CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
82.5%
The remote host is missing an update for the Huawei EulerOS
# SPDX-FileCopyrightText: 2021 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("1.3.6.1.4.1.25623.1.1.2.2021.2466");
script_cve_id("CVE-2021-36222");
script_tag(name:"creation_date", value:"2021-09-24 02:24:28 +0000 (Fri, 24 Sep 2021)");
script_version("2024-02-05T14:36:56+0000");
script_tag(name:"last_modification", value:"2024-02-05 14:36:56 +0000 (Mon, 05 Feb 2024)");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-08-02 19:14:23 +0000 (Mon, 02 Aug 2021)");
script_name("Huawei EulerOS: Security Advisory for krb5 (EulerOS-SA-2021-2466)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 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=EULEROS\-2\.0SP8");
script_xref(name:"Advisory-ID", value:"EulerOS-SA-2021-2466");
script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2021-2466");
script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'krb5' package(s) announced via the EulerOS-SA-2021-2466 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"In MIT krb5 releases 1.16 and later, an unauthenticated attacker can cause a null dereference in the KDC by sending a request containing a PA-ENCRYPTED-CHALLENGE padata element without using FAST.(CVE-2021-36222)");
script_tag(name:"affected", value:"'krb5' package(s) on Huawei EulerOS V2.0SP8.");
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 == "EULEROS-2.0SP8") {
if(!isnull(res = isrpmvuln(pkg:"krb5-devel", rpm:"krb5-devel~1.16.1~21.h6.eulerosv2r8", rls:"EULEROS-2.0SP8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-libs", rpm:"krb5-libs~1.16.1~21.h6.eulerosv2r8", rls:"EULEROS-2.0SP8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-pkinit", rpm:"krb5-pkinit~1.16.1~21.h6.eulerosv2r8", rls:"EULEROS-2.0SP8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-server", rpm:"krb5-server~1.16.1~21.h6.eulerosv2r8", rls:"EULEROS-2.0SP8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-server-ldap", rpm:"krb5-server-ldap~1.16.1~21.h6.eulerosv2r8", rls:"EULEROS-2.0SP8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"krb5-workstation", rpm:"krb5-workstation~1.16.1~21.h6.eulerosv2r8", rls:"EULEROS-2.0SP8"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"libkadm5", rpm:"libkadm5~1.16.1~21.h6.eulerosv2r8", rls:"EULEROS-2.0SP8"))) {
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
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
82.5%