6.8 Medium
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
8.8 High
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
0.003 Low
EPSS
Percentile
67.8%
This update for MozillaFirefox fixes the following issues :
Firefox was updated to 78.9.0 ESR (MFSA 2021-11, bsc#1183942)
CVE-2021-23981: Texture upload into an unbound backing buffer resulted in an out-of-bound read
CVE-2021-23982: Internal network hosts could have been probed by a malicious webpage
CVE-2021-23984: Malicious extensions could have spoofed popup information
CVE-2021-23987: Memory safety bugs
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.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2021:0966-1.
# The text itself is copyright (C) SUSE.
#
include("compat.inc");
if (description)
{
script_id(148226);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/06/03");
script_cve_id("CVE-2021-23981", "CVE-2021-23982", "CVE-2021-23984", "CVE-2021-23987");
script_xref(name:"IAVA", value:"2021-A-0144-S");
script_name(english:"SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:0966-1)");
script_summary(english:"Checks rpm output for the updated packages.");
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 MozillaFirefox fixes the following issues :
Firefox was updated to 78.9.0 ESR (MFSA 2021-11, bsc#1183942)
- CVE-2021-23981: Texture upload into an unbound backing
buffer resulted in an out-of-bound read
- CVE-2021-23982: Internal network hosts could have been
probed by a malicious webpage
- CVE-2021-23984: Malicious extensions could have spoofed
popup information
- CVE-2021-23987: Memory safety bugs
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=1183942"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2021-23981/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2021-23982/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2021-23984/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2021-23987/"
);
# https://www.suse.com/support/update/announcement/2021/suse-su-20210966-1
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?d5376e11"
);
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 Desktop Applications 15-SP3 :
zypper in -t patch
SUSE-SLE-Module-Desktop-Applications-15-SP3-2021-966=1
SUSE Linux Enterprise Module for Desktop Applications 15-SP2 :
zypper in -t patch
SUSE-SLE-Module-Desktop-Applications-15-SP2-2021-966=1"
);
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-2021-23987");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:MozillaFirefox");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:MozillaFirefox-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:MozillaFirefox-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:MozillaFirefox-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:MozillaFirefox-translations-common");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:MozillaFirefox-translations-other");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
script_set_attribute(attribute:"vuln_publication_date", value:"2021/03/31");
script_set_attribute(attribute:"patch_publication_date", value:"2021/03/29");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/03/30");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_set_attribute(attribute:"stig_severity", value:"I");
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/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", cpu:"x86_64", reference:"MozillaFirefox-devel-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLES15", sp:"3", reference:"MozillaFirefox-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLES15", sp:"3", reference:"MozillaFirefox-debuginfo-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLES15", sp:"3", reference:"MozillaFirefox-debugsource-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLES15", sp:"3", reference:"MozillaFirefox-translations-common-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLES15", sp:"3", reference:"MozillaFirefox-translations-other-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"MozillaFirefox-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"MozillaFirefox-debuginfo-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"MozillaFirefox-debugsource-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"MozillaFirefox-devel-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"MozillaFirefox-translations-common-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"MozillaFirefox-translations-other-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", cpu:"x86_64", reference:"MozillaFirefox-devel-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"MozillaFirefox-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"MozillaFirefox-debuginfo-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"MozillaFirefox-debugsource-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"MozillaFirefox-translations-common-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"MozillaFirefox-translations-other-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"MozillaFirefox-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"MozillaFirefox-debuginfo-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"MozillaFirefox-debugsource-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"MozillaFirefox-devel-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"MozillaFirefox-translations-common-78.9.0-8.35.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"MozillaFirefox-translations-other-78.9.0-8.35.1")) 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, "MozillaFirefox");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | mozillafirefox | p-cpe:/a:novell:suse_linux:mozillafirefox |
novell | suse_linux | mozillafirefox-debuginfo | p-cpe:/a:novell:suse_linux:mozillafirefox-debuginfo |
novell | suse_linux | mozillafirefox-debugsource | p-cpe:/a:novell:suse_linux:mozillafirefox-debugsource |
novell | suse_linux | mozillafirefox-devel | p-cpe:/a:novell:suse_linux:mozillafirefox-devel |
novell | suse_linux | mozillafirefox-translations-common | p-cpe:/a:novell:suse_linux:mozillafirefox-translations-common |
novell | suse_linux | mozillafirefox-translations-other | p-cpe:/a:novell:suse_linux:mozillafirefox-translations-other |
novell | suse_linux | 15 | cpe:/o:novell:suse_linux:15 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23981
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23982
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23984
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23987
www.nessus.org/u?d5376e11
bugzilla.suse.com/show_bug.cgi?id=1183942
www.suse.com/security/cve/CVE-2021-23981/
www.suse.com/security/cve/CVE-2021-23982/
www.suse.com/security/cve/CVE-2021-23984/
www.suse.com/security/cve/CVE-2021-23987/
6.8 Medium
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
8.8 High
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
0.003 Low
EPSS
Percentile
67.8%