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
AI Score
Confidence
High
EPSS
Percentile
81.4%
The remote host is missing an update for the Huawei EulerOS
# SPDX-FileCopyrightText: 2023 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.1.2.2023.1080");
script_cve_id("CVE-2021-43527");
script_tag(name:"creation_date", value:"2023-01-09 15:11:01 +0000 (Mon, 09 Jan 2023)");
script_version("2024-02-05T14:36:57+0000");
script_tag(name:"last_modification", value:"2024-02-05 14:36:57 +0000 (Mon, 05 Feb 2024)");
script_tag(name:"cvss_base", value:"7.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-12-16 14:32:02 +0000 (Thu, 16 Dec 2021)");
script_name("Huawei EulerOS: Security Advisory for nss (EulerOS-SA-2023-1080)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2023 Greenbone AG");
script_family("Huawei EulerOS Local Security Checks");
script_dependencies("gb_huawei_euleros_consolidation.nasl");
script_mandatory_keys("ssh/login/euleros", "ssh/login/rpms", re:"ssh/login/release=EULEROSVIRT\-3\.0\.2\.6");
script_xref(name:"Advisory-ID", value:"EulerOS-SA-2023-1080");
script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2023-1080");
script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'nss' package(s) announced via the EulerOS-SA-2023-1080 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"A remote code execution flaw was found in the way NSS verifies certificates. This flaw allows an attacker posing as an SSL/TLS server to trigger this issue in a client application compiled with NSS when it tries to initiate an SSL/TLS connection. Similarly, a server application compiled with NSS, which processes client certificates, can receive a malicious certificate via a client, triggering the flaw. The highest threat to this vulnerability is confidentiality, integrity, as well as system availability.(CVE-2021-43527)");
script_tag(name:"affected", value:"'nss' package(s) on Huawei EulerOS Virtualization 3.0.2.6.");
script_tag(name:"solution", value:"Please install the updated package(s).");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"package");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-rpm.inc");
release = rpm_get_ssh_release();
if(!release)
exit(0);
res = "";
report = "";
if(release == "EULEROSVIRT-3.0.2.6") {
if(!isnull(res = isrpmvuln(pkg:"nss", rpm:"nss~3.36.0~8.h8.eulerosv2r7", rls:"EULEROSVIRT-3.0.2.6"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"nss-sysinit", rpm:"nss-sysinit~3.36.0~8.h8.eulerosv2r7", rls:"EULEROSVIRT-3.0.2.6"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"nss-tools", rpm:"nss-tools~3.36.0~8.h8.eulerosv2r7", rls:"EULEROSVIRT-3.0.2.6"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
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
AI Score
Confidence
High
EPSS
Percentile
81.4%