CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
78.7%
This update for MozillaFirefox fixes the following issues :
Firefox Extended Support Release 78.7.0 ESR (MFSA 2021-04, bsc#1181414)
CVE-2021-23953: Fixed a Cross-origin information leakage via redirected PDF requests
CVE-2021-23954: Fixed a type confusion when using logical assignment operators in JavaScript switch statements
CVE-2020-26976: Fixed an issue where HTTPS pages could have been intercepted by a registered service worker when they should not have been
CVE-2021-23960: Fixed a use-after-poison for incorrectly redeclared JavaScript variables during GC
CVE-2021-23964: Fixed Memory safety bugs
This update was imported from the SUSE:SLE-15:Update update project.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2021-222.
#
# The text description of this plugin is (C) SUSE LLC.
#
include("compat.inc");
if (description)
{
script_id(146513);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/03/08");
script_cve_id("CVE-2020-26976", "CVE-2021-23953", "CVE-2021-23954", "CVE-2021-23960", "CVE-2021-23964");
script_name(english:"openSUSE Security Update : MozillaFirefox (openSUSE-2021-222)");
script_summary(english:"Check for the openSUSE-2021-222 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 MozillaFirefox fixes the following issues :
- Firefox Extended Support Release 78.7.0 ESR (MFSA
2021-04, bsc#1181414)
- CVE-2021-23953: Fixed a Cross-origin information leakage
via redirected PDF requests
- CVE-2021-23954: Fixed a type confusion when using
logical assignment operators in JavaScript switch
statements
- CVE-2020-26976: Fixed an issue where HTTPS pages could
have been intercepted by a registered service worker
when they should not have been
- CVE-2021-23960: Fixed a use-after-poison for incorrectly
redeclared JavaScript variables during GC
- CVE-2021-23964: Fixed Memory safety bugs 	
This update was imported from the SUSE:SLE-15:Update update project."
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1181414"
);
script_set_attribute(
attribute:"solution",
value:"Update the affected MozillaFirefox packages."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:R/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-2021-23964");
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:MozillaFirefox");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:MozillaFirefox-branding-upstream");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:MozillaFirefox-buildsymbols");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:MozillaFirefox-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:MozillaFirefox-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:MozillaFirefox-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:MozillaFirefox-translations-common");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:MozillaFirefox-translations-other");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.1");
script_set_attribute(attribute:"vuln_publication_date", value:"2021/01/07");
script_set_attribute(attribute:"patch_publication_date", value:"2021/02/01");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/02/16");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 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 !~ "^(SUSE15\.1)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.1", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(x86_64)$") audit(AUDIT_ARCH_NOT, "x86_64", ourarch);
flag = 0;
if ( rpm_check(release:"SUSE15.1", reference:"MozillaFirefox-78.7.0-lp151.2.88.2") ) flag++;
if ( rpm_check(release:"SUSE15.1", reference:"MozillaFirefox-branding-upstream-78.7.0-lp151.2.88.2") ) flag++;
if ( rpm_check(release:"SUSE15.1", reference:"MozillaFirefox-buildsymbols-78.7.0-lp151.2.88.2") ) flag++;
if ( rpm_check(release:"SUSE15.1", reference:"MozillaFirefox-debuginfo-78.7.0-lp151.2.88.2") ) flag++;
if ( rpm_check(release:"SUSE15.1", reference:"MozillaFirefox-debugsource-78.7.0-lp151.2.88.2") ) flag++;
if ( rpm_check(release:"SUSE15.1", reference:"MozillaFirefox-devel-78.7.0-lp151.2.88.2") ) flag++;
if ( rpm_check(release:"SUSE15.1", reference:"MozillaFirefox-translations-common-78.7.0-lp151.2.88.2") ) flag++;
if ( rpm_check(release:"SUSE15.1", reference:"MozillaFirefox-translations-other-78.7.0-lp151.2.88.2") ) 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, "MozillaFirefox / MozillaFirefox-branding-upstream / etc");
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26976
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23953
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23954
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23960
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23964
bugzilla.opensuse.org/show_bug.cgi?id=1181414
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
78.7%