CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
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
91.4%
Security Fix(es) :
Mozilla: Use-after-free while running the nsDocShell destructor (CVE-2020-6819)
Mozilla: Use-after-free when handling a ReadableStream (CVE-2020-6820)
Mozilla: Uninitialized memory could be read when using the WebGL copyTexSubImage method (CVE-2020-6821)
Mozilla: Memory safety bugs fixed in Firefox 75 and Firefox ESR 68.7 (CVE-2020-6825)
Mozilla: Out of bounds write in GMPDecodeData when processing large images (CVE-2020-6822)
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text is (C) Scientific Linux.
#
include("compat.inc");
if (description)
{
script_id(135716);
script_version("1.9");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/12/06");
script_cve_id("CVE-2020-6819", "CVE-2020-6820", "CVE-2020-6821", "CVE-2020-6822", "CVE-2020-6825");
script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/05/03");
script_xref(name:"CEA-ID", value:"CEA-2020-0032");
script_name(english:"Scientific Linux Security Update : thunderbird on SL6.x i386/x86_64 (20200416)");
script_summary(english:"Checks rpm output for the updated packages");
script_set_attribute(
attribute:"synopsis",
value:
"The remote Scientific Linux host is missing one or more security
updates."
);
script_set_attribute(
attribute:"description",
value:
"Security Fix(es) :
- Mozilla: Use-after-free while running the nsDocShell
destructor (CVE-2020-6819)
- Mozilla: Use-after-free when handling a ReadableStream
(CVE-2020-6820)
- Mozilla: Uninitialized memory could be read when using
the WebGL copyTexSubImage method (CVE-2020-6821)
- Mozilla: Memory safety bugs fixed in Firefox 75 and
Firefox ESR 68.7 (CVE-2020-6825)
- Mozilla: Out of bounds write in GMPDecodeData when
processing large images (CVE-2020-6822)"
);
# https://listserv.fnal.gov/scripts/wa.exe?A2=ind2004&L=SCIENTIFIC-LINUX-ERRATA&P=2017
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?39391896"
);
script_set_attribute(
attribute:"solution",
value:
"Update the affected thunderbird and / or thunderbird-debuginfo
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:H/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:H/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-6825");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:thunderbird");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:thunderbird-debuginfo");
script_set_attribute(attribute:"cpe", value:"x-cpe:/o:fermilab:scientific_linux");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/04/24");
script_set_attribute(attribute:"patch_publication_date", value:"2020/04/16");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/04/17");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2020-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Scientific Linux Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/RedHat/release", "Host/RedHat/rpm-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Scientific Linux " >!< release) audit(AUDIT_HOST_NOT, "running Scientific Linux");
os_ver = pregmatch(pattern: "Scientific Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Scientific Linux");
os_ver = os_ver[1];
if (! preg(pattern:"^6([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Scientific Linux 6.x", "Scientific Linux " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu >!< "x86_64" && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Scientific Linux", cpu);
flag = 0;
if (rpm_check(release:"SL6", reference:"thunderbird-68.7.0-1.el6_10", allowmaj:TRUE)) flag++;
if (rpm_check(release:"SL6", reference:"thunderbird-debuginfo-68.7.0-1.el6_10", allowmaj:TRUE)) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : rpm_report_get()
);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "thunderbird / thunderbird-debuginfo");
}
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
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
91.4%