "dnsmasq");
}
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