According to the version of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :
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(145734);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/25");
script_cve_id("CVE-2020-14145");
script_name(english:"EulerOS 2.0 SP8 : openssh (EulerOS-SA-2021-1159)");
script_set_attribute(attribute:"synopsis", value:
"The remote EulerOS host is missing a security update.");
script_set_attribute(attribute:"description", value:
"According to the version of the openssh packages installed, the
EulerOS installation on the remote host is affected by the following
vulnerability :
- The client side in OpenSSH 5.7 through 8.3 has an
Observable Discrepancy leading to an information leak
in the algorithm negotiation. This allows
man-in-the-middle attackers to target initial
connection attempts (where no host key for the server
has been cached by the client).(CVE-2020-14145)
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-2021-1159
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?d875eb64");
script_set_attribute(attribute:"solution", value:
"Update the affected openssh package.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N");
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:N/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-14145");
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:"2021/02/01");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/02/01");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:openssh");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:openssh-askpass");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:openssh-cavs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:openssh-clients");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:openssh-keycat");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:openssh-ldap");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:openssh-server");
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) 2021-2024 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 = ["openssh-7.8p1-3.h42.eulerosv2r8",
"openssh-askpass-7.8p1-3.h42.eulerosv2r8",
"openssh-cavs-7.8p1-3.h42.eulerosv2r8",
"openssh-clients-7.8p1-3.h42.eulerosv2r8",
"openssh-keycat-7.8p1-3.h42.eulerosv2r8",
"openssh-ldap-7.8p1-3.h42.eulerosv2r8",
"openssh-server-7.8p1-3.h42.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, "openssh");
}
Vendor | Product | Version | CPE |
---|---|---|---|
huawei | euleros | openssh | p-cpe:/a:huawei:euleros:openssh |
huawei | euleros | openssh-askpass | p-cpe:/a:huawei:euleros:openssh-askpass |
huawei | euleros | openssh-cavs | p-cpe:/a:huawei:euleros:openssh-cavs |
huawei | euleros | openssh-clients | p-cpe:/a:huawei:euleros:openssh-clients |
huawei | euleros | openssh-keycat | p-cpe:/a:huawei:euleros:openssh-keycat |
huawei | euleros | openssh-ldap | p-cpe:/a:huawei:euleros:openssh-ldap |
huawei | euleros | openssh-server | p-cpe:/a:huawei:euleros:openssh-server |
huawei | euleros | 2.0 | cpe:/o:huawei:euleros:2.0 |