According to the versions of the nss-softokn packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :
NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.(CVE-2020-12399)
A flaw was found in the way CHACHA20-POLY1305 was implemented in NSS. When using multi-part Chacha20, it could cause out-of-bounds reads. This issue was fixed by explicitly disabling multi-part ChaCha20 (which was not functioning correctly) and strictly enforcing tag length. The highest threat from(CVE-2020-12403)
When converting coordinates from projective to affine, the modular inversion was not performed in constant time, resulting in a possible timing-based side channel attack. This vulnerability affects Firefox < 80 and Firefox for Android < 80.(CVE-2020-12400)
Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(144169);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/06/11");
script_cve_id(
"CVE-2020-12399",
"CVE-2020-12400",
"CVE-2020-12403"
);
script_name(english:"EulerOS 2.0 SP8 : nss-softokn (EulerOS-SA-2020-2523)");
script_summary(english:"Checks the rpm output for the updated packages.");
script_set_attribute(attribute:"synopsis", value:
"The remote EulerOS host is missing multiple security updates.");
script_set_attribute(attribute:"description", value:
"According to the versions of the nss-softokn packages installed, the
EulerOS installation on the remote host is affected by the following
vulnerabilities :
- NSS has shown timing differences when performing DSA
signatures, which was exploitable and could eventually
leak private keys. This vulnerability affects
Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR <
68.9.(CVE-2020-12399)
- A flaw was found in the way CHACHA20-POLY1305 was
implemented in NSS. When using multi-part Chacha20, it
could cause out-of-bounds reads. This issue was fixed
by explicitly disabling multi-part ChaCha20 (which was
not functioning correctly) and strictly enforcing tag
length. The highest threat from(CVE-2020-12403)
- When converting coordinates from projective to affine,
the modular inversion was not performed in constant
time, resulting in a possible timing-based side channel
attack. This vulnerability affects Firefox < 80 and
Firefox for Android < 80.(CVE-2020-12400)
Note that Tenable Network Security has extracted the preceding
description block directly from the EulerOS security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.");
# https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2020-2523
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?808eccf6");
script_set_attribute(attribute:"solution", value:
"Update the affected nss-softokn packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/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:N/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-2020-12403");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"patch_publication_date", value:"2020/12/14");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/12/14");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:nss-softokn");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:nss-softokn-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:nss-softokn-freebl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:nss-softokn-freebl-devel");
script_set_attribute(attribute:"cpe", value:"cpe:/o:huawei:euleros:2.0");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Huawei Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2020-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/EulerOS/release", "Host/EulerOS/rpm-list", "Host/EulerOS/sp");
script_exclude_keys("Host/EulerOS/uvp_version");
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/EulerOS/release");
if (isnull(release) || release !~ "^EulerOS") audit(AUDIT_OS_NOT, "EulerOS");
if (release !~ "^EulerOS release 2\.0(\D|$)") audit(AUDIT_OS_NOT, "EulerOS 2.0");
sp = get_kb_item("Host/EulerOS/sp");
if (isnull(sp) || sp !~ "^(8)$") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP8");
uvp = get_kb_item("Host/EulerOS/uvp_version");
if (!empty_or_null(uvp)) audit(AUDIT_OS_NOT, "EulerOS 2.0 SP8", "EulerOS UVP " + uvp);
if (!get_kb_item("Host/EulerOS/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "aarch64" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "EulerOS", cpu);
if ("aarch64" >!< cpu) audit(AUDIT_ARCH_NOT, "aarch64", cpu);
flag = 0;
pkgs = ["nss-softokn-3.39.0-2.h3.eulerosv2r8",
"nss-softokn-devel-3.39.0-2.h3.eulerosv2r8",
"nss-softokn-freebl-3.39.0-2.h3.eulerosv2r8",
"nss-softokn-freebl-devel-3.39.0-2.h3.eulerosv2r8"];
foreach (pkg in pkgs)
if (rpm_check(release:"EulerOS-2.0", sp:"8", reference:pkg)) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
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, "nss-softokn");
}
Vendor | Product | Version | CPE |
---|---|---|---|
huawei | euleros | nss-softokn | p-cpe:/a:huawei:euleros:nss-softokn |
huawei | euleros | nss-softokn-devel | p-cpe:/a:huawei:euleros:nss-softokn-devel |
huawei | euleros | nss-softokn-freebl | p-cpe:/a:huawei:euleros:nss-softokn-freebl |
huawei | euleros | nss-softokn-freebl-devel | p-cpe:/a:huawei:euleros:nss-softokn-freebl-devel |
huawei | euleros | 2.0 | cpe:/o:huawei:euleros:2.0 |